Farben anpassen

Helligkeit, Kontrast, Sättigung und mehr in Ihrem PDF feinabstimmen.

Klick hier, um eine Datei auszuwählen oder per Drag & Drop reinziehen

Eine einzelne PDF-Datei

Deine Dateien verlassen nie dein Gerät.

So funktioniert's

1

Upload File

Click or drag and drop your PDF file to begin

2

Adjust Colors

Fine-tune color settings with real-time preview

3

Download

Save your color-adjusted PDF instantly

Verwandte PDF-Tools

PDF to Greyscale

Free online greyscale tool

Invert Colors

Free online invert colors tool

Scanner Effect

Make PDFs look scanned

Background Color

Change PDF background

Text Color

Change PDF text color

Häufig gestellte Fragen

Is adjust colors really free?

Yes! PDFBay is 100% free with no hidden fees, no signup required, and unlimited file processing.

Are my files private and secure?

Absolutely! All processing happens in your browser. Your files never leave your device, ensuring complete privacy.

Is there a file size limit?

No! Process files of any size, as many times as you want, completely free.