RUNS IN YOUR BROWSER — NOTHING UPLOADED

Merge, split, sign your PDFs instantly. Your files never leave your device.

Free PDF tools that run entirely in your browser. No uploads, no accounts, no tracking. Process sensitive documents without trusting a third party.

100% privateNo server involved
No uploadsYour files stay on your device
No account neededStart using instantly
Drop files here to startTap to select files
or click to browse
PDF · PNG · JPG · WEBP
Your files stay on your device · 0 uploads
Documents with privacy ribbon
Edit
Merge PDFCombine multiple files
Popular
Split PDFExtract specific pages
RotateFix page orientation
CompressReduce file size
Batch ProcessApply settings to multiple files
Pro
Convert & Organise
Image → PDFConvert PNG, JPG, WEBP
Popular
PDF → ImageExport pages as PNG
OrganiseReorder & delete pages
Page NumbersAdd page numbering
OCR PDFScanned to searchable
Pro
Secure & Sign
EncryptAES-256 password protection
WatermarkStamp text on pages
E-SignDraw & place signatures
Pro
RedactBlack out content
Pro
Laptop showing local PDF processing

Your files never leave your device.

WhisperDocs runs entirely in your browser. All processing happens locally on your device, with no uploads, no accounts, and no tracking. Ever.

Processed in your browser
Never uploaded
You stay in control
MOST POPULAR

WhisperDocs Pro

More tools. No limits. Still 100% private.

Unlimited file size
All PDF tools
Batch processing
Priority support
$99/yrThat's just $8.25/mo — or $12.99/mo monthly

How privacy works

No servers. No uploads. Here's what actually happens when you use WhisperDocs.

1. You pick files Files load into your browser's memory. Nothing is sent anywhere.
2. WebAssembly processes A compiled PDF engine runs inside your browser — no server round-trip.
3. Zero network calls Open DevTools → Network tab. You'll see zero file uploads. We dare you to check.
4. Download locally Your result is generated in-browser and saved straight to your device.
BUILT FOR

Built for professionals who handle sensitive documents

Law Firms Client confidentiality without cloud uploads
Healthcare Process patient documents without HIPAA risk
Accountants Tax returns and financials stay on your device
HR Teams Employee records never touch a third-party server
FAQ

Common questions

Everything you need to know about WhisperDocs.

Is WhisperDocs really private?

Yes. All processing happens in your browser using WebAssembly. Your files are never sent to any server. You can verify this by checking the Network tab in your browser's developer tools.

What file types are supported?

WhisperDocs supports PDF, PNG, JPG, JPEG, and WEBP files. Images are automatically converted to PDF when you add them.

Do you store my files?

No. Your files never leave your device. There is no server upload, no cloud storage, and no data collection. When you close the tab, all data is gone.

How large can my files be?

Free users can process files up to 25MB. Pro users have no file size limit.

Does it work on mobile devices?

Yes. WhisperDocs works in any modern browser on desktop, tablet, and mobile. No app installation required.