How to Add Page Numbers to a PDF
Add page numbers to a PDF for free in your browser. Pick the format, corner, size and starting number, then download the numbered file. No sign-up.
Edit & Sign
Blog
Guides & updates
Tips for scanning, OCR, signing and working faster with PDFs, plus news about new tools.
Security
How to Password Protect a PDF for Free
Password protect PDF files for free in your browser. Add an open password, choose print, copy and edit permissions, and share the password safely.
Scan & OCR
How to Improve OCR Accuracy: 10 Practical Tips
Ten practical ways to improve OCR accuracy: better light, straight pages, the right language and filter, plus a table that matches errors to causes.
Convert
How to Convert Word to PDF for Free: 4 Reliable Ways
Four reliable ways to turn Word to PDF free, on a computer or phone, without changing your layout. Plus how to shrink, merge and check the final PDF.
Edit & Sign
How to Highlight Text in a PDF
Highlight text in PDF files in your browser, on a phone or computer. Steps, a simple marking system for study and work, and fixes for scanned pages.
Urdu & Regional
How to Scan Degrees and Transcripts Into One PDF
Scan your degree and transcripts into one PDF with your phone: capture each page, put them in the right order, merge, compress and check before upload.
Scan & OCR
Free Online Document Scanner With No Watermark and No App
Looking for a free online document scanner with no watermark, no app and no sign-up? See what to check, how browser scanning works and how to add OCR.
Security
Browser-Based vs Upload-Based PDF Tools: What Is the Difference?
Browser-based PDF tools process files on your device, upload-based tools send them to a server. Compare privacy, speed and limits before you choose.
Convert
How to Convert PNG to PDF
Convert PNG to PDF free in your browser. Add PNG screenshots, logos or graphics, pick A4, Letter or fit-to-image, then download with no watermark.
Merge & Organize
How to Rotate a PDF and Save It Permanently
Rotate PDF and save it permanently so pages stay the right way up for everyone. Turn one page or all pages in 90 degree steps, free, in your browser.