PDF Page Counter — Count Pages Instantly Online
Count the pages in a PDF instantly, right in your browser. Drop one or many PDFs, get a total — no uploads, no sign-up, no size limit beyond your device's memory.
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Drop one or many PDFs here, or
All counting happens locally — files never leave your device.
Drop one or many PDFs to see the exact page count of each, plus the total. The count is read directly from the PDF's page tree in your browser — no upload, no size cap beyond your machine's memory.
What is PDF Page Counter?
Counting pages in a PDF sounds trivial, but doing it 200 times a month for print quotes, archive sizing, or CMS uploads adds up fast. This tool parses each PDF's page tree in your browser and reports both per-file counts and a running total. Because everything runs locally, it works on confidential contracts and medical records that you wouldn't paste into a random online service — and there is no size limit beyond your browser's memory, so multi-hundred-megabyte scanned archives work as long as your machine has RAM.
How to count pages in a PDF online
- 1Drop one or many PDFs onto the drop zone, or click 'Choose files' and multi-select.
- 2Each file is parsed locally with pdf.js and the page count appears next to it.
- 3When every file has been processed, the total number of pages across all files is displayed.
- 4For password-protected PDFs, you'll be prompted for the password once per file — the password stays in your browser.
Use Cases
Estimate print jobs
Quote copy-shop costs by counting pages across a folder of contracts or reports in seconds.
Verify archive integrity
Compare page counts before and after a migration or OCR step to catch dropped pages.
Batch-audit uploaded documents
Confirm that a set of files uploaded by users matches an expected total page count.
Reject over-length submissions
Check that a candidate CV or grant proposal fits within the page limit before submission.
Tips & Best Practices
- ▸You can drop up to hundreds of files at once — the tool processes 4 in parallel and reports progress.
- ▸Encrypted PDFs need a password before the page count can be read; the password is only kept in memory for the duration of that one parse.
- ▸If a scanned book PDF is very large (500+ MB), your browser tab might run out of memory. Split the file first with a desktop tool.
- ▸The page count reads the PDF's page tree, which is authoritative — it will match Acrobat and Preview exactly.
Frequently Asked Questions
Do I need to sign up or install anything?
No. Drop a PDF and the count appears. Everything happens in your browser using the pdf.js library — nothing is uploaded.
Does it work with password-protected PDFs?
You'll be prompted for the password when needed. Once decrypted, the page count is read from the file's page tree. The password stays on your device.
Can I count multiple PDFs at once?
Yes. Drop many files together and you'll see per-file counts plus a grand total — useful for estimating printing or archive sizes.
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