Tool directory ONLINE

All Online Tools

Search, filter, and launch focused online tools without installing extra software.

Calculator AI Token Cost Calculator Calculate estimated LLM input and output cost for one request or a batch using editable prices per million tokens and manual or text-estimated usage. Developer AI Token Counter Estimate AI prompt tokens with a transparent English, code, or multilingual heuristic, including a planning range, characters, UTF-8 bytes, words, and detected content profile. Generator API Key Generator Generate secure API keys with configurable length, prefix, quantity, and URL-safe, hexadecimal, Base32, or alphanumeric formats. Text Alternating Case Converter Convert ordinary text into alternating uppercase and lowercase letters while preserving spaces, punctuation, numbers, and line breaks. Seo Article Schema Generator Generate Article JSON-LD with headline, author, publisher, dates, image, and canonical URL. Generator BCrypt Hash Generator Generate a salted 60-character BCrypt password hash, choose cost 4–15, inspect its parts, measure runtime, and verify it immediately. Validator BCrypt Verify Verify a plain-text password against a BCrypt hash safely, understand match results, and troubleshoot invalid hash formats without attempting to decode the hash. Encode Decode Base64 Decoder Decode standard Base64 online to UTF-8 text or inspect decoded binary bytes as hexadecimal. Encode Decode Base64 Encoder Encode UTF-8 text to standard Base64 online with optional 64- or 76-character line wrapping and canonical padding. Converter Base64URL Decoder Decode padded or unpadded Base64URL data back to readable UTF-8 text. Converter Base64URL Encoder Encode UTF-8 text with the URL-safe Base64 alphabet and optional padding. Generator Basic Auth Header Generator Basic Auth Header Generator creates an HTTP Authorization header by Base64-encoding a username and password for controlled API and server testing. Seo Breadcrumb Schema Generator Generate BreadcrumbList JSON-LD from names and canonical URLs. Network CNAME Lookup CNAME Lookup checks whether a hostname is an alias, shows its canonical target and TTL, and helps diagnose DNS redirects between hostnames. Generator CORS Header Generator Generate validated CORS response headers for one origin, methods, request headers, exposed response headers, credentials, and preflight caching. Generator CRC32 Generator Generate CRC32 checksums from exact text in hexadecimal and decimal formats for compatibility checks, fixtures, archives, and data-transfer testing. Generator CSP Policy Builder Build a Content-Security-Policy header with presets, source directives, Report-Only mode, security warnings, and copy-ready HTTP, nginx, Apache and meta-tag output. Developer CSS Beautifier Use CSS Beautifier to format compressed or inconsistent CSS online with readable indentation, line breaks, declarations, selectors, comments, and nested blocks. Developer CSS Minifier Minify CSS by removing unnecessary spaces and comments for smaller stylesheets, cleaner delivery, and deployment workflows Table CSV Formatter Normalize CSV rows, delimiters, quoting, whitespace, and column structure into consistent downloadable output. Table CSV Merger Combine compatible CSV datasets into one file while checking headers, delimiters, and record structure. Table CSV Splitter Split a large CSV dataset into smaller files by row count while preserving the header and record structure. Validator CSV Validator Validate UTF-8 CSV structure, delimiter choice, quoting, header names and consistent column counts before import or conversion. Table CSV Viewer Open CSV data in a clear table, inspect rows and columns, and review structured records before using them elsewhere. Developer CSV to JSON Convert UTF-8 CSV, TSV, semicolon or pipe-delimited rows to a formatted JSON array with header controls, delimiter detection and empty-value handling. Seo Canonical URL Checker Check a canonical URL for syntax, protocol, fragments, query parameters, normalization issues, and page alignment. Text Case Converter Convert text to camelCase, PascalCase, snake_case and more. Encode Decode Certificate Decoder Decode one X.509 PEM certificate and inspect subject, issuer, validity, SAN entries, fingerprints, serial number, signature, and key usage. Text Character Counter Measure characters with and without spaces, plus words and lines, for social posts, forms, metadata, and editing Encode Decode Checksum Calculator Calculate CRC32, MD5, SHA-1, SHA-256, SHA-384, or SHA-512 checksums from exact text and compare deterministic outputs across systems. Text Collapse Spaces Collapse repeated horizontal spaces into one space while preserving line breaks, paragraph structure, and the order of your text. Text Comma List to Lines Convert comma-separated values into one trimmed item per line, omit empty entries, and prepare a clean vertical list for spreadsheets or imports. Developer Content-Type Parser Parse a Content-Type header into its media type, charset, boundary, and other parameters. Developer Cookie Parser Parse a Cookie request header into readable cookie names and values. Generator Cron Expression Builder Build and validate five-field cron expressions with presets and human-readable explanations. Generator Cron Expression Generator Generate standard five-field cron expressions for hourly, daily, weekday, weekly, monthly, or custom schedules. Developer Cron Expression Parser Split a standard five-field cron expression into