develzone — developer tools that run in your browser

URL / HTML / Base64 /url Encode and decode URL, HTML entities, HTML ASCII and Base64 text. Encoding Image to Base64 /img Image file → data URI, <img> tag or CSS url(). Runs locally. Encoding UUID / ULID generator /uuid UUID v4, v7 and ULID in bulk. Decode the timestamp inside a v7 UUID or ULID. Data JSON formatter /json Validate, pretty-print and minify JSON. Errors with line and column. Data XML to JSON /x2j Convert XML documents into JSON. Data Regex tester new /regex Test regular expressions in JavaScript, PCRE2 (PHP) and .NET – matches, groups, replace, explanation, code. Text Text diff /diff Compare two texts side by side or inline – config files, JSON, code. Changes down to the word. Text Hash generator /hash MD5, SHA-1, SHA-256, SHA-512, SHA-3, BLAKE3, CRC32 … of text or a file. HMAC and checksum verify. Security JWT decoder new /jwt Decode a JSON Web Token, check exp / nbf, verify the signature, edit claims and re-sign. Security Unix timestamp /ts Unix epoch (s / ms) ⇄ UTC, local and ISO 8601 date. Time Cron expression /cron Explain a cron schedule in plain English, build one by clicking, see the next run times. Time Color converter /color HEX, RGB, HSL, OKLCH and more – picker, sliders, shades and a WCAG contrast check. Design Distance between coordinates new /dist Distance and bearing between two GPS points – haversine and exact WGS84 – on a map. Geo & units Degrees ⇄ decimal /deg GPS coordinate in degrees, minutes, seconds ⇄ decimal degrees. Geo & units Exif reader /exif Read EXIF / XMP metadata from JPEG or TIFF, GPS shown on a map. Media My IP & location getmy-ip.com Your public IP address, approximate location, ISP and browser info. Network · external site, new tab