Format comparisons, verdict first

Ten honest head-to-head guides across the formats our tools handle every day. (10 guides and counting.) Each one opens with the verdict, shows the trade-offs in a table, and links to free converters that run entirely in your browser — your files never leave your device.

• WebP vs AVIF: which image format should you use?

  AVIF compresses smaller; WebP is the safer, faster default.

• MP4 vs WebM: which video format should you use?

  MP4 plays everywhere; WebM streams smaller on the web.

• PNG vs JPG: which image format should you use?

  Photos go JPG; transparency and text go PNG.

• SVG vs PNG: which image format should you use?

  Logos and icons go SVG; photos go PNG.

• JSON vs YAML: which data format should you use?

  APIs and payloads go JSON; hand-edited config goes YAML.

• PDF vs DOCX: which document format should you use?

  Send and archive as PDF; draft and edit as DOCX.

• HEIC vs JPG: which photo format should you use?

  Store as HEIC; share as JPG.

• MP3 vs WAV: which audio format should you use?

  Listen and share as MP3; record and master as WAV.

• CSV vs JSON: which data format should you use?

  Flat tables go CSV; nested data and APIs go JSON.

• GIF vs MP4: which animation format should you use?

  Web animation goes MP4; stickers and email loops stay GIF.