File tools and guides
Convert, compress and reshape files — without uploading them anywhere.
Tools
Guides
- JPG vs PNGOne throws away detail to get small, the other keeps every pixel exactly. Which is right depends on whether your image is a photograph or a graphic.
- What are HEIC files?HEIC is the format your iPhone saves photos in. Here is what it actually is, why Windows and older software refuse to open it, and what to do about it.
- What does PNG mean?PNG stands for Portable Network Graphics. It was built in 1995 to replace GIF after a patent claim, and it keeps every pixel exactly as it was.
- How to reduce file sizePhotos, video, PDFs and documents each shrink for different reasons. Here is what actually works for each, and where the sensible floor is.
- What is WebP?WebP is Google's image format, made to cut page weight. It works everywhere on the web and nowhere else, which is why a downloaded .webp file is so irritating.