PDFbolt — Free online PDF tools
Help & FAQ
Answers to common questions about PDFbolt tools, file limits, privacy, and supported formats.
Answers to the questions we hear most about PDFbolt — how files are handled, what the upload limits are, which formats are supported, and how individual tools behave.
If something is not covered here, the Contact page is the best way to reach us and we aim to reply within a few business days.
Frequently asked questions
Are my files stored?
Most tools upload your file only while the job runs and remove it after you download the result. Some tools run entirely in your browser.
What are the upload limits?
Typically up to 25 MB per file, 100 MB per request, 10 files at once, and 250 pages per PDF. Exact limits are shown under each tool.
Which browsers are supported?
Current versions of Chrome, Edge, Firefox, and Safari on desktop and mobile.