Instant
No round-trips. Transforms run as you type.
Private
Your paste never leaves this tab.
Keyboard-first
⌘K search, clear shortcuts, dense IDE feel.
All tools
Encode / Decode
- Base64 Encode / DecodeFree online Base64 encoder and decoder with UTF-8 support. Runs entirely in your browser—nothing is uploaded.
- URL Encode / DecodeFree URL encode and decode tool for query strings and percent-encoding. Private, instant, browser-only.
- HTML Entity Encode / DecodeConvert special characters to HTML entities and back. Free, private, and runs in your browser.
- JWT DecoderFree online JWT decoder to inspect header and payload. Does not verify signatures. Fully client-side.
Format / Transform
- JSON Formatter & ValidatorFree online JSON formatter, validator, and minifier with clear errors. Pretty-print API responses in your browser.
- YAML ↔ JSON ConverterFree YAML to JSON and JSON to YAML converter with validation. Ideal for configs—processed locally.
- XML FormatterFree online XML beautifier and minifier. Format documents privately in your browser.
- SQL FormatterFree SQL formatter with PostgreSQL, MySQL, and SQLite dialects. Beautify queries in your browser.
- CSS Beautify / MinifyFree CSS beautify and minify tool. Format or compress stylesheets instantly in your browser.
- HTML Beautify / MinifyFree HTML beautifier and minifier. Pretty-print or compress markup locally.
- Markdown PreviewFree online Markdown preview with sanitized HTML. Write and preview side by side—nothing uploaded.
Text
- Text Case ConverterFree case converter for camelCase, PascalCase, snake_case, kebab-case, and more.
- Diff CheckerFree online text diff checker with line and word views. Compare snippets privately.
- Lorem Ipsum GeneratorFree lorem ipsum generator for words, sentences, or paragraphs. Instant placeholder copy.
- Word & Character CounterFree word and character counter with lines and byte size. Updates as you type.
- Regex TesterFree online regex tester with live matches and replace preview. JavaScript flavor, browser-only.
Time / IDs / Crypto
- Unix Timestamp ConverterFree Unix timestamp converter for epoch seconds/milliseconds to dates and back.
- Cron Expression ExplainerFree cron expression explainer with plain-English meaning and next run times.
- UUID GeneratorFree online UUID generator for v4 and v7, including bulk generation.
- Hash GeneratorFree hash generator for MD5, SHA-1, SHA-256, and SHA-512. Checksums computed locally.
- Number Base ConverterFree binary, octal, decimal, and hex converter for developers.
Visual / Misc
- Color ConverterFree HEX, RGB, and HSL color converter with live preview.
- QR Code GeneratorFree online QR code generator for text, URLs, Wi‑Fi, email, phone, and SMS. Download PNG or SVG—private and reliable.
- Image → Base64Free image to Base64 converter with drag and drop. Creates data URIs locally—nothing uploaded.
- Password GeneratorFree strong password generator with length and charset controls. Uses crypto.getRandomValues—never stored.