minute, hour, day-of-month, month, and weekday explanations. Network DNS Lookup Look up DNS records for a domain, including A, AAAA, MX, TXT, NS, CNAME, SOA, and CAA records. Converter Data URL Decoder Decode a data URL and inspect its media type, encoding, parameters, and text payload. Converter Data URL Encoder Encode text as a standards-friendly data URL with a selected media type and encoding mode. Text Duplicate Paragraph Remover Remove repeated paragraphs while preserving order. Text Email Extractor Find email addresses in authorized pasted text, remove repeated matches, and return a clean copyable list in first-seen order. Text Emoji Remover Remove emoji symbols and related joiner characters from text while preserving surrounding words, punctuation, spacing, and line structure. Seo FAQ Schema Generator Generate FAQPage JSON-LD from visible questions and answers. Text Find and Replace Replace every exact occurrence of a chosen text value while keeping the source available for comparison. Developer GraphQL Formatter GraphQL Formatter turns compressed GraphQL queries, mutations, fragments, and variables into readable structured output for faster review, debugging, and team collaboration. Developer GraphQL Minifier GraphQL Minifier removes unnecessary whitespace and comments from GraphQL queries while preserving operations, fragments, variables, directives, and string values. Generator HMAC Generator Generate keyed HMAC digests from a message and secret using SHA-256, SHA-384, or SHA-512, with clear hexadecimal output for testing integrations. Developer HTML Beautifier Format compact or inconsistent HTML with readable indentation, line breaks, nested elements, comments, and document structure. Encode Decode HTML Decoder Decode HTML entities into readable characters for content cleanup, debugging, migration, and template review Encode Decode HTML Encoder Encode reserved HTML characters into entities for safe display in examples, documentation, templates, and web content Developer HTML Minifier Minify HTML by removing unnecessary whitespace and comments for smaller markup, faster transfer, and deployment preparation Developer HTML Tag Remover Remove HTML tags from markup while keeping readable text for cleanup, migration, extraction, and content preparation Developer HTTP Authorization Header Parser Inspect HTTP Authorization headers and identify Bearer, Basic, and other authentication schemes. Generator HTTP Header Builder Build validated HTTP request and response header blocks for APIs, security, caching, CORS, and content negotiation. Network HTTP Header Checker Inspect HTTP response headers, caching, content metadata, CORS, and common security headers for a public URL. Generator HTTP Request Builder Build a complete HTTP request and matching cURL command from structured fields. Network HTTP Status Checker Check the live HTTP status of a public URL, follow redirects, and review the final response and request path. Network HTTP Status Code Lookup Look up common HTTP response codes and use detailed guides for 301, 302, 401, 403, 404, 429, 500, 502, and 503 errors. Generator Hash Generator Use this free Hash Generator to create MD5, SHA-1, SHA-256, and SHA-512 hashes from text, verify exact input, and copy results online. Text Hashtag Extractor Extract unique hashtags from captions, notes, and campaign text in their original first-seen order. Seo Hreflang Generator Generate a reciprocal hreflang cluster as HTML link tags and a complete same-site XML sitemap, with normalized locales and optional x-default. Network IP Address Lookup Inspect a public IPv4 or IPv6 address, reverse hostname, address version, canonical form, and forward-confirmed DNS context. Converter ISO 8601 Date Converter Convert ISO 8601 timestamps between UTC, Unix time, and readable date formats. Compare JSON Compare Compare two JSON documents online, validate their syntax, normalize formatting, and highlight added, removed, changed, and unchanged lines. Compare JSON Diff Viewer Compare two JSON documents online, validate their syntax, normalize formatting, and inspect added, removed, or changed values in a clear diff. Encode Decode JSON Escape Escape quotes, backslashes, line breaks, tabs and Unicode-safe text for use inside JSON string values, API payloads and configuration files. Converter JSON Flatten Flatten nested JSON objects and arrays into reversible $-rooted path-value pairs while preserving empty objects, empty arrays, scalar types, and array indexes. Developer JSON Formatter Format, beautify or minify JSON online with 2-space, 4-space or tab indentation, optional recursive key sorting, validation, and copy-ready output. Developer JSON Lines Formatter Validate and normalize JSON Lines or JSONL data as one compact JSON value per line, with strict blank-record detection and an optional final newline. Converter JSON Merge Merge 2 JSON documents online with recursive object merging, selectable conflict priority and replace, append or unique array strategies. Developer JSON Minifier Minify formatted JSON into a compact single-line representation for APIs, storage, testing, and data transfer. Developer JSON Path Finder Find JSONPath-style locations for matching keys or values inside deeply nested JSON without manually tracing the structure. Developer JSON Pointer Tester Resolve an RFC 6901 JSON Pointer against an object or array, including escaped slash and tilde characters, and inspect the selected value. Generator JSON Schema Generator Generate a JSON Schema from sample JSON