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Free Online Tools
15 Free Web Development Tools - All in Your Browser
Fast, private, and easy-to-use utilities for developers, designers, and content creators. Format code, convert files, test patterns, and more—no sign-up required. Your data never leaves your device.
Why Choose Web Utilities?
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Lightning Fast
Instant results with no waiting. Works offline once loaded.
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Completely Free
No limits, no sign-up, no premium tiers. Just useful tools.
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Always Available
Access from any device, anywhere. Works on mobile, tablet, and desktop.
Popular Tools
Get started with our most-used utilities
JSON Formatter & Viewer
Format, validate, and explore JSON safely in your browser.
Base64 Encode & Decode
Encode or decode Base64 strings with instant previews and copy buttons.
Regex Tester
Build and debug regular expressions with instant match explanations.
Text Diff Viewer
Visualize differences between two text snippets in side-by-side panels.
URL Parser & Query Encoder
Break down URLs into components and rebuild query parameters.
UUID / GUID Generator
Create universally unique identifiers (UUIDs) with one click.
Browse by Category
Find the perfect tool for your project
Formatters & Viewers
2 toolsClean up and inspect structured content with tools that highlight errors before they hit production.
Converters
6 toolsSwap file formats and encodings without leaving the browser. Every converter runs fully client-side.
Generators
3 toolsCreate UUIDs, SEO-friendly slugs, and metadata previews in seconds.
Analyzers & Testers
4 toolsVerify payloads, compare outputs, and validate regular expressions with instant feedback.
Ready to boost your productivity?
Join thousands of developers, designers, and content creators who use our tools every day.