Resources
Practical guides for getting the most out of Riqa's PDF tools.
12 July 2026
Why I Built Riqa?
A visa application, an airport, and a charge on my bank statement I didn't expect. Here's why I built Riqa.
12 July 2026
How to Sign a PDF Online
Add your handwritten signature to any PDF without printing or scanning. Type, draw, or upload your signature, place it on the page, and download in seconds.
12 July 2026
How to Unlock a Password-Protected PDF Online
Remove password protection from a PDF in seconds. Upload the file, enter the password you already have, and download an unlocked copy — no software needed.
12 July 2026
How to Password Protect a PDF Online
Add a password and set permissions on any PDF in seconds. Control who can open, print, or edit the file — no software needed.
12 July 2026
How to Convert Images to PDF Online
Turn PNG and JPG images into a single PDF in seconds. Upload up to ten images, set the page order by dragging, and download — no software needed.
11 July 2026
How to Merge PDF Files Online
Combine multiple PDF files into one in seconds. Upload up to five files, drag to set the order, and download your merged PDF — no software needed.
11 July 2026
How to compress a PDF without losing quality
Riqa's Compress PDF tool reduces file size using Ghostscript with three quality presets — from smallest file for email to near-print quality — without installing any software.
9 July 2026
How to split a PDF into separate files?
Riqa's Split PDF tool lets you divide a PDF into multiple files by marking cut points between pages, or extract specific pages into a new document — all without installing any software.