Privacy-first browser tools
that never leave your device.
A.C.U.T.E. Labs builds local browser tools for developers, creators and UK small businesses. Everything runs in your browser. Nothing ever leaves your device.
Launch tools
Focused, local-first tools for real work.
Each tool does one job, done properly — in your browser, with no data leaving your device.
MergePad
Merge PDF files locally. Fast, private and 100% in your browser. Free tier included.
Open tool →SignPad
Sign PDFs and documents locally. No data leaves your device. No DocuSign needed.
Open tool →InvoicePad
Create, customise and download invoices locally. Built for UK small businesses and freelancers.
Open tool →SplitPad
Split PDF files into pages or custom ranges. Download as ZIP or individual files.
Open tool →CompressPad
Compress PDF files in the browser. Reduce file size without uploading anywhere.
Open tool →RotatePad
Rotate PDF pages locally. Fix orientation without a server or an Adobe subscription.
Open tool →How it works
Private by design. No exceptions.
Every tool is built the same way — your files never leave your machine.
Open a tool
No account, no install. Open the tool in any modern browser on any device.
Add your files
Drag and drop or pick files. They load directly into your browser memory.
Process locally
All processing happens on your device using browser APIs. Open DevTools — no network traffic.
Download the result
Your file downloads directly. Nothing is stored, uploaded or retained.
Ready to try it?
Free tier available on every tool. Upgrade once for unlimited use — no subscription, ever.