Blog
When to use PDF Merger and PDF Splitter
A clear, practical guide explaining what a PDF Merger and a PDF Splitter are, and when to pick each tool for common tasks
Record Your Screen in the Browser
A web-based screen recorder runs entirely in your browser using standard web APIs
Merge PDF Files Online vs Adobe Acrobat
A concise comparison showing why THRJ Tech's PDF Merger is often the better choice for quick PDF merges
Why Is My PDF So Big? Understanding PDF Size and How Images Drive It
PDF files are convenient for sharing documents across platforms, but sometimes a seemingly simple PDF balloons into a very large file
Image Rotator Guide — Create Smooth Image Rotations in Your Browser
The Image Rotator is a lightweight, browser-based tool for rotating, previewing, and exporting images with precision
How to Split a PDF Without Losing Quality
A concise guide to using the PDF Splitter on THRJ. Split pages quickly while keeping original quality
What's the difference between JPG, PNG, and WebP
Practical comparison of JPG, PNG, and WebP for the web.
How to create a meme with Meme Generator
Step-by-step guide and tips for creating memes with THRJ's Meme Generator.
Image Converter — Convert images in the browser (JPG, PNG, WebP, AVIF, BMP, GIF, ICO)
A short guide to the Image Converter on THRJ describing how to convert images between formats and create ICO files for favicons.
Guide to merge multiple PDF files
How to combine multiple PDF files quickly and privately using THRJ's PDF Merger.