7 free tools
Developer Tools
Everyday utilities for developers. Fast, private and keyboard friendly, with no data sent to any server.
DeveloperJSON Formatter & ValidatorBeautify, validate, minify and sort JSON, with the exact error line.DeveloperBase64 Encoder / DecoderEncode or decode Base64 text (UTF-8 safe) and convert files to Base64 data URIs.DeveloperURL Encoder / DecoderPercent-encode or decode URLs and query strings, and inspect URL parameters.DeveloperPassword GeneratorStrong random passwords and passphrases with a strength meter.DeveloperUUID GeneratorRandom UUID v4 (GUID) in bulk, uppercase or without hyphens.DeveloperColor Converter & PickerConvert HEX, RGB and HSL, pick colours and check contrast for accessibility.DeveloperUnix Timestamp ConverterEpoch time to date and date to epoch, in seconds or milliseconds.
Which developer tool do you need?
- JSON Formatter & Validator: Beautify, validate, minify and sort JSON, with the exact error line.
- Base64 Encoder / Decoder: Encode or decode Base64 text (UTF-8 safe) and convert files to Base64 data URIs.
- URL Encoder / Decoder: Percent-encode or decode URLs and query strings, and inspect URL parameters.
- Password Generator: Strong random passwords and passphrases with a strength meter.
- UUID Generator: Random UUID v4 (GUID) in bulk, uppercase or without hyphens.
- Color Converter & Picker: Convert HEX, RGB and HSL, pick colours and check contrast for accessibility.
- Unix Timestamp Converter: Epoch time to date and date to epoch, in seconds or milliseconds.