Everyday developer tools, all in one place
Format JSON, build a regex, compress an image… right in your browser, no account needed. And for your projects, invoices and calendar, a free account is all it takes.
- 52 tools without an account
- Nothing is uploaded: it all runs in your browser
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No account needed · 52
These tools keep nothing: just open them and go.
- JSON formatterIndent and validate your JSON
- Base64 / URL encoderEncode and decode text
- JWT decoderRead what a token contains
- Timestamp converterFrom Unix timestamp to date
- UUID generatorUnique identifiers in one click
- SHA hashesHash a text or a file
- PasswordsStrong passwords
- Text diffSee what changed
- Regex GeneratorCreate regular expressions easily
- API SimulatorTest your APIs easily
- Validation GeneratorCreate validation rules
- Prisma GeneratorCreate Prisma schemas easily
- JS MinifierOptimize your JavaScript code
- CSS MinifierReduce your CSS files size
- Gradient GeneratorCreate custom CSS gradients
- Shadow GeneratorCreate elegant CSS shadows
- Grid GeneratorCreate CSS Grid layouts
- Color GeneratorGenerate color palettes
- Color contrastReadable text for everyone
- Button GeneratorModern button designs
- Loader GeneratorCreate loading animations
- Image CompressorOptimize your images for web
- JSON to TypeScriptTypes from a JSON sample
- JSON / YAML / CSV converterJSON, YAML and CSV, any direction
- Cron expressionsRead and write cron expressions
- Number bases and chmodBinary, hex and Unix permissions
- Fluid typographySizes that follow the screen
- Easing curvesWell-paced transitions
- Color converterHEX, RGB, HSL, OKLCH and shades
- SVG optimizerLighter SVG files
- Favicon generatorEvery icon a site needs
- Meta tags generatorThe right preview on Google and social
- cURL to codeA cURL command as fetch, axios, Python…
- SQL formatterReadable SQL queries
- JSON diffThe differences between two JSON
- Fake dataRealistic test data
- Subnet calculatorCIDR, masks and address ranges
- URL parserA URL broken down and editable
- HMAC and keysHMAC, RSA/ECDSA keys and secrets
- QR code readerRead a QR code, image or camera
- Flexbox / Grid playgroundFlexbox and Grid, live
- Background patternsRepeating backgrounds in CSS or SVG
- Palette from an imageThe colors of an image
- Corners and shapesborder-radius, blobs and clip-path
- QR Code GeneratorGenerate custom QR codes
- Text GeneratorGenerate placeholder text for your mockups
- Markdown editorMarkdown with a live preview
- Case convertercamelCase, snake_case, slug…
- Time zonesTime everywhere, and a shared slot
- Date calculatorDurations, deadlines and business days
- Markdown tablesEffortless Markdown tables
- Email signatureA polished email signature
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