PDF tools that never upload your files
100% browser-based — no server, no upload, no accountEvery tool on this site runs inside your browser. Your documents are read with the File API, processed on your own device and handed straight back to you as a download. Nothing is sent anywhere, so there is no queue, no upload wait and nothing to trust us with.
Merge PDF files
Combine several PDFs into one file, in the order you choose.
Split PDF files
Break one PDF into separate files, or pull out only the pages you need.
Compress PDF files
Cut file size for email and upload limits — three levels of compression.
Convert PDF to images
Export every page as a PNG or JPG, delivered as a ZIP.
Convert images to PDF
Turn JPG, PNG or WEBP images into a single PDF document.
Rotate PDF pages
Fix sideways or upside-down scans, for all pages or a few.
Why this is different
Most free PDF sites upload your file to a server, process it there and delete it later. That means waiting for an upload, trusting a stranger with a contract or a payslip, and hoping the deletion promise is true. Here the file never leaves the tab it was opened in. You can load the page, go offline, and everything still works.
It is also why these tools are free with no daily quota: there is no server to pay for. No GPU, no cloud bills, and no ad-funded limit on how many documents you may process.
What that means in practice
| Server-based tools | PDF Nest | |
|---|---|---|
| Your file | Uploaded to a server, deleted later | Never leaves your device |
| Waiting | Upload, queue, process, download | Processing starts immediately |
| Offline | Impossible | Works after the page loads |
| Daily quota | Usually capped on the free tier | No limit |
| Watermarks | Common on free tiers | None |
| Very large files | Handled server-side | Limited by your device memory |
Guides
How to reduce a PDF file size
Why PDFs get big, and five ways to make one small enough to send.
How to merge PDF files on iPhone, Android and Windows
How to combine PDFs on a phone, tablet or desktop — without an app.
Questions
Is it really free, with no catch?
Yes. There is no server and therefore no running cost to cover, so there are no daily limits, no watermarks and no forced signup. Everything runs on the machine you are already using.
Are my documents private?
They never leave your device. There is no upload step at all — you can open your browser's network tab and watch that nothing is sent while a file is processed.
Does it work offline?
Once the page has loaded, yes. The processing libraries are served from this site itself rather than a third-party CDN, so no external request is needed during processing.
What is the file size limit?
Your device's memory. Documents up to roughly 150 MB are comfortable on a typical laptop; very large files need a bigger machine rather than a paid plan.
Do I need to install anything?
No. Everything runs in the browser, so there is no app, no extension and no plugin to install.
When you need more than a browser can do
Everything above is free and unlimited. A server version is useful only for jobs that are genuinely too big for a single browser tab:
| Job | Free (this site) | Server version |
|---|---|---|
| File size | Comfortable to ~150 MB | Up to 2 GB |
| Batch processing | One document at a time | Hundreds of files in a queue |
| Automation | Manual, in the browser | REST API for scripts and pipelines |
| Compression | Good | Better — server CPU is not shared with your laptop |