raw2jpg

Batch convert camera RAW files to JPEG from the command line, with quality and resize controls.

Supports 17 RAW formats from major camera manufacturers including Sony (ARW), Canon (CR2/CR3), Nikon (NEF), Fujifilm (RAF), and more. Uses system-native sips on macOS or dcraw on Linux/Windows — no extra setup needed on Mac.

Quick Start

npx raw2jpg ./photos --size 2k

Or install globally if you prefer:

npm install -g raw2jpg

Usage

npx raw2jpg [options] <input>

Options

| Option | Description | Default | |---|---|---| | -o, --output <dir> | Output directory | ./jpg_output | | -q, --quality <n> | JPEG quality 1-100 | 90 | | -s, --size <preset> | Size preset: original 4k 2k hd fhd | original | | -w, --width <n> | Max width in px (keeps aspect ratio) | — | | --height <n> | Max height in px (keeps aspect ratio) | — | | -c, --concurrency <n> | Files to convert in parallel | CPU cores | | --overwrite | Overwrite existing files | false | | --dry-run | Preview without writing files | false | | -v, --verbose | Verbose output | false |

Examples

# Convert all RAW files in a directory
npx raw2jpg ./photos

# Resize to 2K with 85% quality
npx raw2jpg ./photos --size 2k -q 85

# Custom output directory
npx raw2jpg ./photos -o ./exports

# Preview what would be converted
npx raw2jpg ./photos --dry-run

# Convert with 4 parallel workers
npx raw2jpg ./photos -c 4

Output:

Converting [==========] 113/113 | DSC05840.ARW | ETA: 0s

✓ Conversion complete!

  Files converted:  113
  Total input size: 2.6 GB
  Total output size: 50 MB
  Compression ratio: 98%
  Output directory:  /Users/user/photos/jpg_output

Supported Formats

| Extension | Manufacturer | |---|---| | .arw | Sony | | .cr2 .cr3 | Canon | | .nef .nrw | Nikon | | .raf | Fujifilm | | .orf | Olympus / OM System | | .rw2 | Panasonic | | .pef | Pentax | | .srw | Samsung | | .dng | Adobe DNG | | .3fr | Hasselblad | | .kdc .dcr | Kodak | | .erf | Epson | | .rwl | Leica | | .raw | Generic |

Notes

• macOS: Uses built-in sips — no additional installation required.
• Linux/Windows: Requires dcraw. Install via apt install dcraw or brew install dcraw.
• Size presets (--size) and explicit dimensions (--width/--height) cannot be combined.
• Failed files are skipped and reported at the end; the rest of the batch continues.

License

MIT