Developer tools
Small utilities for builders: hashes, JWTs, regex, timestamps, slugs and QR codes. No API calls, no rate limits.
Change CSV delimiterSwap the column separator in CSV data between comma, semicolon, tab and pipe.Color converterConvert colors between HEX, RGB and HSL, with alpha and a tint palette.CSS minifierMinify CSS by stripping comments and whitespace without touching your values.CSV ⇄ JSON converterConvert CSV data to JSON and back, or turn it into a Markdown or HTML table.CSV to HTML tableTurn CSV data into clean HTML table markup with thead, tbody and escaped cells.Email extractorPull every email address out of a block of text and get a clean list.Hash generatorGenerate MD5, SHA-1, SHA-256, SHA-384 or SHA-512 digests from any text.HTML to BBCode converterConvert HTML markup to BBCode for forum posts and signatures.ICS generatorBuild a calendar event and get the .ics text to import anywhere.JSON to .env converterTurn a JSON object into ready-to-use .env lines with clean uppercase keys.Markdown to HTML and backConvert Markdown to clean HTML source and turn HTML back into Markdown.QR code generatorTurn a URL or any text into a QR code you can download as SVG.Regex testerTest a regular expression against your text and see every match and capture group.Slug generatorTurn titles into clean URL slugs without diacritics or punctuation.SQL minifierCompress an SQL script by stripping comments and extra whitespace.URL extractorPull every link out of text or HTML and get a clean list of URLs.URL query parserExtract query-string parameters from a URL and view them as readable JSON.URL validatorCheck a list of links and separate syntactically valid URLs from broken ones.User-agent parserDecode user-agent strings into browser, engine, OS and device type.UTM link generatorAdd UTM campaign parameters to many URLs at once.WhatsApp link generatorBuild a wa.me click-to-chat link from a phone number and an optional prefilled message.