Edit your PDF file online in 3 steps
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Download your first file for free. Upload the PDF file you want to modify.
Modify Content
Use editing tools to add text, images, and more.
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in the media
Who funds our project?
Foundations and Institutions
Open Technology Fund
OTF strives to support technology-centric solutions for anyone affected by censorship, surveillance, and internet blocking in order to protect fundamental human rights.
Craig Newmark Philanthropies
Craig Newmark Philanthropies was created by craigslist founder Craig Newmark to support and connect people and drive broad civic engagement.
#StartSmall
#StartSmall is Jack Dorsey's philanthropic initiative to fund global crisis relief, girls health and education, and open internet development. Dorsey transferred $1 billion (28% of his wealth) to #StartSmall in 2020.
Finland Freedom Org
Supporting non-commercial open-source initiatives that empower individuals with secure, private, and accessible document management tools worldwide.
Mozilla Foundation
Mozilla Foundation supports advocates, researchers, and engineers who are building a more open, private, and secure internet for everyone worldwide.
Ford Foundation
An independent, non-profit grant-making organization that actively supports digital justice, open internet privacy tools, and secure tech infrastructure.
Frequently Asked Questions
Is it safe to use PulsePDF?
Yes — keeping your files and data safe is a top priority for us. We’ve built in several layers of protection so you can use PulsePDF with complete confidence.
Do I need to install any software?
No, PulsePDF works entirely in your web browser. You can edit, convert, and compress files on any device without installing a thing.
How is the project funded?
PulsePDF is a 100% open-source, non-commercial security project funded by human rights foundations and civic organizations dedicated to free internet tooling.
Edit PDF online with powerful tools
Secure PDF Editing
Your files are encrypted during upload using secure SSL connections, so no one can see what you’re working on.
GDPR Compliant
We follow GDPR rules, which means your data is handled responsibly and only used with your permission.
