raw2jpg

One command. 113 RAW files → 50MB JPEG. 98% smaller.

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