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8JSON FormatterMost usedFormat, validate, and minify JSON with instant error locations.Regex TesterPopularTest regular expressions with live match highlighting and capture groups.JWT DecoderPopularDecode and inspect JSON Web Token headers, payloads, and signatures.UUID GeneratorTrendingGenerate v4 UUIDs in bulk, copy or download as a list.Base64 Encoder/DecoderTrendingEncode text to Base64 or decode Base64 back to plain text.Password GeneratorGenerate strong, random passwords with custom length and rules.QR Code GeneratorGenerate a QR code from a URL, text, or Wi-Fi string, and download it.SQL FormatterBeautify or minify messy SQL queries with keyword casing options.
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177Developer utilities26
JSON FormatterFormat, validate, and minify JSON with instant error locations.Regex TesterTest regular expressions with live match highlighting and capture groups.JWT DecoderDecode and inspect JSON Web Token headers, payloads, and signatures.UUID GeneratorGenerate v4 UUIDs in bulk, copy or download as a list.Markdown PreviewWrite Markdown and see a live-rendered preview side by side.Base64 Encoder/DecoderEncode text to Base64 or decode Base64 back to plain text.QR Code GeneratorGenerate a QR code from a URL, text, or Wi-Fi string, and download it.Password GeneratorGenerate strong, random passwords with custom length and rules.Color ConverterConvert colors between HEX, RGB, and HSL, plus generate a shade ramp.Tailwind PaletteBrowse the full Tailwind CSS color palette and copy any shade.SQL FormatterBeautify or minify messy SQL queries with keyword casing options.Dockerfile GeneratorGenerate a production-ready Dockerfile from a few quick options.API TesterSend HTTP requests and inspect responses, right in the browser.OpenAPI ViewerPaste an OpenAPI/Swagger JSON spec and browse its endpoints.Git Ignore GeneratorGenerate a .gitignore file for your stack in seconds.Linux Command Cheat SheetSearchable reference of common Linux commands.Cron GeneratorBuild and understand cron expressions with live presets.Regex Generator (AI)Describe a pattern in plain English and get a working regex back.Regex Cheat SheetCommon regex patterns and syntax reference, searchable and copyable.Regex ExplainerPaste a regex and get a plain-English, token-by-token breakdown.Regex BuilderBuild a regex visually by clicking blocks, no syntax memorization needed.Unix Timestamp ConverterConvert between Unix timestamps and human-readable dates.Timezone ConverterConvert a date and time across major timezones at a glance.Cron Expression ParserPaste a cron expression and see what it means and when it next runs.Countdown GeneratorCreate a live countdown to any date and share it with a link.HTTP Status ExplorerLook up any HTTP status code and what it means.
Design7
Color Palette GeneratorGenerate, lock, and export beautiful color palettes instantly.Contrast CheckerCheck WCAG 2.1 AA/AAA contrast ratios for text and UI colors.Icon SearchSearch 1,500+ open-source icons and copy the import instantly.Random Avatar GeneratorGenerate deterministic geometric SVG avatars from a seed.Random Color GeneratorGenerate a grid of random colors with lockable swatches.SVG IconsBrowse, copy, and download crisp SVG icons for any project.Open Graph Image GeneratorDesign and export custom Open Graph images for social sharing.
Web Development21
CSS Gradient GeneratorBuild linear and radial CSS gradients with a live preview.Box Shadow GeneratorDesign layered CSS box shadows with a live preview.Border Radius GeneratorFine-tune individual corner radii with a live preview.Glassmorphism GeneratorCreate frosted-glass UI effects with backdrop blur.Tailwind PlaygroundTry Tailwind utility classes on live elements and preview the result.Tailwind Color PickerBrowse the full Tailwind color palette and copy any shade.SVG OptimizerStrip unnecessary markup from SVG files to reduce size.SVG to JSXConvert raw SVG markup into a React JSX component.Image CompressorCompress JPG and PNG images in your browser, no upload.WebP ConverterConvert JPG and PNG images to WebP in your browser.Favicon GeneratorGenerate every favicon size you need from one image.CSS MinifierStrip comments and whitespace from CSS to reduce file size.CSS Clamp GeneratorGenerate fluid typography with CSS clamp() and a live preview.CSS Grid GeneratorVisually build a CSS grid layout with columns, rows, and gap.CSS BeautifierReformat minified CSS with consistent indentation.JS MinifierStrip comments and whitespace from JavaScript to reduce size.JS BeautifierReformat minified JavaScript with readable indentation.HTML FormatterReformat HTML markup with consistent nested indentation.HTML MinifierStrip comments and whitespace from HTML to reduce size.curl ConverterConvert a curl command into fetch, axios, Python, Go, or Node code.Flexbox PlaygroundExperiment with Flexbox properties on a live preview.
