Guides & Tutorials

Practical guides organized by topic. From optimizing game screenshots to formatting JSON — learn how to get the most out of free online tools.

PC Gaming

Guides for PC gamers: optimize screenshots, verify game files, edit configs, customize RGB setups, and more.

How to Optimize Game Screenshots for Social Media

June 12, 2026

Creating Custom Streaming Overlays and Thumbnails: Image Sizes and Formats Explained

June 11, 2026

Image Optimization

Everything about image compression, format conversion, resizing, and preparing images for web and social media.

Social Media Image Sizes in 2026: The Complete Cheat Sheet

June 4, 2026

How to Compress Images Without Losing Quality: A Complete Guide

June 2, 2026

JPEG vs PNG vs WebP: Which Image Format Should You Use?

June 1, 2026

Web Development

Web performance, PDF manipulation, SEO-friendly URLs, and other web development topics.

Understanding PDF Structure: How Merging, Splitting, and Editing Work

May 25, 2026

How to Create SEO-Friendly URLs: A Practical Guide

May 22, 2026

Web Performance: Why Image Format Choice Matters More Than You Think

May 20, 2026

Privacy & Security

Why browser-based tools matter for privacy, and how to keep your files safe online.

Privacy-First Web Tools: Why Your Files Should Stay on Your Device

May 30, 2026

Related tools: 🗜️ Image Compressor · 📑 Merge PDFs

Developer Tools

Practical guides for JSON, Base64, SHA hashes, and other developer utilities.

The Complete Guide to Base64 Encoding and Decoding

June 5, 2026

What Are File Hashes and Why Should You Care?

June 3, 2026

JSON Formatting Best Practices for Developers

May 28, 2026