online. Choose Draft 4, 6, 7, 2019-09 or 2020-12, infer nested types and detect common string formats. Validator JSON Schema Validator Validate JSON data against a practical JSON Schema subset and receive errors with exact data paths for types, required fields, arrays, strings and numbers. Developer JSON Sorter Use this free JSON Sorter to alphabetize object keys recursively while preserving values, nested structures, and array order online. Encode Decode JSON Unescape Decode JSON escape sequences such as escaped quotes, backslashes, newlines, tabs and Unicode sequences into readable text. Converter JSON Unflatten Rebuild nested JSON objects and arrays from a reversible $-rooted flat path map with collision checks, escaped property names, and strict contiguous array indexes. Validator JSON Validator Validate JSON syntax online and inspect the document root type, nesting depth, node count, object keys, arrays, objects and scalar values. Developer JSON Viewer View JSON online as a readable tree, pretty-printed document, or flattened JSON path list with value types and depth controls. Converter JSON to C# Class Convert representative JSON into reviewable C# output with type inference, nested models, arrays, and practical generation settings. Converter JSON to CSV Convert a non-empty JSON array of objects to CSV with selectable delimiter, header and line-ending options, nested JSON serialization and spreadsheet formula protection. Converter JSON to Dart Class Convert representative JSON into reviewable Dart output with type inference, nested models, arrays, and practical generation settings. Converter JSON to Go Struct Convert representative JSON into reviewable Go output with type inference, nested models, arrays, and practical generation settings. Converter JSON to Java Class Convert representative JSON into reviewable Java output with type inference, nested models, arrays, and practical generation settings. Converter JSON to Kotlin Data Class Convert representative JSON into reviewable Kotlin output with type inference, nested models, arrays, and practical generation settings. Converter JSON to OpenAI Function Schema Convert representative JSON arguments into an OpenAI function tool definition for the Responses API or Chat Completions. Converter JSON to PHP DTO Convert representative JSON into reviewable PHP output with type inference, nested models, arrays, and practical generation settings. Converter JSON to Pydantic Model Generate Pydantic v2 BaseModel classes from JSON with nested models, Python type hints, nullable options, and Field aliases for JSON keys. Converter JSON to Rust Struct Convert representative JSON into reviewable Rust/Serde output with type inference, nested models, arrays, and practical generation settings. Converter JSON to SQL CREATE TABLE Convert representative JSON into reviewable SQL output with type inference, nested models, arrays, and practical generation settings. Converter JSON to Swift Codable Convert representative JSON into reviewable Swift output with type inference, nested models, arrays, and practical generation settings. Converter JSON to TOML Convert JSON objects into readable TOML configuration. Converter JSON to TOON Converter JSON to TOON Converter transforms JSON into compact TOON v4.1 syntax using indentation-based objects, explicit array lengths, and tabular rows for uniform object arrays. Converter JSON to TypeScript Generate a TypeScript interface from representative JSON objects, arrays and primitive values, with a configurable root interface name. Converter JSON to XML Converter JSON to XML Converter transforms JSON objects and arrays into structured XML for integration, migration, and testing workflows. Converter JSON to YAML Convert valid JSON objects, arrays and scalar values to readable YAML while preserving nesting, strings, numbers, booleans, null and Unicode text. Converter JSON to Zod Schema Convert representative JSON into a Zod schema with nested objects, arrays, primitive types, null values, and optional strict object handling. Security JWT Claims Inspector Inspect standard JWT claims such as issuer, audience, subject, issued-at, not-before, and expiration. Encode Decode JWT Decoder Decode JWT header and payload online, inspect alg/type and time claims, and see expiration status without pretending to verify the signature. Security JWT Expiration Checker Check JWT exp, nbf, and iat claims and see whether a token is active, expired, or not active yet. Generator JWT Generator Create signed HS256 JSON Web Tokens. Developer JavaScript Beautifier Use JavaScript Beautifier to format compact JavaScript online with readable indentation, braces, statements, operators, comments, strings, and template literals. Developer JavaScript Minifier Use JavaScript Minifier to remove comments and unnecessary whitespace from JavaScript online while preserving strings, template literals, identifiers, and operators. Seo Keyword Density Checker Analyze keyword frequency, density, top terms, and phrase usage in page copy. Text Line Counter Count total, non-empty, and blank lines in text, code, lists, logs, and documents with a clear browser workflow Text Lines to Comma List Join non-empty trimmed lines into one comma-separated list while preserving the original item order. Seo Local Business Schema Generator Generate LocalBusiness JSON-LD with address, contact, opening hours, price range, and coordinates. Text Lowercase Converter Convert cased letters to lowercase while preserving punctuation, spaces, and