DevOps11
Dockerfile GeneratorGenerate a production-ready Dockerfile for common stacks.Docker Compose BuilderBuild a docker-compose.yml from a list of services.Changelog GeneratorBuild a CHANGELOG.md in Keep a Changelog format from version sections.Commit Message GeneratorBuild a Conventional Commits message from type, scope, and description.Kubernetes YAML GeneratorGenerate a Kubernetes Deployment and Service manifest.Nginx Config GeneratorGenerate a reverse proxy or static site Nginx config.Apache Config GeneratorGenerate an Apache VirtualHost configuration..env EditorEdit, sort, and format .env files in a structured table.Environment Variable ValidatorDiff env variable keys across environments to catch drift.README GeneratorGenerate a clean README.md from project details.Unix Permission CalculatorGet numeric, symbolic, and chmod permissions from simple toggles.
Security9
Password GeneratorGenerate strong, random passwords with custom rules.Password Strength CheckerCheck password strength and estimated crack time.Hash GeneratorGenerate MD5, SHA-1, SHA-256, and SHA-512 hashes.Base64 Encode/DecodeEncode or decode text and files as Base64.URL Encode/DecodePercent-encode or decode URLs and query strings.QR Code GeneratorGenerate a downloadable QR code from any text or URL.QR Code ReaderDecode a QR code from an uploaded image.TOTP GeneratorGenerate live time-based one-time passwords from a secret.HTML Encode/DecodeEncode text to HTML entities or decode HTML entities back to text.
Data20
JWT EncoderGenerate a signed JWT from a header, payload, and secret.JSON to YAMLConvert JSON documents to YAML instantly.YAML to JSONConvert YAML documents to JSON instantly.JSON to XMLConvert JSON documents to XML instantly.XML to JSONConvert XML documents to JSON instantly.JSON DiffCompare two JSON documents and see what changed.API Mock Data GeneratorGenerate a JSON array of mock records from a custom field schema.Git Diff ViewerPaste a raw git diff to render it as a colorized view.JSON Path TesterTest JSONPath expressions against a JSON document live.CSV to JSONConvert CSV data to a JSON array of objects.JSON to CSVConvert a JSON array of objects to CSV.XML FormatterFormat, minify, and validate XML markup.YAML FormatterFormat and validate YAML documents.TOML FormatterNormalize spacing and structure in TOML config files.INI FormatterNormalize spacing and structure in INI config files.SQL MinifierCollapse query whitespace into one compact line.SQL BeautifierReformat a SQL query with indented clauses and uppercase keywords.SQL ValidatorCheck a SQL query for balanced quotes, parens, and syntax issues.SQL Query GeneratorBuild SELECT, INSERT, UPDATE, and DELETE queries from a form.XML DiffPretty-print and compare two XML documents line by line.
Encoding9
ASCII ConverterConvert text to ASCII codes and back, instantly.Binary ConverterConvert text to binary and binary back to text.Hex ConverterConvert text to hexadecimal and hex back to text.Number Base ConverterConvert numbers between decimal, binary, octal, and hex.Octal ConverterConvert text to octal and octal back to text.Unicode ConverterConvert text to Unicode code points and back.URL Slug GeneratorTurn any title into a clean, URL-safe slug.Barcode GeneratorGenerate downloadable barcodes in common formats.Text to Morse CodeConvert text to Morse code and Morse back to text.
Text10
Lorem Ipsum GeneratorGenerate placeholder Lorem Ipsum text for mockups.Word CounterCount words, characters, sentences, and reading time.Character CounterCount characters with and without spaces, live.Line CounterCount total, blank, and non-blank lines in text.Diff CheckerCompare two blocks of text and highlight line-by-line changes.Duplicate Line RemoverRemove duplicate lines from a list of text.Sort LinesSort lines of text alphabetically, numerically, or randomly.Reverse TextReverse text by character, word, or line.Case ConverterConvert text to upper, lower, title, camel, and more.Remove Empty LinesStrip blank lines from a block of text.
