![How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange](https://i.stack.imgur.com/FUFjk.png)
How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange
![How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange](https://i.stack.imgur.com/9mYn2.jpg)
How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange
![How to Darken a PDF?. Are you struggling with a PDF that's… | by Rachel Howe | ILLUMINATION | Medium How to Darken a PDF?. Are you struggling with a PDF that's… | by Rachel Howe | ILLUMINATION | Medium](https://miro.medium.com/v2/resize:fit:1400/1*9zEiveyWFyqQkPKrT-ErKw.png)
How to Darken a PDF?. Are you struggling with a PDF that's… | by Rachel Howe | ILLUMINATION | Medium
![How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange](https://i.stack.imgur.com/3f6ae.jpg)
How can I simultaneously darken all black text in a PDF of an old scanned book? - Graphic Design Stack Exchange
![How to Darken a PDF?. Are you struggling with a PDF that's… | by Rachel Howe | ILLUMINATION | Medium How to Darken a PDF?. Are you struggling with a PDF that's… | by Rachel Howe | ILLUMINATION | Medium](https://miro.medium.com/v2/resize:fit:1400/1*WiD-VwtxOZbuUDjVL5V7Gw.png)