line breaks. Validator MCP Schema Validator Validate the core structure of one MCP tool definition, including its name, description, inputSchema, required fields, outputSchema, and annotations. Generator MCP Tool Schema Generator Generate a minimal MCP tool definition and Draft 2020-12 inputSchema from a tool name, description, and representative JSON arguments. Generator MD5 Generator Use this free MD5 Generator to generate a MD5 hash from exact text, verify whitespace and encoding, and copy a clean hexadecimal digest online. Network MX Lookup MX Lookup checks a domain’s mail exchanger records, priorities, TTL values, and receiving mail servers so you can verify email DNS routing. Text Markdown Preview Render common Markdown syntax as safe HTML so structure and formatting can be reviewed before publishing. Converter Markdown to HTML Convert common Markdown syntax into HTML for previews, documentation, articles, notes, and lightweight publishing workflows. Text Mention Extractor Extract unique @mentions from authorized text and preserve the order in which accounts first appear. Seo Meta Length Checker Check SEO title and meta description lengths with practical search snippet guidance. Seo Meta Tags Generator Generate essential HTML meta tags for search, sharing, indexing, and canonical URLs. Network NS Lookup NS Lookup checks the authoritative nameserver records published for a domain so you can verify DNS delegation, hostnames, and TTL values. Text Number Extractor Extract signed integers and decimal values from mixed text while preserving their original order. Seo Open Graph Generator Generate Open Graph meta tags for rich social media previews. Generator OpenAPI Generator Generate an OpenAPI 3.1 document from endpoint settings and JSON request or response samples. Validator OpenAPI Validator Validate the required structure of OpenAPI 3.0 and 3.1 documents supplied as JSON or YAML. Seo Organization Schema Generator Generate Organization JSON-LD with identity, logo, contact and social profiles. Encode Decode PEM Formatter Format PEM certificates and keys, validate matching boundary labels, and wrap Base64 content into standard 64-character lines. Text Paragraph Counter Count non-empty text paragraphs separated by one or more blank lines. Generator Password Generator Advanced Generate 1–100 secure random passwords with 8–256 characters, selectable character sets, similar-character removal, and custom exclusions. Validator Password Strength Checker Check password strength using length, character variety, repetition, sequences, and common-pattern signals while keeping the result easy to understand. Text Phone Number Extractor Extract likely phone numbers from mixed text while preserving their original appearance and order. Network Ping Test Send ICMP echo requests to a public hostname or IP address and review packet loss and round-trip timing. Network Port Checker Test whether a TCP port on a public hostname or IP address accepts a connection and review connection timing and resolved destination. Text Prefix Lines Add the same prefix to every following line while preserving line order and line breaks. Seo Product Schema Generator Generate Product and Offer JSON-LD for visible product details. Network Query String Parser Parse a complete URL or raw query string into structured, readable JSON without changing the original input. Text Quote Lines Wrap every source line in quotation marks while preserving line order and line breaks. Generator RSA Key Generator Generate RSA public and private key pairs in PEM format with selectable key sizes and optional passphrase protection. Generator Random Password Generator Generate strong random passwords with a chosen length for accounts, test data, temporary credentials, and security-focused workflows. Calculator Reading Time Calculator Estimate how long a text takes to read from its word count using a clear words-per-minute model. Seo Redirect Chain Checker Trace HTTP redirects, inspect status codes, detect loops, and identify unnecessary redirect hops. Generator Regex Builder Build practical regular expressions from common matching requirements. Developer Regex Extractor Extract all regex matches and capture groups from text. Developer Regex Match Highlighter Highlight every regex match directly inside source text so patterns can be reviewed visually before they are reused. Developer Regex Replace Replace regex matches with text or capture-group references. Developer Regex Splitter Split text with a regular expression and return clean copyable segments without manually editing repeated delimiters. Developer Regex Tester PRO Test regular expressions with detailed matches, named groups, offsets, line and column positions, execution timing, and highlighted previews. Text Remove All Spaces Remove every whitespace character, including spaces, tabs, and line breaks, to create one uninterrupted string. Text Remove Duplicate Lines Keep the first occurrence of each exact line, remove later duplicates, and preserve the original line order. Text Remove Duplicate Words Remove repeated words case-insensitively while keeping each first spelling and the original first-seen order. Text Remove Empty Lines Delete blank and whitespace-only lines while preserving every populated line in its original order. Text Remove Line Numbers Remove leading line numbers from text while preserving the remaining line content and order. Text Remove Numbers Remove numeric digits from text while keeping letters, punctuation, spacing, and