For Developers
Format JSON, test regex, decode JWTs, and work with timestamps.
JSON Formatter & Minifier
JSON formatter online: beautify, minify, and validate JSON in your browser. Tree view included — no signup. JSON stays on your device.
Code Formatter & Beautifier
Online code formatter and beautifier. Format JavaScript, TypeScript, JSON, HTML, and CSS in your browser. Copy or download the result — nothing is uploaded.
Regex Tester
Online Regex Tester and Debugger. Test JavaScript regular expressions, inspect matches and capture groups, test replacement patterns, and validate regex patterns instantly — private in your browser.
JWT Decoder & Inspector
Online JWT decoder and inspector. Decode JWT header, payload, and claims in your browser — timestamps, expiry status, and structure. Decoding is not signature verification.
Hash Generator
Online hash generator. MD5, SHA-256, HMAC, and bcrypt hash or compare in your browser from UTF-8 text or a small file. Nothing is uploaded.
Base64 Encoder & Decoder
Online Base64 encoder and decoder. Encode or decode UTF-8 text in your browser, including Hindi, emoji, and other Unicode. Supports standard Base64 and Base64URL. Copy or download the result — nothing is uploaded.
Image to Base64 Converter
Image to Base64 converter. Encode PNG, JPEG, WebP, GIF, BMP, or SVG to a data URI, or decode Base64 back to an image in your browser — nothing is uploaded.
Unix Timestamp Converter
Epoch converter: Unix timestamp to date (and back). Seconds or milliseconds, local and UTC. Runs in your browser — nothing is uploaded.
UUID Generator
Online UUID generator and validator. Create secure UUID v4 or time-ordered UUID v7 values in your browser — batch generate, copy, download, and check a pasted UUID. Nothing is uploaded.
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