ToTube Tools guides

Understand the file,
then change it.

Practical format and optimization guides for people who have work to finish.

Formats

JPG vs PNG: which format should you choose?

A practical comparison of file size, transparency and the jobs each format handles best.

Optimization

Lossy, lossless and the quality slider—explained without the textbook fog.

Performance

When WebP helps, when it does not and how to move from JPG confidently.