Dev tools at the speed of thought.
Lightning-fast utilities for JSON, Base64, JWT, regex, hashes and more. Every tool runs in your browser — your data never leaves your device.
All tools
Pick a tool below, paste your input, and you're done.
JSON Formatter
Format, validate, minify and inspect JSON instantly in your browser.
Open toolBase64 Encode/Decode
Encode or decode Base64 text and files with auto-detection.
Open toolURL Encoder/Decoder
Encode, decode and parse URLs with a built-in query parameter editor.
Open toolUUID Generator
Generate UUID v4 / v7 / GUIDs in bulk with one click.
Open toolRegex Tester
Test and debug regular expressions with real-time match highlighting.
Open toolJWT Decoder
Decode and inspect JWTs — header, payload, claims and expiry.
Open toolUnix Timestamp Converter
Convert between Unix epoch timestamps and human-readable dates.
Open toolHash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text or files.
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Private by default
All tools execute in your browser via JavaScript. We never see your data — no uploads, no logging.
Instant feedback
Auto-process on paste, keyboard shortcuts, copy-to-clipboard. Built for speed and flow.
No sign-up, no limits
Just open the page and use it. No accounts, no quotas, no nags. Free forever.