Invert PDF colours – free and no upload

Dark backgrounds become light: this saves a lot of toner when printing dark slides.

Invert colours – open in PDFMy now →

How it works

1. Click ‘Invert colours’ and choose the PDF.
2. In the save dialogue, ‘Invert colours’ is already selected.
3. Click ‘Save’.

Why PDFMy?

• Free – no registration, no subscription, no page limit.
• No upload – your files stay on your device (privacy-friendly under the GDPR).
• Everywhere – in the browser or as an app, on Windows, on the Mac and on your phone.
• From Paderborn – developed by Mentor GmbH (Mentor Group).

Frequently asked questions

Are images inverted too?

Yes. Everything on the page is inverted, including photos.

Is the file uploaded?

No. PDFMy works entirely on your device.

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