draw

Sign PDF

Draw your signature and add it to a PDF

About this tool

Sign documents without printing them. Draw your signature on the canvas using mouse or touch, choose where to place it (first page, last page, or every page), pick a corner position, and download the signed PDF. The signature is rendered as an image overlay.

Related tools

merge

Merge PDF

Combine multiple PDF files into a single document. Drag to reorder before merging. Files never leave your device.

Tier A
call_split

Split PDF

Split a PDF into single pages, or extract specific page ranges. Output is delivered as a ZIP file.

Tier A
rotate_right

Rotate PDF

Rotate all pages, only odd, or only even pages by 90, 180, or 270 degrees.

Tier A
compress

Compress PDF

Re-encode embedded images at lower DPI to reduce file size. Three quality presets: screen, ebook, printer.

Tier A
picture_as_pdf

JPG to PDF

Combine JPG, PNG, WebP, or other images into a single PDF. Choose page size, orientation, and margins.

Tier A
image

PDF to JPG

Convert each PDF page to a high-quality JPG. Choose the resolution from 72 to 300 DPI.

Tier A
See all All PDF Tools
By Dakshesh · Web Engineer & SEO Specialist · Last updated 2026-05-09

Why use a sign pdf tool?

ShrinkTo's tools run entirely in your browser using modern JavaScript libraries. That means your files never leave your device — no server uploads, no third-party cloud, no data retention. The processing is fast, the workflow is simple, and your privacy is preserved by design.

Common use cases

Quick local edits

Make small changes without installing software.

Privacy-first workflow

Sensitive documents stay on your device.

No-signup convenience

Use immediately — no account required.

Cross-platform

Same tool works on phone, tablet, laptop, desktop.

How to use this tool

  1. Upload your file. Drag-and-drop or click to browse.
  2. Configure options. Set the parameters you need.
  3. Run the tool. Processing happens in-browser.
  4. Download result. File ready to use.

Frequently asked questions

Are my files uploaded?
No. Everything runs in your browser locally.
Is this really free?
Yes — no signup, no watermarks, no caps.
Will it work on my phone?
Yes — any modern browser supports our tools.
What about file size limits?
Up to 50 MB per file. Browser memory is the practical ceiling.
How is privacy guaranteed?
Open your DevTools Network tab during use — you'll see zero outbound data.
verified
Privacy by design.

All processing happens in your browser using JavaScript libraries. Your files never reach any server. No accounts, no tracking, no data retention.