The OmniTools Blog
Guides, tips and deep-dives to help you get more from free web tools.
How to Compress Images Without Losing Quality
Learn the difference between lossy and lossless compression and how to shrink images by up to 80% while keeping them crisp.
PNG vs JPG: Which Format Should You Use?
A clear, practical guide to choosing between PNG and JPG for the web, print and everything in between.
What is JSON? A Beginner's Guide
JSON is the language of modern APIs. Here is what it is, why it matters, and how to read and validate it.
What is Base64 Encoding (and When to Use It)
Base64 turns binary data into text. Learn how it works and where it is genuinely useful.
The Best Free PDF Tools Online in 2026
Merge, split, compress and convert PDFs without installing software or paying a cent.
The Benefits of QR Codes for Your Business
QR codes bridge print and digital. Here is how to use them well — and generate them for free.
10 Developer Productivity Tips Using Free Web Tools
Small utilities save big time. Here are ten browser tools every developer should bookmark.