Developer tools
Format and validate JSON, encode and decode Base64, URLs and HTML entities, and convert Unix timestamps to dates and back.
Dev
JSON formatterFormat, validate and minify JSON, with errors pinned to a line and column and explained in plain words.Encode / decodeEncode and decode Base64, URL-safe Base64, URL components and HTML entities, correctly for any text.TimestampsConvert a Unix timestamp to a date and a date to a timestamp, in any time zone, with the current time ticking live.
Text
Case converterChange text between sentence case, UPPER CASE, Title Case, camelCase, snake_case and more.List toolsSort, dedupe, trim, reverse, shuffle and number a list, with the steps applied in the order you choose.Compare listsCompare two lists to find what is only in the first, only in the second, in both, or in either.SQL IN-list builderTurn a column of values into a quoted, comma-separated list ready to paste into a SQL WHERE … IN (…) clause.
Image
Convert imageConvert images between PNG, JPEG, WebP and AVIF, and open HEIC photos from an iPhone, without uploading them.Resize and cropResize images by pixels or percent, crop them freely or to a ratio, and rotate or flip them, all in your browser.Compress imageMake image files smaller with a quality slider, a before and after preview, and the size you save shown as you go.