PDF guides and explainers

Short, practical walkthroughs for the jobs people bring to frisqoo. Every tool runs in your browser, so nothing here asks you to upload a file.

Frisqoo blog cover for 'Browser based vs server based PDF tools', labelled HOW IT WORKS, contrasting 'On your device' with 'On their servers', over the line 'Where your file actually gets processed.'
10 Aug 2026

Browser based vs server based PDF tools

Two kinds of PDF tools do the same job in very different places. Here is how each one works, and which to reach for depending on the file.
Frisqoo blog cover for 'How to read a privacy policy on a free tool', labelled PRIVACY, with the line 'Spot the clauses that risk your files.'
10 Aug 2026

How to read a privacy policy on a free tool

You do not have to read every word. Here are the few things worth finding in a free tool's privacy policy, and what their absence tells you.
Frisqoo blog cover for 'How to tell if a website uploads your file', labelled PRIVACY, with the line 'A 10-second check anyone can run.' and a '10-second test' badge.
10 Aug 2026

How to tell if a website uploads your file

Two simple checks, one of them ten seconds long, that show whether an online tool sends your file to a server or does the work on your own device.
Frisqoo blog cover for 'What to strip before you send a document', labelled CHECKLIST, with the line 'Clean these before sharing a document.'
10 Aug 2026

What to strip before you send a document

A pre-send check grouped by who receives the file: a recruiter, a lawyer, a client, an accountant. What to remove for each, and how the document should travel.
Frisqoo blog cover for 'What your PDF says about you', labelled METADATA, with the line 'Hidden data travels with every file.'
10 Aug 2026

What your PDF says about you

A PDF quietly records who made it, with what software, and when. Here is what is in that record, where it catches people out, and how to clear it before you share.
Frisqoo blog cover for 'Where documents actually leak', labelled SAFETY, with the line 'The everyday channels that expose files.'
10 Aug 2026

Where documents actually leak

Files rarely leak through hacking. Far more often it is a forward, an open share link, or a detail left inside the file. A plain look at where documents slip out, and how to stop it.
A PDF open in a browser with a secure padlock in the address bar, beside a shield badge marked with a question mark
07 Aug 2026

Are online PDF tools safe? What happens to your file

Most PDF websites send your file to a server. Here is what happens to it there, how long it stays, and how to check whether a tool uploads your file at all.