line order available for review. Text Remove Punctuation Remove punctuation characters from text while preserving words, numbers, spaces, and line order for review. Text Remove Tabs Remove tab characters from text while keeping the remaining content and line structure visible for comparison. Text Remove Word Remove word with a focused browser utility that targets the entered term while keeping the original source visible for careful comparison. Network Reverse DNS Lookup Look up the PTR hostname for a public IPv4 or IPv6 address and verify whether the hostname resolves back to the same address. Text Reverse Lines Reverse lines with a focused browser tool that changes only the order of complete lines while keeping every word, number, symbol, and punctuation mark inside each line unchanged. Text Reverse Text Reverse text with a browser utility that returns characters in the opposite order while keeping the original source visible for direct comparison. Text Reverse Words Reverse words with a focused tool that changes the order of word tokens while keeping the characters inside each individual word readable. Seo Robots.txt Generator Build a valid robots.txt file with user-agent, allow, disallow, crawl delay, and sitemap rules. Seo Robots.txt Tester & Validator Validate robots.txt syntax, inspect crawler directives, and test whether a URL is allowed for a selected user-agent. Seo SERP Snippet Preview Preview a Google-style search result and check title and description lengths. Generator SHA1 Generator Use this free SHA1 Generator to generate a SHA-1 hash from exact text, verify whitespace and encoding, and copy a clean hexadecimal digest online. Generator SHA256 File Checksum Generator Calculate a SHA-256 checksum for any local file or exact text, then compare it with a published 64-character digest without uploading the file. Generator SHA512 Generator & SHA256 Comparison Generate a 128-character SHA-512 digest for long text or hexadecimal key material and compare it with SHA-256 calculated from the same bytes. Developer SQL Beautifier Format SQL queries with readable clauses, indentation, line breaks, joins, conditions, grouping, and ordering. Developer SQL Formatter Format SQL statements with clearer indentation and line breaks for review, debugging, documentation, and database development. Developer SQL Minifier Compress SQL queries by removing comments and unnecessary whitespace while keeping statements easy to copy and deploy. Generator SSH Key Generator Generate an RSA SSH public and private key pair with selectable strength, OpenSSH public-key output, and a SHA-256 fingerprint. Network SSL Certificate Checker Inspect a public website TLS certificate, validity period, issuer, subject, SAN hostnames, fingerprint, and trust verification. Seo Schema Markup Generator Generate validated JSON-LD structured data for common SEO schema types. Generator Secure Random Generator Generate cryptographically secure random bytes, strings, URL-safe values, and integers for development and security workflows. Text Sentence Case Converter This sentence case converter changes irregular capitalization into a sentence-style pattern while keeping the original text available for comparison. Text Sentence Counter Use this sentence counter to estimate the number of sentence units in articles, essays, notes, product descriptions, and other text. Developer Set-Cookie Parser Parse a Set-Cookie response header into its cookie value, scope, expiry, and security attributes. Text Shuffle Lines Shuffle lines into a random order while keeping every line available for review in a separate result. Seo Sitemap Validator Validate XML sitemap syntax, structure, URLs, duplicates, namespaces, and optional metadata. Text Slug Generator Slug Generator creates a clean, lowercase, hyphenated URL slug from any title or phrase. Use this free online tool to review an SEO-friendly result before publishing or changing a permalink. Text Sort Lines Sort lines in ascending alphabetical or natural order while preserving the original source for comparison. Text Sort Lines Descending Sort lines from Z to A or from higher to lower natural values with a separate result for verification. Text Suffix Lines Add the same suffix to every line while keeping the original list visible for careful comparison. Generator System Prompt Builder System Prompt Builder turns one plain-language task into a structured, ready-to-copy system prompt with an automatically selected role, operating rules, safeguards, quality checks, and output requirements. Converter TOML to JSON Convert practical TOML configuration into formatted JSON. Converter TOON to JSON Converter TOON to JSON Converter decodes TOON v4.1 core syntax back into structured JSON with validation of indentation, array lengths, and tabular rows. Network TXT Record Lookup TXT Record Lookup retrieves published DNS text records and presents SPF, verification, policy, and other TXT values in a readable report. Text Tabs to Spaces Replace tab characters with a consistent number of spaces for code, plain text, logs, tables, and formatting cleanup Compare Text Diff Checker Compare two text versions line by line and identify additions, removals, and unchanged content. Text Text Repeater Repeat text a chosen number of times with predictable separators for testing, templates, sample data, and content preparation Text Text Statistics Measure words, characters, sentences, paragraphs, lines, and estimated reading time in one document overview. Converter Timestamp