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Diff checkerCompare two texts or files, line by line and word by word.JSON diffCompare two JSON files, ignoring key order and formatting.JSON formatterBeautify or minify JSON, with sorted keys if you like.JSON validatorCheck JSON syntax and see exactly where it breaks.JSON to CSVTurn a JSON array into a spreadsheet-ready CSV file.JSON to YAMLConvert JSON into clean, valid YAML.JSON viewerExplore JSON as a collapsible tree and copy paths.JSON to TypeScriptTypeScript interfaces or Zod from JSON.YAML validatorCheck YAML syntax and see where it breaks.JSONPath testerQuery JSON with JSONPath and see matches.Base64 encoderEncode and decode Base64 text and files.Timestamp converterConvert Unix epoch time to dates and back.JWT decoderDecode JWTs, check expiry and verify signatures.URL encoderPercent-encode and decode URLs and query strings.Hash generatorMD5 and SHA hashes of text or files.Number base converterBinary, octal, decimal and hex, both ways.HTML entity encoderEscape and unescape HTML entities.Word counterCount words, characters, sentences and reading time.Case converterChange text to upper, lower, title, camel or snake case.Title caseCapitalize titles in AP, Chicago, APA or MLA style.Lorem ipsumGenerate placeholder text by paragraph, sentence or word.Line cleanerDedupe, sort and trim lists of lines.Slug generatorTurn titles into clean URL slugs.List to SQL INLines to SQL IN lists and comma lists.Email extractorPull email addresses out of any text.QR code generatorMake QR codes for links, Wi-Fi and text; PNG or SVG.Password generatorGenerate strong random passwords, made in your browser.UUID generatorGenerate UUIDs and GUIDs in bulk, v4 or v7.Mock data generatorFake JSON test data with chosen fields.Color converterConvert HEX, RGB, HSL; contrast, tints and palettes.CSS gradientBuild linear, radial and conic CSS gradients.Color palette generatorBuild palettes from one color, copy as CSS.Contrast checkerText and background contrast against WCAG.Aspect ratio calculatorRatios and missing sides, like 16:9.PX to REM converterPixels to rem and back, any base size.Image compressorShrink images without uploading them.Image resizerResize images to exact dimensions.Favicon generatorFavicon.ico and app icons from one image.SVG optimizerClean up and minify SVG files.Meta tag generatorTitle, description and social meta tags.Robots.txt generatorBuild and test a robots.txt file.HTTP status codesWhat each HTTP status code means.Subnet calculatorIPv4 CIDR ranges, masks and hosts.User agent parserRead browser, OS and device from a UA string.Code beautifierFormat Python, Java, C++, C#, Go, JS, PHP and more.Regex testerTest regular expressions with live matches and groups.Markdown previewWrite Markdown and see it rendered live.Cron generatorBuild or explain cron schedules, see next runs.Chmod calculatorUnix permissions as octal and rwx.SQL formatterFormat and indent SQL queries.Python formatterFormat Python in the Black style.JavaScript beautifierFormat JavaScript with Prettier.Java beautifierFormat and indent Java code.HTML beautifierFormat and indent HTML.CSS beautifierFormat or minify CSS.XML formatterFormat XML and check it is well-formed.

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