Question 1

Are these PDF tools free to use?

Accepted Answer

Yes. Every AllFileBox PDF tool is free with no sign-up, no watermark, and no credit card. The free tier handles files up to 10 MB, while Pro and Business plans unlock larger uploads and batch processing.

Question 2

How do I compress a PDF without losing quality?

Accepted Answer

Open Compress PDF, drop your file, and the tool reduces size by optimizing images and fonts while keeping text sharp. You choose the balance between smaller size and visual quality before downloading.

Question 3

Can I merge PDF files online for free?

Accepted Answer

Yes. Merge PDF combines several PDFs into one document in your chosen order, free and with no watermark. You can reorder pages before downloading the merged file instantly.

Question 4

Do my PDF files stay private?

Accepted Answer

Most PDF tools run entirely in your browser, so files never leave your device. When a server step is unavoidable, like OCR or repair, the file is encrypted in transit and auto-deleted within 30 minutes.

Question 5

Do I need to install any software?

Accepted Answer

No. Every PDF tool runs online in any modern browser on desktop, tablet or mobile. There is nothing to download or install and no account to create.

Question 6

Which PDF tools are most popular?

Accepted Answer

The most used PDF tools are Compress PDF, Merge PDF, and PDF to Excel, followed by PDF to Word and Split PDF. All are free and ranked here by real usage.

Free PDF Tools Online

Compare the top PDF tools

All PDF tools

Frequently Asked Questions

Tool	Processing	Free	No sign-up
Merge PDF	In browser	Yes	Yes
Compress PDF	In browser	Yes	Yes
PDF to Excel	In browser	Yes	Yes
PDF to Word	In browser	Yes	Yes
Split PDF	In browser	Yes	Yes
Rotate PDF	In browser	Yes	Yes