Developer Tools That Just Work
Fast, ad-free, browser-only tools built for developers who value their time. No accounts, no servers, no nonsense.
JSON Formatter
Format, validate, and minify JSON instantly with syntax highlighting and error detection.
Cron Parser
Decode any cron expression into plain English. See the next 5 run times, use the visual builder, and switch timezones.
JWT Decoder & Encoder
Decode JWT tokens instantly — view header, payload, signature. Encode new tokens with HMAC signing.
Regex Tester
Test regular expressions with live match highlighting, capture group visualization, and replace mode.
Text Diff
Compare two blocks of text side-by-side and see exactly what changed, line by line.
URL Encoder / Decoder
Encode special characters for safe URLs or decode percent-encoded strings instantly.
Base64 Tool
Encode and decode text or files to/from Base64. Supports binary file uploads.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back. Shows local, UTC, and relative time.
UUID Generator
Generate cryptographically secure UUIDs instantly. UUID v4, v1, v7 — bulk export, custom formats, keyboard shortcuts.
Text Curator
Format, clean, and process text instantly. Convert case, remove duplicates, extract URLs, and chain transformations.
Random Number
Generate lists of random numbers across multiple statistical distributions with instant visual histograms.
Instant Processing
Everything happens in your browser as you type. Zero latency, zero server round-trips.
Private by Design
Your data never leaves your device. No logging, no analytics on your input.
Zero Clutter
No ads, no pop-ups, no cookie banners. Just the tool you came for.