Combine multiple PDF files into one document.
Online PDF Editor
smartsignify lets you edit PDF documents online, right in your browser — add text, signatures, dates and checkboxes, then download the finished file. It's free, requires no sign-up, and your file is never uploaded to a server.
Drop your PDF here
or choose a file — you can also paste one
PDF only · up to 25MB · stays on your device
Files are edited on your device.
What you can do
You can modify PDF online for contracts, forms and reports, or change PDF online text and dates in seconds — no installs, no watermarks, and nothing leaves your device.
- Add and edit text anywhere on a page
- Draw, type or upload a signature
- Fill checkboxes, dates and initials
- Highlight, underline and white-out content
- Reorder, rotate and delete pages
- Download a clean, flattened PDF
- Freelance contract
- Lease agreement
- Marked-up worksheet
- Onboarding form
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Each one runs in your browser too — nothing gets uploaded.
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Split by range, extract pages or save every page separately.
PDF editor FAQ
- Can I edit a PDF online without downloading software?
- Yes. smartsignify runs entirely in your browser, so there's nothing to download or install and your file never leaves your device. Open your PDF, make your edits, and export the result directly to your computer or phone.
- How do I modify or change a PDF online for free?
- Open your file in smartsignify, then use the toolbar to add, modify or change text, signatures, dates and other elements. Download the updated PDF when you're done — it's free and no account is required.
- Is this PDF editor really free?
- Yes. Editing, signing and downloading PDFs with smartsignify is free and no account is required.
- Do my PDF files get uploaded anywhere?
- No. smartsignify opens and edits your PDF inside your browser, so the file stays on your device.
- Can I sign a PDF online with smartsignify?
- Yes. You can draw, type or upload a signature, place it anywhere on the page and export a flattened PDF.
- Does it work on a phone?
- Yes. smartsignify works in mobile browsers on iPhone and Android as well as on desktop.