Convert JPEG to WebP
A practical, local workflow for converting JPEG to WebP with optimo.
Last updated: 2026-03-18
To convert JPEG to WebP, run npx optimo photo.jpg --format webp. WebP often reduces JPEG size at similar perceived quality. Optimo handles format conversion and optimization in a single step.
Command
Convert a file by targeting the output format:
npx optimo photo.jpg --format webp
Tip: add --dry-run to preview changes.
Why convert?
- WebP often reduces JPEG size at similar perceived quality.
- A good upgrade when you control delivery and want smaller files.
Format notes
JPEG
The classic photo format: widely supported, good quality-to-size for photographs.
WebP
Modern image format with great compression and broad browser support.
Not sure which to use?
If you're choosing a delivery format, here's a quick comparison.
More from JPEG
Frequently asked questions
- How do I convert JPEG to WebP?
- Run "npx optimo photo.jpg --format webp" in your terminal. Optimo handles the format conversion and applies optimization in a single step.
- Why convert JPEG to WebP?
- WebP often reduces JPEG size at similar perceived quality. A good upgrade when you control delivery and want smaller files.
- Does converting JPEG to WebP lose quality?
- Optimo uses sensible defaults that balance file size and quality. For lossless conversion (where possible), omit the --lossy flag. Add --dry-run to preview the result before committing.