Base64, UUID, Color & Timestamp Tools

Base64, URLs, UUIDs, JWTs, regex, cron expressions, Unix timestamps, colour codes, Markdown, slugs and data URIs — small tools for developers, free.

16 tools

Base64 & URL Encoder / DecoderEncode and decode Base64 and URLs Data URI GeneratorTurn files and SVG into embeddable data URIs Data URI DecoderView and save files from a data URI or Base64 Slug generatorTurn titles into clean URL slugs UUID generatorGenerate random UUID identifiers Color converterConvert between HEX, RGB and HSL color codes Regex testerTest a regex: highlighted matches, groups and replace Regex generatorReady-made regex for email, phone, dates and more Regex explainerUnderstand every part of a regex Cron expression generatorPick a schedule, get the cron expression Cron expression parserRead a cron expression and see when it runs JWT decoderRead a JWT's header, payload, expiry and check its signature JWT generatorSign a JWT with a secret or a private key Markdown previewType Markdown, preview it live and get the HTML HTML to MarkdownTurn HTML or copied content into Markdown Unix timestamp converterTimestamp ⇄ date, with the current epoch time