Guides & Tutorials
Practical guides to get the most out of TechSixtus Tools.
How to Merge PDF Files Online for Free
Combining multiple PDF documents into one file is easier than you think. Learn how to use our free Merge PDF tool in under 30 seconds.
How to Compress Images Without Losing Quality
Large images slow down websites and waste storage. Learn the best strategies for compressing JPG and PNG files while keeping them looking sharp.
10 Best Free Online Tools for Students in 2026
From plagiarism checkers to citation generators, these free tools will save you hours every week on your assignments and essays.
How to Format and Validate JSON Data
Messy JSON data can be hard to read and debug. Learn how to beautify, minify, and validate JSON with our free developer tool.
How to Generate Strong Passwords That Actually Work
Weak passwords are the #1 cause of account breaches. Here's the science behind strong passwords and how to generate them instantly.
Understanding Exchange Rates: A Beginner's Guide
Currency conversion can be confusing. This guide explains how exchange rates work and how to use our free currency converter.