Resources
Format guides
We Measured What Image Formats Actually Cost
Five test images, four formats, five quality settings, and the numbers that came out — including the case where lossless compression beats every lossy encoder.
Read the guideHEIC vs JPG: What's the Difference, and Which Should You Use?
Why your iPhone photos are HEIC, what you gain from it, and why you keep having to convert them anyway.
Read the guideJPG vs PNG: Which Image Format Should You Use?
The most common image format question, answered with the one rule that actually decides it.
Read the guideWebP vs JPG: Is WebP Actually Better for Websites?
Whether the smaller files are worth the compatibility trade-off, and where WebP genuinely loses.
Read the guideHow to Extract Audio From a Video
Turning a lecture, interview or music video into something you can listen to — and what quality to expect.
Read the guideHow to Make a Video File Smaller Without Ruining It
The three settings that matter, in the order they matter.
Read the guideMP4 vs MOV: Which Video Format Should You Use?
Two near-identical containers with very different real-world support.
Read the guideMP3 vs WAV: What's the Difference?
The difference is real, but converting between them only helps in one direction.
Read the guideCSV vs XLSX: Which Should You Use for Your Data?
Why your product codes lose their leading zeros, and which format to blame.
Read the guideJSON vs CSV: When to Use Each for Data
What actually happens to nested data when it becomes a table.
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