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Folio · PDF Reader
Fill and sign any PDF, privately in your browser.
Skip printing, scanning and expensive e-signature subscriptions. Folio lets you fill out PDF form fields, add checkmarks and dates, and place a crisp drawn or typed signature — while keeping the confidential PDF on your own device.
Free with a SEMDIV account: up to 20 PDFs, 100 MB each, with zero watermarks.
How it works
- 1
Open your contract or form
Drop the PDF into Folio — it opens immediately in your browser.
- 2
Fill fields & create signature
Type into form boxes and draw or style your signature with natural ink smoothing.
- 3
Export signed PDF
Download a standard PDF with your signature and form entries embedded.
What you can do with Folio
Drawn, typed or image signatures
Sign with your mouse, trackpad or stylus, or pick a calligraphic signature style.
Interactive form filling
Fills standard AcroForm text inputs, checkboxes, radio buttons and dropdowns.
Add text & checkmarks anywhere
Even on flat scanned forms without interactive fields, drop text and stamps anywhere.
Date & approval stamps
Insert date stamps, “Approved”, “Confidential” or custom rubber stamps.
100% local privacy
Your contracts, NDAs and tax forms stay in your browser on your device.
Instant clean export
No watermarks or trailing audit-page clutter added to your PDF.
More Folio workflows
PDF Editor →
Folio opens any PDF instantly and gives you precision tools to highlight, comment, sign and redact. The PDF itself stays in your browser on your device; your edits follow your workspace.
Redact PDF Online →
Drawing a black rectangle over text in a regular PDF editor is a classic security disaster — anyone can still select, copy or search the text underneath. When you apply redactions in Folio, every redacted page is flattened and rasterized with the opaque black boxes burned in on top, permanently destroying the underlying text and vector data.
Merge & Organize PDF →
Clean up messy multi-page PDFs before you send them. Folio lets you append additional PDF files, rotate sideways scans, crop margins, delete blank pages, or split out a clean page range — all locally in your browser.
Questions about Folio
Does Folio add a watermark to signed PDFs?
No. Signed PDFs exported from Folio are completely clean and watermark-free.
Can I fill out a flat scanned PDF form?
Yes. Use Folio's Text Box and Stamp tools to place text, checkmarks and your signature anywhere on a scanned page.