The Toolerax Blog — Page 10
Practical guides and tips to get the most out of our tools — and the concepts behind them.
How to Convert JPG Images to a PDF
A complete guide to converting JPG and PNG images into a single PDF: page order, orientation, file size, DPI, scanning documents with a phone, and privacy.
Read articleHow to Split a PDF into Separate Pages
A complete guide to splitting PDFs: extract a page range, split every page into its own file, keep quality, and avoid common mistakes.
Read articleMastering CSS box-shadow
Understand every value in CSS box-shadow — offset, blur, spread, color and inset — and learn the layering trick behind realistic, modern shadows.
Read articleHow to Merge PDF Files for Free
A complete guide to merging PDF files free: how it works, keeping quality, page order, bookmarks, form fields, privacy and mistakes to avoid.
Read articleWhat Are UTM Parameters?
UTM parameters explained: what utm_source, medium, campaign, term and content do, how analytics reads them, and naming conventions that keep your reports clean.
Read articleBinary, Decimal, Hex & Octal Explained
How number bases work, converting binary to decimal and hex, why hex maps perfectly to binary, why computers use binary at all, and where each base shows up.
Read articleHow to Convert Time Between Time Zones
Converting time zones properly: UTC offsets, why daylight saving breaks fixed maths, the date-rollover trap, and scheduling meetings globally.
Read articleHow to Crop an Image the Right Way
A complete guide to cropping images: crop vs resize, the rule of thirds, aspect ratios for every platform, safe zones, and cropping without losing quality.
Read articleThe Anatomy of a URL
A clear breakdown of every part of a URL — scheme, host, port, path, query string and fragment — plus how tracking tags work.
Read articleHow to Remove an Image Background for Free
How AI background removal works, how to shoot photos that cut out cleanly, why hair and glass are hard, and why running it in your browser keeps photos private.
Read articleWhen to Use Base64 Images (Data URIs)
What data URIs are, the 33% size penalty, why inlining destroys caching, the few cases where it genuinely helps, and why most sites should not use it.
Read articlePNG vs JPG vs WebP: Which Should You Use?
A full comparison of PNG, JPG and WebP — transparency, compression, quality, file size and browser support — plus AVIF, SVG and a decision guide.
Read article