Send PDFs for electronic signature — add signers, place fields, track status
WhiskFile E-Sign PDF is a professional online tool to send PDFs for electronic signature — add signers, place fields, track status. Files are processed entirely in your browser — nothing is uploaded to any server.
Quick Answer
Send PDFs for electronic signature — add signers, place fields, track status. WhiskFile's E-Sign PDF is available with a Pro plan. Your files never leave your device — all processing happens locally.
Upload your PDF
Drag and drop or select the PDF document you want to send for electronic signature.
Add signers
Enter the name and email address of each person who needs to sign the document. Add up to 10 signers.
Place signature fields
Drag and drop signature, initials, date, and text fields onto the PDF pages where each signer needs to act.
Set signing order
Optionally configure the signing sequence so signers receive the document in a specific order.
Send for signature
Click Send to dispatch the signing request. Signers receive a secure link via email and can sign from any device without an account.
Max file size: 50 MB (free) · 500 MB (paid). Processing time: ~5s on average. Upload one file at a time.
E-Sign PDF runs entirely in your browser — no software to install. Works on any device with a modern browser.
Windows & Mac
Chrome, Firefox, Edge, Safari
iPhone & Android
Safari, Chrome mobile
iPad & Tablets
Full touch support
Unlike server-based tools that upload your documents, WhiskFile processes everything locally in your browser. Your files never leave your device — not even temporarily.
No upload required
Files are processed in your browser — nothing is sent to any server
100% private
No server storage, no data collection, no third-party access
Works offline
Once loaded, works without an internet connection
“Password-protecting sensitive documents before sharing gives me peace of mind. Simple and reliable.”
Robert Liu
Compliance Officer
“Redacting confidential info from legal documents is critical. WhiskFile makes it foolproof.”
Nina Patel
Attorney
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Client-side processing
This tool now runs entirely in your browser — files never leave your device.
Result preview & sharing
Preview your processed file before downloading, and share results via a secure link.
Yes. Electronic signatures are legally recognized in most jurisdictions worldwide under laws such as the ESIGN Act (US), eIDAS (EU), and similar legislation in over 60 countries.
Pro users can add up to 10 signers per document. Each signer can have multiple signature and form fields assigned to them.
No. Signers receive a secure link via email and can review and sign the document directly in their browser without creating an account or installing any software.
Once all signers have completed their signatures, a tamper-evident sealed PDF is generated with a full audit trail including timestamps and IP addresses. All parties receive a copy.
Yes. You can configure sequential signing so each signer receives the document only after the previous signer has completed their part. This is useful for approval chains and hierarchical workflows.
Yes. E-Sign PDF on WhiskFile is completely free with no account required. Free users get 7 tasks per day with files up to 50 MB. There are no watermarks on any plan. Pro plans ($4.99/month) unlock unlimited tasks, 500 MB files, batch processing, and API access.
Yes. E-Sign PDF runs entirely in your browser using WebAssembly. Your files are never uploaded to any server — they stay on your device throughout the entire process. No data is transmitted, stored, or accessible to WhiskFile or any third party.
Yes. E-Sign PDF works on any device with a modern browser — iPhone, Android, iPad, tablets, Chromebooks, and desktop computers. No app download required. The interface adapts to your screen size automatically.
E-Sign PDF accepts PDF files as input and produces PDF output. The maximum file size is 50 MB on the free plan (500 MB for Pro users). There are no page count limits.
See how WhiskFile compares to other PDF tools on features, pricing, and privacy.
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Chromebook & Linux
Any modern browser
