Free Online Tools

ToolBox is a collection of 161 free browser-based tools for developers, designers, and everyday users. No sign-up required, no limits, 100% free.

What Can You Do With ToolBox?

ToolBox covers every common digital task: compress and resize images, generate QR codes, format and validate JSON, convert units and currencies, encode and decode Base64, generate secure passwords, merge and split PDF files, convert colors between formats, and much more. Every tool runs entirely in your browser — your files and data never leave your device.

Why Use ToolBox?

All tools are completely free with no registration required. There are no file size limits, no watermarks, and no hidden paywalls. Tools load instantly and work on any device — desktop, tablet, or mobile. Because processing happens client-side, your privacy is protected by design.

Tool Categories

• Image Tools — compress, resize, convert, and generate images and QR codes
• Developer Tools — JSON formatter, regex tester, hash generator, UUID generator
• Text Tools — word counter, case converter, lorem ipsum generator
• Encoding Tools — Base64, URL encoder, HTML entities
• Math Tools — unit converter, percentage calculator, scientific calculator
• Color Tools — color converter, palette generator, contrast checker
• Generators — password generator, random number, UUID, Lorem Ipsum
• PDF Tools — merge, split, compress, and rotate PDF files
• CSS Tools — CSS formatter, gradient generator, flexbox helper
• SEO Tools — meta tag generator, keyword density checker, robots.txt creator
• Health Tools — BMI calculator, calorie calculator, water intake calculator
• Time Tools — timezone converter, date calculator, Unix timestamp converter