Guides and notes

Practical explanations of file formats, what conversion can and cannot fix, and how in-browser processing works.

4 articles

Latest

How to Convert JPG to PNG Without Losing Quality

PNG is lossless and JPG is not, which creates a common misunderstanding about what a conversion can and cannot fix. Here is what actually happens to your pixels.

Read the article
Illustration of a JPG file becoming a PNG file
Illustration of a JPG file becoming a PNG file
Guides

How to Convert JPG to PNG Without Losing Quality

PNG is lossless and JPG is not, which creates a common misunderstanding about what a conversion can and cannot fix. Here is what actually happens to your pixels.

22 Sep 2026 1 min read
Diagram of a browser processing a file locally
Engineering

Why File Conversion Is Moving Into the Browser

WebAssembly, Web Workers and the File System Access API have changed what a web page can do with your files. Here is the architecture that makes local conversion practical.

4 Sep 2026 1 min read

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