You've got a folder full of PDFs and the same signature has to go on every one of them. Opening each file, signing it, saving it and moving to the next is the kind of job that eats a whole afternoon. This page lets you bulk sign PDF files in one go: add them all, place your signature once, and download the signed copies as a single ZIP. It all happens in your browser, so your documents are never uploaded and you don't need an account.
Draw your signature, type it or upload a picture of it, then choose whether it goes on the first page, the last page or every page. Add initials, a date or a line of text if the document needs them. If you need to sign multiple PDFs at once, this is the quick way to do it.
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Table of Contents
How to Bulk Sign PDF Files, Step by Step
- Add your files. Click Choose PDF files or drag them onto the page. Pick one, or as many as you like. The first file opens as a preview, and you can click any name in the list to look at another.
- Make your signature. Draw it with a mouse, finger or stylus, type it in one of four styles, or upload a PNG or JPG and let the tool remove the white background. Choose black, blue or red ink.
- Place it and pick the pages. Click your signature to drop it on the page, drag it into position and resize it with the corner dot. Then use Show on to choose where it appears.
- Download. One file gives you a signed PDF. Several files give you signed-pdfs.zip, and each file inside has "-signed" added to its name. Your originals are never changed.
Which Pages Should Your Signature Go On?
The Show on menu is what makes bulk signing practical. Here's when to use each option:
- Last page only: contracts, agreements and invoices where the signature block sits at the end. This works even when your files have different page counts.
- All pages: initials. Place them once and they appear on every page of every file.
- First page only: cover letters and forms where the signature sits at the top.
- This page only: a single tick, date or note next to one specific clause.
One thing to know: if you pin an item to page 5 and another file has only 3 pages, it lands on that file's last page. Positions are measured relative to each page, so files with the same layout line up neatly. If your batch mixes layouts, click through the files in the list and check them before you download. Rotated and cropped pages are handled too, so the signature ends up where you saw it.
Ways to Sign a Batch of PDFs, Compared
There's more than one way to add a signature to PDF files. Here's how the common options differ:
| Method | Many files at once | Files leave your device | Account or install |
|---|---|---|---|
| Print, sign, scan | No, one sheet at a time | No | Needs a printer and a scanner |
| Desktop PDF software | Depends on the software | No | Install required, often paid |
| Cloud e-signature platforms | Usually, on bulk plans | Yes, they're uploaded to the provider | Usually an account |
| This browser tool | Yes, results come as one ZIP | No | No account, no install |
To be fair, cloud platforms do things this tool doesn't, like collecting signatures from other people and keeping an audit trail. This tool is for the other situation, where you are the signer and you'd rather keep your files on your own device.
Electronic Signature vs Digital Signature
The two terms get mixed up all the time. An electronic signature is any mark showing you agree to a document: a drawn signature, a typed name, an uploaded image. A digital signature is a cryptographic seal tied to a certificate and verified by software. This tool adds a visible electronic signature. It doesn't create a certificate-based one.
On the legal side, the United Nations' UNCITRAL Model Law on Electronic Signatures, adopted in 2001, was written to help countries treat electronic signatures like handwritten ones, without favouring any one technology. Every country sets its own rules, though, and some documents need extra formalities, so check what your recipient requires for anything important.
5 Mistakes to Avoid When Signing PDFs in Bulk
- Skipping the preview. Click through two or three files before you download. It takes seconds and catches most problems.
- Mixing very different layouts. A signature placed for an invoice won't land neatly on a form with a different layout. Sign similar files together.
- Pinning to a page number. If your files have different lengths, use "Last page only" or "First page only" instead.
- Using password-protected files. Remove the password first. In bulk mode, a protected file is skipped and marked in the list, and the rest still get signed.
- Re-signing files that already carry a certificate-based digital signature. This tool saves a new copy of each file, which can stop an existing digital signature from being valid. Sign the unsigned version instead.
What Actually Happens to Your Files
Your PDFs are opened and signed inside your browser. They aren't sent to a server, so there's nothing to upload and no account to create. The one thing that does download is the PDF engine, which loads once from a public CDN (jsDelivr) when you choose your first file. It's code, not your documents.
You can check this yourself: open your browser's Network tab while you sign and see what moves. Your signature is only kept on your device if you tick Remember on this device, which is off by default, and a "Forget" button removes it. Close the tab and your files are gone from the tool.
Frequently Asked Questions
Can I sign multiple PDFs at once without uploading them?
Yes. Add all your files, place your signature once and download the results as one ZIP. Everything is processed in your browser.
Is it free to sign PDF online here?
Yes. There's no payment, no account and no watermark on the signed files.
Do I need to sign up?
No. There's no sign up and no install. Open the page, add your files and sign.
Can I add a signature to PDF forms?
The tool places your signature, initials, date or text on top of the page. It doesn't fill interactive form fields, so complete those in your PDF app first, then sign.
How many PDFs can I sign in one go?
The tool doesn't set a file limit. The practical limit is your device's memory, so for very large files, work in smaller batches.
Is an electronic signature legally valid?
It depends on your country and the type of document. Electronic signatures are recognised in many places, but some documents need extra steps. Check what the person receiving the file requires.
What happens if one file can't be signed?
It's marked in the file list with the reason, for example "Protected PDF", and every other file is still signed and included in the ZIP.
Can I sign only the last page of every file?
Yes. Select your signature and set Show on to "Last page only".
Quick Summary
This free tool lets you bulk sign PDF files without uploading any of them. Add your files, create a signature by drawing, typing or uploading, place it once and choose which pages it goes on. Download a signed PDF or a ZIP of many. You can also add initials, dates, text and ticks. There's no account and no watermark, and the signing happens in your browser. It's the simple way to sign multiple PDFs at once when you're the one who has to sign.
Disclaimer
Good to know: This tool adds a visible electronic signature to your PDF. It does not create a certificate-based digital signature, and it isn't legal advice. Whether a signed document is accepted depends on your country and on the person or organisation receiving it, so please check their requirements first. Always review your signed files before sending them, and keep your originals as a backup. The tool is provided as is, and you're responsible for how you use the signed documents.