Blog
Tips, guides, and updates about Tools Pack and working with files, PDFs, data, and more.
- Mar 21, 2026
PDFs explained: what’s inside, why they’re everywhere, and why they’re annoying
A friendly guide to PDF structure (objects, xref, streams), plus real pros/cons and practical PDF tools.
Read article - Mar 21, 2026
CBZ files: the comic format that’s secretly just a ZIP
What the CBZ format is, why people use it for comics and manga, and how to create a CBZ file from images.
Read article - Mar 21, 2026
Timestamps, Unix Time, Timezones & Formats (without the headache)
A practical guide to epoch time, timezones, and ISO 8601 — plus a free Unix timestamp converter.
Read article - Jan 1, 2025
How to Merge PDF Online
How to Merge PDF Online Quickly, Secure and for Free
Read article