Utility
Encoders, decoders, generators, timers and small utilities for recurring tasks.
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Base64 Encoder / Decoder
Encode or decode Base64 — text or files.
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URL Encoder / Decoder
Percent-encode or decode URLs & query strings.
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Open Graph Preview
Generate OG/Twitter tags with live previews.
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HTML Entity Encoder / Decoder
Escape and unescape HTML entities.
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JWT Decoder
Inspect a JSON Web Token's claims & expiry.
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JWT Signer
Sign and verify JSON Web Tokens locally.
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Unit Converter
Length, mass, temperature & more.
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Timestamp Converter
Unix epoch ↔ human date.
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World Clock
Compare time zones & share a link.
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UUID Generator
v4, v7, and nil UUIDs in bulk.
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Hash Generator
SHA-1, SHA-256, SHA-384, SHA-512 for text or files.
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QR Code Generator
Text or URL → QR code.
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Barcode Generator
EAN, UPC, Code 128 & more → SVG or PNG.
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Password Generator
Cryptographic random passwords.
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Encryptor
Encrypt text or files with a passphrase.
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QR Scanner
Read QR codes from image or camera.
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Stopwatch & Timer
Stopwatch with laps; countdown with alarm.
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Number Base Converter
Binary, octal, decimal, hex & custom base (2–36).
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Cron Parser
Describe a cron expression & preview runs.
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Regex Tester
Test JavaScript regular expressions live.
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Cubic-Bezier Editor
Visual CSS easing curve generator.
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Layered Shadow Studio
Realistic stacked CSS box-shadows from one slider.
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Random Generator
Numbers, dice, coin flips, list picker.