30+ free developer, design, text, and security tools running 100% in your browser. Powered by modern Web APIs (Canvas, Web Crypto, Web Audio). Your sensitive data never touches an external server.
Curated category suites built for developers, content creators, designers, and financial planners. All tools execute entirely on client hardware with instantaneous responses.
Convert PDFs to Word, extract text from images via OCR, analyze sentence metrics, transform casing formats, preview Markdown, and compare text diffs.
Convert formats (PNG, JPG, WEBP), compress images with live size metrics, generate QR codes, export SVGs, and extract color palettes via Canvas.
Format and validate JSON with line-error flags, build CSS box-shadows & glassmorphism, create gradients, test Regex, and encode Base64 or URLs.
Calculate loan EMIs with amortization schedules, compound interest projection models, exact age and date differences, tip splits, and multi-unit conversions.
Generate high-entropy cryptographically secure passwords, calculate SHA-256 / SHA-512 / MD5 hashes via Web Crypto API, and produce bulk UUID v4s.
Pomodoro focus interval timer with Web Audio alert chimes, real-time white/pink/brown noise synthesizer, and in-browser screen & voice recorder.
Traditional online utilities upload your files, passwords, and JSON payloads to remote cloud servers. OmniTools leverages modern Web APIs to execute all processing directly on your device's CPU and GPU.
Your confidential source code, financial figures, proprietary graphics, and generated passwords never leave your browser sandbox. No databases, no server logs, and no third-party tracking cookies.
Eliminate round-trip network latency, upload file size throttling, and server queues. Image canvas manipulations and cryptographic hashes calculate instantaneously at hardware execution speed.
Once loaded in your browser cache, all 30 utilities function seamlessly on flights, remote locations, or secure air-gapped corporate intranets without an active internet connection.
Everything you need to know about our privacy architecture, browser compatibility, and local-first execution.
No. Never. OmniTools is built 100% on native HTML5 Web APIs (such as the Canvas API, Web Crypto API, and Web Audio API). When you upload an image for compression or hash a file, the binary stream is read directly into your device's memory. No network requests are made, and no data is ever uploaded or stored.
Yes. Because all calculations and processing logic reside in vanilla client-side JavaScript, once the pages are cached by your web browser, you can disconnect from Wi-Fi or go into airplane mode and continue using all 30 utilities without interruption.
OmniTools is completely free with no usage limits, no credit card requirements, and zero account sign-ups. You can format gigabytes of JSON, compress thousands of photos, and generate millions of UUIDs without rate limits.
OmniTools is engineered to modern W3C web standards and is fully supported on Chrome, Firefox, Safari, Edge, Brave, and Opera across Windows, macOS, Linux, iOS, and Android.