
BrevTool
Your data never leave your browser.
1 follower
Your data never leave your browser.
1 follower
BrevTool is a suite of 122+ free online tools that run entirely in your browser. When you pick a file, it is read into memory via the HTML5 File API and handed directly to an in-browser engine — no upload, no server copy, no account.


I built BrevTool because I kept running into the exact same frustrating loop:
Need to quickly merge two sensitive PDF contracts.
Find a "free" tool on Google.
Hit a $19.99/mo paywall after the second file.
Realize my private contracts now live on a random server forever.
That last part bothered me the most. We are constantly trading our digital privacy for basic utility. So, I built a platform where it is architecturally impossible for your files to leave your device.
BrevTool is a suite of 78+ everyday tools powered entirely by WebAssembly. Because everything runs locally in your browser, there is zero server processing. No uploads. No waiting. No data harvesting.
🧰 What you get (100% Free, No Sign-ups):
📄 PDF: Merge, split, compress, Word conversions.
🎬 Video: A full timeline editor (trim, crop, transitions, speed, filters).
🖼️ Image: Compress, resize, format convert, background removal.
👨💻 Developer: JSON formatter, JWT decoder, regex tester, +15 more.
🔀 Plus: Text tools, calculators, data converters, and generators.
The Catch? Just non-intrusive ads. That’s it. There are no premium tiers, no watermarks, and no hidden file-size limits.
My Ask For You: I’d love your feedback—specifically on the Video Editor. Building a full, responsive video editor that runs entirely client-side was a massive challenge. Let me know how it handles your files!
🕵️♂️ The DevTools Challenge: Don't trust my privacy claims? I don't blame you. Open your browser's DevTools → Network tab while using any tool on the site. You will see exactly zero file uploads.
Check it out here: brevtool.com I’ll be in the comments all day answering questions! 👇