DevDockTools
17+ free tools — no account required

The browser toolbox for builders

Convert images, format code, generate CSS, optimize SEO — all in your browser. Zero uploads. Zero cost. Instant results.

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100% Browser-Based
No Uploads, No Servers
Instant Processing
Popular:PNG to WebPJPG CompressorJSON FormatterBase64 Encoder/DecoderMeta Tags Generator
17+
Free Tools
4
Categories
Ever
No Account Needed
Zero
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Featured

Most popular tools

The tools developers and designers use every day.

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PNG to WebP

Convert PNG images to WebP format for 26% smaller file sizes.

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JPG Compressor

Compress JPEG images with adjustable quality to reduce file size.

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New

SVG Optimizer

Clean and minify SVG files by removing metadata and unnecessary attributes.

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JSON Formatter

Format, beautify and minify JSON with syntax highlighting.

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Base64 Encoder/Decoder

Encode and decode Base64 strings and files instantly.

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New

UUID Generator

Generate cryptographically secure UUIDs (v4) in bulk.

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View all 17 tools →
Categories

Tools for every workflow

Organized into focused categories so you can find the right tool instantly.

Image Tools

Convert, compress, resize and optimize images in your browser — no uploads required.

PNG to WebPWebP to PNGJPG CompressorImage Resizer+1 more

Developer Tools

Format, validate, encode and generate — essential utilities for every developer.

JSON FormatterJSON ValidatorBase64 Encoder/DecoderUUID Generator+1 more

SEO Tools

Generate meta tags, preview Open Graph cards, and build SEO infrastructure.

Meta Tags GeneratorOpen Graph PreviewRobots.txt GeneratorSitemap Generator

CSS Tools

Visually build box shadows, gradients, and responsive type with live previews.

Box Shadow GeneratorGradient GeneratorCSS Clamp Calculator