Should I use JPEG or WebP?

For most use cases, WebP is the recommended default. Use JPEG when: maximum compatibility, simple photo delivery. Use WebP when: smaller files, modern delivery, mixed content.

Can I convert between JPEG and WebP?

Yes. Use optimo to convert between them with a single command. Run "npx optimo file --format webp" to convert from JPEG to WebP.

JPEG vs WebP

JPEG is the universal photo standard; WebP often delivers similar quality at smaller sizes and can also support transparency/animation.

Last updated: 2026-03-18

JPEG is the universal photo standard; WebP often delivers similar quality at smaller sizes and can also support transparency/animation. For most projects, WebP is the recommended default.

Key differences

Topic	JPEG	WebP
Compression	Lossy	Lossy or lossless
Transparency	No	Yes
Typical size	Baseline	Often smaller

When to use JPEG

Maximum compatibility
Simple photo delivery

When to use WebP

Smaller files
Modern delivery
Mixed content

Our recommendation

For most web projects, use WebP. WebP is best for smaller files. Choose JPEG when maximum compatibility.

Next steps

Optimize JPEG Compress JPEG Resize JPEG JPEG format guide

Convert between them

Convert JPEG to WebP Convert WebP to JPEG

Frequently asked questions

What is the difference between JPEG and WebP?: JPEG is the universal photo standard; WebP often delivers similar quality at smaller sizes and can also support transparency/animation.
Should I use JPEG or WebP?: For most use cases, WebP is the recommended default. Use JPEG when: maximum compatibility, simple photo delivery. Use WebP when: smaller files, modern delivery, mixed content.
Can I convert between JPEG and WebP?: Yes. Use optimo to convert between them with a single command. Run "npx optimo file --format webp" to convert from JPEG to WebP.