To convert HEIC to JPEG XL, run `npx optimo photo.heic --format jxl`. JPEG XL can be useful as a high-quality master in some workflows. Optimo handles format conversion and optimization in a single step.

## Command

Convert a file by targeting the output format:

```
npx optimo photo.heic --format jxl
```

Tip: add `--dry-run` to preview changes.

## Why convert?

- JPEG XL can be useful as a high-quality master in some workflows.
- Helpful for experimenting with modern image workflows.

## Format notes

### HEIC

A common camera output format (especially Apple devices) with efficient compression.

### JPEG XL

Next-gen image format designed for high quality and efficient compression.

## Frequently asked questions

### How do I convert HEIC to JPEG XL?

Run "npx optimo photo.heic --format jxl" in your terminal. Optimo handles the format conversion and applies optimization in a single step.

### Why convert HEIC to JPEG XL?

JPEG XL can be useful as a high-quality master in some workflows. Helpful for experimenting with modern image workflows.

### Does converting HEIC to JPEG XL 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.