How to Redact a PDF Properly
Learn how to redact a PDF properly so hidden text is really removed. Step-by-step guide, a pre-send checklist and answers to common redaction questions.
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Guides & updates
Tips for scanning, OCR, signing and working faster with PDFs, plus news about new tools.
Convert
How to Save a PowerPoint as PDF, With or Without Notes
Save a PowerPoint as PDF with or without speaker notes, or as handouts, on a computer or phone. Then shrink the file and add page numbers for free.
Compress
How to Compress a PDF Without Losing Quality
Learn how to compress a PDF without losing quality you can see. Pick the right level, compare the preview and keep text sharp, free in your browser.
Convert
How to Convert PDF to PNG in High Quality
Convert PDF to PNG in high quality: pick the right DPI, keep text and lines sharp, avoid blurry exports and get every page as a clean PNG for free.
Scan & OCR
How to Scan a Passport to PDF for Online Applications
Scan passport to PDF with your phone camera: clear steps, the right scan mode, file size tips and checks to do before you upload it to an application.
Scan & OCR
How to Scan Receipts to PDF for Expenses and Records
Learn how to scan receipts to PDF with your phone camera, keep them readable, group them by month and make the text searchable for expenses and records.
Edit & Sign
How to Remove Personal Metadata From a PDF Before Sharing
Learn how to remove metadata from a PDF before sharing it. Clear the title, author, subject and keywords in your browser, with no upload and no sign-up.
Edit & Sign
How to Sign a PDF Online for Free
Learn how to sign a PDF online for free in your browser. Draw, type or upload a signature, place it on the page and download, with no upload or sign-up.
Merge & Organize
How to Insert a Blank Page Into a PDF
Learn how to add a blank page to a PDF in your browser, place it exactly where you need it, and fix page order before printing or sharing the file.
Merge & Organize
How to Merge PDF Files for Free (Without Uploading Them)
Learn how to merge PDF files free in your browser without uploading them. Simple steps, ordering tips, fixes for common problems and a pre-send checklist.