Converter Convert Unix seconds, milliseconds, microseconds and date-time text to UTC, ISO 8601 and selected timezones. Text Title Case Converter Convert headings and titles into consistent title case for articles, pages, product names, documents, and publishing workflows Generator Token Generator Generate secure session, CSRF, URL-safe, hexadecimal, and Base64 tokens from cryptographically secure random bytes. Network Traceroute Trace the network path to a public hostname or IP address and review each responding hop and latency. Text Trim Whitespace Remove unwanted spaces around every line without changing the meaningful text inside each line. Seo Twitter Card Generator Generate Twitter Card metadata for link previews on X and compatible platforms. Encode Decode URL Decoder Decode valid percent-encoded UTF-8 text while preserving literal plus signs for accurate URL-component inspection. Encode Decode URL Encoder Percent-encode UTF-8 text for use as one URL component while preserving JavaScript encodeURIComponent-safe characters. Text URL Extractor Extract web addresses from text, HTML, logs, exports, and documents for audits, migration, outreach, and review Network URL Parser Split an absolute URL into scheme, host, port, user information, path, query parameters, and fragment. Generator URL Query Builder URL Query Builder creates RFC 3986 encoded query strings and complete URLs from readable name and value pairs. Encode Decode UUID Decoder Decode a UUID into version, variant, hexadecimal fields, node data, clock sequence, and timestamp information when the version supports it. Generator UUID Generator Generate cryptographically secure UUID v4 or time-ordered UUID v7 identifiers online, one at a time or in bulk, with canonical, uppercase, brace and compact output formats. Validator UUID Validator Validate canonical UUID syntax, identify versions 1–8, recognize Nil and Max UUIDs, report the variant, and explain format failures. Text Unique Word Finder Find distinct words, repeated terms, and vocabulary patterns in text for editing, research, SEO, and content analysis Text Uppercase Converter Convert letters to uppercase instantly while preserving punctuation, numbers, spacing, and line order. Network WHOIS Lookup Query public WHOIS registry data for a domain and inspect registrar, dates, nameservers, statuses, and raw WHOIS output. Text Word Counter Count words, characters, sentences, and paragraphs in text for writing, editing, SEO, study, and content planning Text Word Frequency Counter Count how often every word appears, rank repeated terms, and inspect vocabulary balance in any pasted text. Text Words to Lines Place words or separated values on individual lines for lists, imports, cleanup, deduplication, and data preparation Compare XML Compare Compare two XML documents online, validate their structure, normalize indentation, and review changed elements, attributes, text nodes, and line positions. Encode Decode XML Escape / Unescape XML Escape / Unescape converts reserved XML characters to safe entity references or restores standard XML entities back to readable characters. Developer XML Formatter Format and indent XML for easier inspection, debugging, configuration review, data exchange, and development workflows Developer XML Minifier XML Minifier removes indentation, line breaks, and optional comments from valid XML to create a compact document while preserving the XML structure. Validator XML Validator Check whether XML is well-formed and locate syntax errors such as mismatched tags, invalid nesting, broken attributes and multiple root elements. Converter XML to CSV Convert repeated XML records into CSV rows for spreadsheets, imports, reporting, and data review. Converter XML to JSON Convert XML elements, attributes, text values, and repeated nodes into readable structured JSON online. Developer XPath Tester Evaluate XPath 1.0 expressions against XML and inspect matched nodes or typed string, number, and boolean results. Compare YAML Compare YAML Compare helps you compare two YAML documents, detect added, removed, changed, and type-mismatched values, and review differences with a clear online workflow. Developer YAML Formatter Format and indent YAML data. Validator YAML Validator Check a practical YAML subset for indentation, mappings, sequences, duplicate keys, quotes and scalar syntax, with explicit unsupported-feature errors. Converter YAML to JSON Convert YAML data to formatted JSON. Converter YAML to XML Converter YAML to XML Converter transforms YAML mappings, lists, and scalar values into structured XML for configuration and integration workflows. Generator cURL Builder Build secure cURL commands for HTTP requests with methods, headers, query parameters, authentication, and request bodies. Converter cURL to Fetch Convert one cURL HTTP request into reviewable JavaScript Fetch code with method, headers, inline body, redirect policy, timeout, and status handling. Converter cURL to Go net/http Convert one cURL HTTP request into complete Go net/http code with method, headers, inline body, redirect policy, client timeout, response close, and status checks. Converter cURL to PHP cURL Convert one cURL HTTP command into PHP cURL code with method, headers, inline body, redirects, millisecond timeout, execution errors, status checks, and cleanup. Converter cURL to Python Requests Convert one cURL HTTP request into Python Requests code with explicit method, headers, inline body, redirect behavior, timeout, and HTTP error handling.

