PDF Guides
Practical instructions for every common PDF task. No fluff, no upsells.
How to Fill Out a PDF Form
Covers AcroForm fields, W-9, W-4, and I-9 forms step by step. Includes what to do when a PDF has no fillable fields at all.
Read the guide ›How to Sign a PDF Online for Free
Draw, type, or upload your signature. Explains the legal basis for electronic signatures under E-SIGN and UETA, and which document types still need a wet signature.
Read the guide ›How to Redact a PDF
Why covering text with a black box in Word is not real redaction, three famous cases where botched redaction went public, and how to permanently black out content so it cannot be recovered.
Read the guide ›How to Add Text to a PDF
Place typed text anywhere on a PDF, including flat scanned forms with no fillable fields. Covers font choices (Arial, Times New Roman, Courier), size, bold, italic, and color.
Read the guide ›How to Merge and Reorder PDF Pages
Combine multiple PDFs into one document, drag thumbnails to reorder pages, and delete pages you do not need. Common scenarios: assembling a filing packet, extracting specific pages, fixing a scan that came out of order.
Read the guide ›Fill Out IRS Forms Online for Free
W-9 walkthrough with every field explained, official irs.gov download links for all common tax forms, and a list of mistakes that make you redo the form.
Read the guide ›Edit a PDF Without Adobe Acrobat
Honest comparison of free PDF tools: Smallpdf, iLovePDF, Sejda, and this editor. What each actually lets you do for free, and when Adobe Acrobat is genuinely the right choice.
Read the guide ›PDF Privacy: Why Local Editing Matters
What happens to your file when you upload it to a cloud PDF service. Why tax forms, legal documents, and medical records should be edited locally in your browser, not on a stranger's server.
Read the guide ›Ready to edit a PDF?
No account, no watermark, no paywall. Your file stays on your device.
Open the free editor