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Developer tools
that just work

Fast, free utilities for everyday dev tasks. Everything runs in your browser — nothing leaves your machine.

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// tools
01 · encoding↗
JSON Formatter
Format, validate and minify JSON. Syntax highlighting + error detection.
live
02 · encoding↗
Base64 Encoder
Encode and decode Base64 strings. File support, URL-safe mode.
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03 · encoding↗
URL Encoder
Encode, decode, and parse URLs. Supports component, full URL, and form modes.
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04 · testing↗
Regex Tester
Live match highlighting, capture groups, flags, and quick patterns.
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05 · security↗
JWT Decoder
Decode header, payload, inspect claims, check expiry, verify HMAC signatures.
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06 · generators↗
UUID Generator
Generate v1, v4, and v5 UUIDs instantly. Bulk generation supported.
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07 · security↗
Password Generator
Generate strong passwords with custom length, symbols, and charset.
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08 · security↗
Hash Generator
MD5, SHA-1, SHA-256, SHA-512. Hash any string in your browser.
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09 · time↗
Timestamp Converter
Convert Unix timestamps to readable dates and back. Timezone aware.
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10 · design↗
Color Converter
Convert between HEX, RGB, HSL, and CMYK. Visual color picker.
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11 · text↗
Diff Checker
Compare two blocks of text. Highlights added, removed, and changed lines.
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12 · text↗
Word Counter
Count words, characters, sentences, and estimate reading time.
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