The TooleraAI Blog
Guides, tips and how-tos for getting the most out of our free online tools.
How to Compress Images Without Losing Quality
Why most photos shrink by 50-80% with no visible difference, how to tell when you have gone too far, and when to resize instead.
How to Convert Images to PDF for Free (No Upload Required)
Turn JPG, PNG or WebP images into a single PDF in seconds — right in your browser, with nothing uploaded to a server.
How to Merge PDF Files Without Uploading Them Anywhere
Combining PDFs normally means handing your documents to a stranger's server. Here is why that is avoidable, and how browser-based merging works.
How to Create Strong Passwords You Won't Forget
A practical guide to generating passwords that are genuinely hard to crack, plus how to keep track of them safely.
JPG vs PNG vs WebP: Which Image Format Should You Use?
A practical guide to picking the right image format — what each one is actually good at, and the conversions worth making.
5 Ways Small Businesses Can Use QR Codes
QR codes are cheap, fast, and surprisingly versatile. Here are five practical ways to put them to work for your business.
How to Split a PDF and Extract Only the Pages You Need
Pulling one page out of a long document, splitting a scanned batch, and why screenshotting pages is the worst option available.
How to Calculate GST in India (Both Directions, Correctly)
Adding GST is easy. Removing it from an inclusive total is where the mistakes happen — and the intuitive method gives the wrong answer.