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Developer
Small developer utilities for encoding, formatting and IDs.
Format JSON
Format and validate JSON for debugging, APIs and config files.
Developer
Base64 Encode
Encode text into Base64 for headers, config and developer workflows.
Developer
Base64 Decode
Decode Base64 text back into readable content.
Developer
UUID
Generate UUID v4 identifiers locally in the browser.
Developer
Format XML
Format and validate XML for feeds, configs and integrations.
Developer
XML to JSON
Convert XML into readable JSON for APIs and data workflows.
Developer
JSON to XML
Convert JSON into XML for integrations, feeds and legacy systems.
Developer
CSV to JSON
Convert CSV rows into JSON arrays for APIs and scripts.
Developer
JSON to CSV
Convert JSON arrays into CSV for spreadsheets and exports.
Developer
Case Converter
Convert text into UPPERCASE, lowercase, Title Case, Sentence case, camelCase and snake_case at once.
Text
Hex / RGB
Convert colors between hex and RGB notation in either direction.
Developer
JWT Decoder
Decode a JWT header and payload and check its expiry, entirely in your browser.
Developer
Regex Tester
Test a regular expression against a string and see every match highlighted with its position.
Developer
Markdown to HTML
Convert Markdown into clean HTML markup for READMEs, docs and CMS content.
Text
Text Diff Checker
Compare two blocks of text and instantly see the exact words that were added, removed or left unchanged.
Text
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text, entirely in your browser.
Developer
HTML Entities
Encode text into HTML entities or decode HTML entities back into plain text, instantly.
Developer
Password Strength
Check how strong a password is and get specific suggestions to improve it, entirely offline.
Security
Timestamp
Convert a Unix timestamp to a readable date, or a date to a Unix timestamp, entirely in your browser.
Developer
Decimal ⇄ Binary
Convert decimal to binary or binary to decimal instantly, in either direction.
Developer
Decimal ⇄ Octal
Convert decimal to octal or octal to decimal instantly, in either direction.
Developer
Decimal ⇄ Hex
Convert decimal to hexadecimal or hexadecimal to decimal instantly, in either direction.
Developer
Binary ⇄ Hex
Convert binary to hexadecimal or hexadecimal to binary instantly, in either direction.
Developer
Contrast Checker
Check the WCAG contrast ratio between a text color and a background color, entirely in your browser.
Developer
Morse Code
Translate text to Morse code, or Morse code back to text, entirely in your browser.
Text
JSON Diff
Compare two JSON documents and instantly see which keys were added, removed or changed.
Developer
Cron Explainer
Turn a 5-field cron expression into a plain-English schedule, with the next upcoming run times.
Developer
Meta Tags
Generate SEO, Open Graph and Twitter Card meta tags for a page, ready to paste into your <head>.
Web
HTML Formatter
Beautify or minify an HTML snippet, both at once, entirely in your browser.
Developer
CSS Formatter
Beautify or minify a CSS stylesheet, both at once, entirely in your browser.
Developer