Format code diffs
HEX/RGB/HSL.
Compress CSS.
Convert CSV.
Minify HTML.
Convert HTML into clean, configurable Markdown with live preview, GFM tables/task lists, HTML validation, and stats — entirely in your browser.
Parse, validate, and analyze IPv4 and IPv6 addresses — CIDR calculator, classification, conversions, batch mode, all local to your browser.
Minify, beautify, and validate JavaScript with compression stats, code analysis, and an optimization report — all local to your browser.
Format, minify, validate, and explore JSON with a collapsible tree view, colorized syntax, and detailed stats — all local to your browser.
Convert JSON files and JSON data into CSV format instantly with this free client-side converter. Secure, fast, and works directly in your browser.
Convert JSON data into YAML format instantly with this free client-side converter. Secure, fast, and works directly in your browser.
Validate and format JSON data instantly with this free client-side JSON validator tool. Check JSON syntax, detect errors, and beautify JSON directly in your browser.
Decode JSON Web Tokens (JWT) instantly with this free client-side JWT decoder. View the header, payload, signature, and token claims securely in your browser.
Generate customizable Lorem Ipsum paragraphs, sentences, words, and lists with live stats, presets, HTML/Markdown export, and generation history — all local to your browser.
Convert Markdown into clean, standards-compliant HTML with live preview, syntax highlighting, GFM extensions, and export options — all local to your browser.
Test, debug, and validate regular expressions with live highlighting, capture groups, replace preview, pattern analysis, and a preset builder — all local to your browser.
Convert Unix timestamps to human-readable dates and back, across any time zone — with batch conversion, world clocks, time difference math, custom formats, and a timestamp generator, all local to your browser.
Parse, validate, and analyze URLs — component breakdown, query string editor, security and phishing checks, normalization, comparison, and batch parsing, all local to your browser.
Generate UUIDs in every version (v1 through v8, Nil and Max) with bulk generation, validation, timestamp extraction, randomness analysis, and code snippets — all local to your browser.
Beautify XML.
Convert YAML.
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