Every online tool you need, in one refined hub
PDF tools, calculators, text utilities, converters, developer helpers, SEO checkers and more — all running entirely in your browser.
Press / to focus search · Enter opens the first result
Browse by Category
Pick a category to explore every tool inside it.
Popular Tools
The tools people use most, every day.
Built different, on purpose
No accounts. No uploads. No compromises.
Private by design
Every tool runs 100% in your browser. Your files never leave your device.
Instant results
No waiting rooms, no queues. Open a tool and get your answer in seconds.
Free forever
No sign-up, no watermarks, no paywalled features. Every tool, always free.
Crafted quality
394 tools, each with guides, examples and FAQs — built to a premium standard.
Free Online Tools for Everyone
NToolHub is a mega collection of 394 free online tools covering everything from PDF manipulation and unit conversion to developer utilities and SEO analysis. Every tool runs entirely in your browser — your files and data never leave your device, so working with sensitive documents is safe.
Why use NToolHub?
No sign-up, no watermarks, no limits. Open a tool, get your result, done. Tools are organized into 11 categories — PDF Tools, Text Tools, Calculators, Converters, Developer Tools, SEO Tools, Social Media Tools, Security Tools, Date & Time Tools, Color & Design Tools, and Miscellaneous — with instant search to find anything in seconds.
Private by design
Unlike many online tools that upload your files to a server, NToolHub processes everything locally with JavaScript. Close the tab and nothing remains — no tracking of your documents, no data retention.