smartsignify

Sign, fill and mark up any PDF, right in your browser.

smartsignify is a free online PDF editor that runs entirely in your browser — add text, signatures, form fields and annotations, then download the finished document in seconds.

Edit a PDF Explore features

Free to start · No account needed · Nothing to install

Drop your PDF here

or choose a file — you can also paste one

PDF only · up to 25MB · stays on your device

Your PDF is opened and edited on your device.

Everything a document needs

A focused workspace built for filling in, signing and marking up documents — without the weight of a desktop suite.

Sign your way

Draw with a finger or stylus, type your name in a handwriting style, or upload a signature image.

Place it once, resize it, and reuse it on every page that needs it.

Fill in forms

Checkboxes, radio buttons, dates and initials — placed exactly where they belong.

Tick, type and date a form without printing a single page.

  • Type anywhere

    Place text boxes on any page and control the font, size, colour and alignment.

  • Mark up documents

    Highlight, underline, strike through, add notes or cover content with whiteout.

  • Draw freely

    Freehand pen, arrows, lines, rectangles and circles with full colour control.

  • Manage pages

    Reorder by dragging, rotate, duplicate, delete, extract or insert blank pages.

What is smartsignify, in one paragraph?

smartsignify (smartsignify.com) is a free online PDF editor and signing tool. You open a PDF in your web browser, add text, signatures, initials, dates, checkboxes, highlights and drawings, then download a finished PDF. There is no sign-up, no software to install, and your file is never uploaded to a server — every edit happens on your own device.

  • Freelance contract
  • Lease agreement
  • Marked-up worksheet
  • Onboarding form

Four steps, start to finish

  1. 01

    Upload a PDF

    Drag it in, choose a file, or paste one from your clipboard.

  2. 02

    Add what you need

    Text, signatures, dates, checkboxes, highlights and drawings.

  3. 03

    Position it precisely

    Drag, resize, rotate and align with snapping guides.

  4. 04

    Download the result

    Your additions are drawn permanently into the PDF.

More PDF tools

Each one runs in your browser too — nothing gets uploaded.

Merge PDF

Combine multiple PDF files into one document.

Compress PDF

Reduce PDF file size with honest before-and-after numbers.

Split PDF

Split by range, extract pages or save every page separately.

View all PDF tools →

Questions people ask about smartsignify

Ready when you are

Drop in a document and start editing — nothing gets uploaded to a server.

Edit a PDF