Regola colori

Regola luminosità, contrasto, saturazione e altro nel tuo PDF.

Clicca per selezionare un file oppure trascina e rilascia

Un singolo file PDF

I tuoi file non lasciano mai il tuo dispositivo.

Come funziona

1

Carica file

Click or drag and drop your PDF file to begin

2

Regola colori

Fine-tune color settings with real-time preview

3

Scarica

Save your color-adjusted PDF instantly

Strumenti PDF correlati

PDF in Scala di Grigi

Free online greyscale tool

Inverti Colori

Free online invert colors tool

Effetto scanner

Make PDFs look scanned

Colore di Sfondo

Change PDF background

Colore del testo

Change PDF text color

Domande frequenti

Is adjust colors really free?

Yes! TuHe PDF 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.