Free Online Tools for Everyday Tasks
ToolHero is a collection of free online tools for working with PDFs, images, text, audio, video, security data and more. Process supported files directly in your browser with simple, fast and privacy-focused utilities.
PDF Tools
Merge, split, compress, watermark, rotate, and convert PDF documents in your browser.
Image Tools
Compress, crop, resize, convert formats, generate favicons, and make passport photos locally.
Text & Dev Tools
Word counter, text diff comparison, case converters, and secure password generation.
Security & Crypto
Hash identifier, JWT decoder, RSA key pair generator, cipher suite, and IPv4 subnet calculator.
Audio & Video
Trim audio waveforms, extract sound tracks, and convert videos to animated GIFs.
Other Utilities
Custom QR code generator and developer JSON formatter & validator.
Frequently Asked Questions
Are ToolHero tools free to use?
Yes! All 36+ tools on ToolHero are 100% free with no hidden fees, limits, or subscriptions.
Are my uploaded files private and secure?
Yes. All file processing happens locally inside your web browser using HTML5 & WebAssembly. Your files are never uploaded to any remote server.
Do I need to install any software or browser extensions?
No. ToolHero runs entirely in your web browser on desktop, tablet, and mobile devices.