Is SagePDF safe to use?

Yes. All processing happens in your browser. Your files never leave your device or get uploaded to any server.

Do files upload to servers?

No. Everything runs client-side. We never see, store, or transmit your documents.

Yes. No signup, no hidden limits, no payment. Use it as often as you need.

Can I use this for large PDFs?

Yes. Very large files may take longer depending on your device, but there are no artificial limits.

Does this work on mobile?

Yes. SagePDF runs in your browser, so it works on phones, tablets, and desktops.

Invert Colors Online

Use SagePDF to invert colors online. Create a dark mode version of your PDF. Use SagePDF in your browser—no uploads, no signup, your files stay on your device.

This tool is coming soon.

We’re building more PDF tools that run entirely in your browser. Check back later or try one of the tools above.

How to use

Add files

Drag and drop your files or click to browse. Your files stay in your browser and never leave your device.

Process

Run the tool. All processing happens locally in your browser—no uploads to our servers.

Download

Download your result. No account required.

Frequently asked questions

Adjust Colors
Adjust brightness, contrast and saturation.
PDF Editor
Annotate, highlight and edit PDF documents.
Background Color
Change the background color of a PDF.