All tools
Filter by role or category. Every tool runs client-side — nothing is uploaded.
Role
Category
- ColorColor ConverterConvert a colour between HEX, RGB, HSL and OKLCH — with a live swatch and contrast check.
- CryptoHash GeneratorSHA-1, SHA-256, SHA-384 and SHA-512 checksums. Computed by your browser, never sent anywhere.
- ImageImage CompressorCompress and convert images to WebP, JPEG or PNG. Files never leave your browser.
- JSONJSON FormatterFormat, validate and repair JSON — it tells you what is wrong, then fixes it and says what it changed.
- GeneratorsQR Code GeneratorTurn any text, URL or Wi-Fi credential into a QR code. Nothing is uploaded.