Recommended next

Popular starting points

Cron Expression GeneratorPopular Cron Expression ParserPopular cURL to Go net/httpPopular cURL to PHP cURLPopular cURL to Python RequestsPopular cURL to FetchPopular

Fresh utilities

Recently updated

JSON FlattenUpdated JSON Path FinderUpdated JSON UnflattenUpdated JSON to Pydantic ModelUpdated AI Token Cost CalculatorUpdated AI Token CounterUpdated

Useful answers

Questions people ask before using the tools

Clear answers about access, limits, privacy, and choosing the right workflow.

Do I need to install anything to use Trexmi tools?

No installation is required. Open a tool in your browser, provide the requested input, and process the result directly on the page. This makes the tools practical on shared computers and mobile devices as well as on a regular desktop.

Can I use these tools without creating an account?

Most tools can be opened and tested without an account. Registration is useful when you need higher free limits, saved preferences, favorites, or account-based features. Trexmi PRO is intended for larger and more frequent workloads.

How do I find the right tool quickly?

Use the live filter above the tool grid. It searches tool names, descriptions, keywords, and categories immediately. You can then sort the visible results by recommendation, newest, alphabetical order, featured status, or popularity.

Are the tools suitable for professional work?

The tools are designed around focused, repeatable tasks rather than large complicated workflows. They are useful for content preparation, development, data cleanup, office work, quality checks, and other everyday operations where speed and predictable output matter.

What happens when a task is larger than the free limit?

Trexmi shows the relevant limit only when it affects the task. You can split the input into smaller runs, create a free account for higher allowances where available, or use PRO for larger supported inputs and more frequent usage.

Will more trexmi tools be added?

Yes. Trexmi is structured as an expanding tool platform. New utilities can be added to existing categories, while new categories appear automatically in the directory when they contain public tools.