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Sunasty

137 file tools that run in your browser, not the cloud

Your files never leave your device. 137 browser tools to convert, compress and edit files. 100% local, offline, no account.

Top comment

Hey PH 👋

This started because I was tired of one thing. Every time I had to convert a PDF or compress an image, I'd land on some random site that wanted me to upload the file to their server first. For a personal invoice or an ID scan, that always bugged me. Why does a stranger's server need my documents just to resize a photo?

Turns out it doesn't anymore. Browsers got good enough to do this stuff locally. So I built Sunasty. It's 137 small file tools that run entirely in your browser using WebAssembly. Your files stay on your machine. I don't upload anything, I don't ask you to sign up, and there's no account. Once the page has loaded it even keeps working offline.

It covers the usual stuff: resizing and compressing images, merging and splitting PDFs, pulling audio out of a video, reading metadata, formatting JSON, and a bunch more.

It's free. And the part I actually care about is that even if I wanted to snoop on your files, I can't, because they never reach me.

Have a play: https://sunasty.com

Oh, and the name. Sunasty is my cat. He was asleep on my desk for roughly 90% of this build, so it felt fair.

If there's a tool you wish existed, tell me. I keep adding them.

About Sunasty on Product Hunt

137 file tools that run in your browser, not the cloud

Sunasty was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #158 on the daily leaderboard. Your files never leave your device. 137 browser tools to convert, compress and edit files. 100% local, offline, no account.

On the analytics side, Sunasty competes within Productivity, User Experience and Privacy — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Sunasty performed against the three products that launched closest to it on the same day.

Who hunted Sunasty?

Sunasty was hunted by Bastien Sulyan. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.

For a complete overview of Sunasty including community comment highlights and product details, visit the product overview.