Format comparison
JPG vs AVIF
JPG remains the safest photo exchange format; AVIF often wins on compression for modern sites using AV1 stills, with younger tooling and fallback needs.
Decision table
| Feature | JPG | AVIF |
|---|---|---|
| Compression efficiency | Good / familiar | Often better for photos |
| Transparency | No | Yes |
| Best for | Sharing everywhere | Optimized web delivery |
| Typical size | Small | Often smaller than JPG/WebP |
| Encode speed | Fast | Can be slower |
| Web support | Universal | Modern browsers |
| Fallback need | Rare | Recommended for legacy traffic |
Choose JPG when…
- Client deliveries and email
- CMS uploads that reject AVIF
- Quick edits in every photo app
- Mixed unknown audiences
Choose AVIF when…
- Performance-critical photo sites
- Greenfield apps on current browsers
- Teams already shipping next-gen images
- When WebP still feels too heavy
Verdict
Use JPG when compatibility is non-negotiable. Use AVIF when you control the frontend, can provide fallbacks, and want maximum photo compression.
Convert between them
Jump straight into a private browser converter — files are not uploaded to a server.
Keep exploring this topic
Stay inside the JPG / AVIF knowledge graph — sibling comparisons, best-format guides, and converters — not generic homepage links.
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