Hashing & Encryption9
MD5 GeneratorGenerate an MD5 hash from any text instantly.SHA1 GeneratorGenerate a SHA-1 hash from any text instantly.SHA256 GeneratorGenerate a SHA-256 hash from any text instantly.SHA512 GeneratorGenerate a SHA-512 hash from any text instantly.bcrypt GeneratorHash and verify passwords with bcrypt in your browser.Nano ID GeneratorGenerate collision-resistant Nano IDs in bulk.Random String GeneratorGenerate random strings with a custom character set.Random Number GeneratorGenerate random integers or decimals in a custom range, in bulk.UUID v7 GeneratorGenerate time-ordered UUID v7 identifiers in bulk.
Network & Web9
MIME Type LookupLook up the MIME type for any file extension.User-Agent ParserParse a User-Agent string into browser, OS, and device.IP LookupLook up geolocation and ISP details for any IP address.DNS LookupQuery A, AAAA, MX, TXT, NS, and CNAME records for a domain.WHOIS LookupLook up domain registration and ownership details.Port CheckerCheck whether a TCP port is open on a host.SSL Certificate CheckerInspect a site's SSL certificate details and expiry.Robots.txt TesterTest whether a URL is allowed by a site's robots.txt.Sitemap ValidatorValidate an XML sitemap's structure and URLs.
Social Media4
Colour7
Colour Blindness SimulatorPreview an image or palette under different colour vision types.Gradient GeneratorBuild multi-stop colour gradients and export as an image.Harmony GeneratorGenerate complementary, triadic, and analogous colour schemes.Palette CollectionBrowse curated colour palettes for design inspiration.Palette ExtractorExtract a colour palette from an uploaded image.Pixel PickerPick the exact colour of any pixel in an uploaded image.Tailwind Shade GeneratorGenerate a full 50-950 Tailwind shade ramp from one colour.
Images & Assets11
Artwork EnhancerSharpen, upscale, and boost contrast on an uploaded image.Background RemoverRemove the background from an image automatically.Base64 Image EncoderConvert an image file to a Base64 data URI and back.Image ClipperCrop an image to a custom shape or freeform selection.Image ConverterConvert images between JPG, PNG, WebP, and more.Image SplitterSplit one image into an evenly sized grid of tiles.Image StitcherCombine multiple images into one stitched canvas.Image TracerTrace a raster image into scalable SVG vector paths.Paste ImagePaste an image straight from the clipboard for quick edits.Placeholder GeneratorGenerate placeholder images at any size and colour.SubstrataGenerate seamless textured background patterns.
Typography & Text10
Document ConverterConvert documents between common text and markup formats.Font File ExplorerInspect metadata and glyphs inside an uploaded font file.Glyph BrowserBrowse and copy every glyph in a font or Unicode block.Large TypeDisplay text in large, auto-scaling type for presentations.Line Height CalculatorCalculate ideal CSS line-height for a font size.Paper Sizes ChartCompare ISO, US Letter, and Legal sizes in mm, in, and px.PX to REMConvert between pixels and rem units for CSS.Text DiffCompare two blocks of text and highlight the differences.Text EditorA distraction-free plain text editor in your browser.Typography CalculatorGenerate a modular type scale from a base size and ratio.
Print & Production3
Other Tools4
Cipher DecoderEncode or decode text with classic ciphers like Caesar and Vigenère.Meta Tag GeneratorGenerate SEO and social meta tags for a web page.Tailwind Cheat SheetSearch Tailwind utility classes and inspect their CSS output.Text ScratchpadA quick scratchpad for pasting and stashing text snippets.
Calculators7
Algebra CalculatorSolve algebraic equations and simplify expressions step by step.Base ConverterConvert numbers between binary, octal, decimal, and hex at once.Encoding ToolsA combined hub for URL, HTML, and Base64 text encoding.Graph CalculatorPlot mathematical functions on an interactive graph.Scientific CalculatorA full scientific calculator with trig and log functions.Time CalculatorAdd, subtract, and calculate durations between times.Unit ConverterConvert between length, weight, temperature, and more.
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