DevTools41 Tools
Home & All Tools
JSON ViewerJSON Formatter & MinifierJSON CompareJSON Schema ValidatorJSON to TypeScriptJSON ↔ CSVYAML ↔ JSON
Base64 Encode / DecodeURL Encode / DecodeCase ConverterLorem Ipsum GeneratorDiff CheckerRegex TesterMarkdown PreviewerMarkdown ↔ HTMLCSV ↔ Excel
UUID GeneratorTimestamp ConverterJWT DecoderHash GeneratorCSS Unit ConverterCron Expression ParserMeta Tag / OG PreviewerHTTP Status Code ReferenceNumber Base Converter
Image CompressorImage Format ConverterImage Resizer & Cropper
Color Picker & Palette ExtractorFavicon GeneratorGradient GeneratorQR Code Generator & ReaderSVG OptimizerCSS Gradient & Shadow Generator
PDF to ImageImage to PDFPDF Merge & SplitPDF CompressDoc to PDFPDF to TextPDF Watermark & Page Numbers
100% Client-Sidev1.0
100% Client-Side & Private — No Data Sent to Servers

Developer & Designer Utilities

Fast, free, privacy-friendly tools that run directly in your browser. 41 tools for formatting, converting, generating, and inspecting.

Design Tools(Showing 6 of 6)

Design

Color Picker & Palette Extractor

Pick colors and extract palettes from uploaded images.

Browser-based Open Tool
Design

Favicon Generator

Generate a full favicon icon set from a single image and download as zip.

Browser-based Open Tool
Design

Gradient Generator

Create CSS gradients with a visual editor and copy the CSS output.

Browser-based Open Tool
Design

QR Code Generator & Reader

Generate QR codes from text or URLs and decode QR codes from images.

Browser-based Open Tool
Design

SVG Optimizer

Minify and clean up SVG files for production use.

Browser-based Open Tool
Design

CSS Gradient & Shadow Generator

Generate CSS gradients and box shadows with a visual editor.

Browser-based Open Tool
DevTools

Free, privacy-first online tools for developers and designers. All utilities execute locally in your web browser — your data never leaves your device.

100% Private & Client-Side Execution
Tool Categories
JSON Tools Text Tools Image Tools PDF Tools Web & Dev Tools Design Tools
Fast Access

⌘KCommand Palette

About & Privacy

41 Active Tools

© 2026 DevTools. Free & Open Developer Utilities.
Home•Privacy Guarantee