Image Tools
7 min readHow to Convert and Optimize Images Online: A Practical Guide to JPG, PNG, WebP and SVG
Learn when to use JPG, PNG, WebP, and SVG, then convert, resize, crop, and compress images without guessing at quality.
Knowledge
Tool Base Guides
Practical guides for converters, image tools, PDF utilities, media tools, developer utilities, text tools, and everyday calculators — written to help you choose a format and open the right tool.
Featured guide
All guides
Image Tools
7 min readHow to Convert and Optimize Images Online: A Practical Guide to JPG, PNG, WebP and SVG
Learn when to use JPG, PNG, WebP, and SVG, then convert, resize, crop, and compress images without guessing at quality.
PDF Tools
5 min readHow to Work With PDF Files Online: Convert, Compress, Merge, Split and Extract
A practical walkthrough of compressing, merging, splitting, converting, and inspecting PDFs without treating every file the same.
Media Tools
5 min readA Complete Guide to Video and Audio Conversion Online
Understand containers versus codecs, then convert, compress, trim, and extract audio without confusing a renamed file for a real conversion.
Developer Tools
4 min readThe Practical Guide to Text, JSON, HTML, CSS and Developer Utilities
Format, validate, minify, and transform JSON, HTML, CSS, SQL, regex, and everyday text with workflows that match real debugging — not keyword lists.
Calculators
4 min readOnline Calculators and Unit Converters: How to Get Accurate Everyday Results
Use the right formula for percentages, units, dates, and time zones — and treat tax or tip math as arithmetic, not professional advice.
File Tools
4 min readThe Complete Guide to Free Online File and Data Tools
Connect image, PDF, document, and structured-data workflows so you pick a format once, convert with intent, and download a result you can actually open.
Looking for a utility instead? Explore all online tools.