Trexmi
Tool directory ONLINE

Popular Tools

Frequently chosen utilities for everyday text, code, data, and digital work.

35 toolsready to launch
Encode Decode PEM Formatter Format PEM certificates and keys, validate matching boundary labels, and wrap Base64 content into standard 64-character lines. Launch tool Network URL Parser Split an absolute URL into scheme, host, port, user information, path, query parameters, and fragment. Launch tool 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. Launch tool Validator OpenAPI Validator Validate the required structure of OpenAPI 3.0 and 3.1 documents supplied as JSON or YAML. Launch tool Developer Regex Extractor Extract all regex matches and capture groups from text. Launch tool 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. Launch tool Developer XML Formatter Format and pretty-print XML online with two-space indentation. Invalid XML is rejected with the line and column of the first error. Launch tool Developer Content-Type Parser Split a Content-Type header into media type, subtype, charset, boundary and other parameters. Accepts the full header line or just the value. Launch tool 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. Launch tool Network CNAME Lookup Check DNS CNAME records for a hostname, including its canonical target, alias relationship, and TTL for CDN, SaaS, hosting, and DNS troubleshooting. Launch tool Network SSL Certificate Checker Inspect a public website TLS certificate, validity period, issuer, subject, SAN hostnames, fingerprint, and trust verification. Launch tool 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. Launch tool Developer Regex Tester PRO Test regular expressions with detailed matches, named groups, offsets, line and column positions, execution timing, and highlighted previews. Launch tool Developer Regex Replace Replace regex matches with text or capture-group references. Launch tool Generator JSON Schema Generator Generate JSON Schema from sample JSON with selectable Draft 4, 6, 7, 2019-09 or 2020-12, nested type inference, required fields, and format detection. Launch tool Encode Decode Base64 Decoder Decode standard Base64 online to UTF-8 text or inspect decoded binary bytes as hexadecimal. Launch tool Encode Decode Certificate Decoder Decode one X.509 PEM certificate and inspect subject, issuer, validity, SAN entries, fingerprints, serial number, signature, and key usage. Launch tool 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. Launch tool 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. Launch tool 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. Launch tool Validator CSV Validator Validate UTF-8 CSV structure, delimiter choice, quoting, header names and consistent column counts before import or conversion. Launch tool Developer HTML Beautifier Indent minified or messy HTML so the nesting is easy to read. Every tag and text run goes on its own line, indented by depth. Launch tool 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. Launch tool 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. Launch tool Validator JSON Validator Validate JSON syntax online and inspect the document root type, nesting depth, node count, object keys, arrays, objects and scalar values. Launch tool Developer JSON Minifier Minify valid JSON into compact single-line output by removing unnecessary whitespace while preserving keys, values, arrays, and objects. Launch tool 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. Launch tool 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. Launch tool Encode Decode Base64 Encoder Encode UTF-8 text to standard Base64 online with optional 64- or 76-character line wrapping and canonical padding. Launch tool Encode Decode URL Decoder Decode valid percent-encoded UTF-8 text while preserving literal plus signs for accurate URL-component inspection. Launch tool Encode Decode URL Encoder Percent-encode UTF-8 text for use as one URL component while preserving JavaScript encodeURIComponent-safe characters. Launch tool Text Word Counter Count words, characters, sentences, paragraphs and lines in any text, with an estimated reading time. Works with Unicode text. Launch tool Text Unique Word Finder List every distinct word in a text once, in first-seen order, with a total count. Case-insensitive and Unicode-aware. Launch tool Text Alternating Case Converter Convert ordinary text into alternating uppercase and lowercase letters while preserving spaces, punctuation, numbers, and line breaks. Launch tool Text Remove Numbers Remove numeric digits from text while keeping letters, punctuation, spacing, and line order available for review. Launch tool
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.