SupaTools.AI
Free online tools that run entirely in your browser
About SupaTools.AI
SupaTools.AI collects the small file utilities everyone needs occasionally and nobody wants to install, with one architectural decision that separates it from the hundreds of similar sites: everything runs in your browser and your files never leave your device. That matters more than it sounds. The usual free converter site works by uploading your file to a server you know nothing about, which is fine for a meme and not fine for a contract, a medical scan or anything covered by a client agreement. Local processing removes that question entirely.
Coverage spans five categories that between them handle most everyday file problems. Image tools cover conversion, resizing and optimisation across eleven or more utilities. Text tools include OCR, which is the clearest AI component in the set. Developer tools cover a JSON formatter and a diff checker, both of which developers reach for constantly and usually find through a search. Video tools include video-to-GIF conversion. Audio tools round out the set. Everything is free with no signup and no uploads, and new categories are described as shipping regularly. The site is available in multiple languages.
Pick the category matching your problem, whether that is image, audio, video, text or developer. Choose the specific tool, drop your file in, and processing happens locally in the browser rather than on a server. Because nothing is uploaded, there is no queue, no file size limit imposed by someone else's bandwidth, and no question about retention. There is no account to create and no usage limit to run into, so the tools are equally suited to a one-off conversion and to repeated daily use. OCR extracts text from images, the JSON formatter and diff checker cover common developer needs, and video-to-GIF handles the most requested video conversion.
- •Fully Local Processing - Files never leave your device, which is a structural guarantee rather than a privacy promise
- •Five Tool Categories - Image, audio, video, text and developer utilities in one place
- •OCR Text Extraction - Pull text out of images without uploading them anywhere
- •JSON Formatter and Diff Checker - The developer utilities most often found through a desperate search
- •Image Conversion and Optimisation - Eleven or more image tools covering format, size and compression
- •Video to GIF - The most commonly needed video conversion, handled locally
- •No Signup, No Limits - No account, no usage cap and no paywall
- •Actively Expanding - New categories described as shipping regularly
For anyone who converts, resizes or extracts from files often enough to be tired of finding a different site each time, and particularly for people handling material they should not upload to an unknown server. It suits developers who reach for a JSON formatter or diff checker several times a week, and office workers dealing with images and documents. The local processing makes it appropriate for confidential material where the usual free converters are not. Note that this is largely a conventional utility collection with OCR as its AI element, rather than an AI platform.
Pricing
No pricing page found
Completely free with no sign-up and no uploads - all processing runs locally in the browser
Checked 2026-09-19
