File format · RAW

.ERF — Epson RAW Format (TIFF-based)

Epson RAW Format (TIFF-based). A RAW image format used by Epson cameras.

.erf
File extension
RAW
Type
R/W
ExifTool support (R/W/C)

What is a .erf file?#

Epson RAW Format (TIFF-based). A RAW image format used by Epson cameras.

Made by: Epson.

How to open and convert it#

Open & edit: Adobe Lightroom / Camera Raw, Capture One, DxO PhotoLab, darktable and RawTherapee (free), or the manufacturer's own free software. Windows and macOS preview most RAW formats natively after updates.

Convert: Adobe DNG Converter (free) turns proprietary RAW into DNG; any RAW editor exports JPEG or 16-bit TIFF.

See all Epson cameras.

Read metadata: exiftool file.erf — see the EXIF tag reference.

Other RAW formats#

.3fr.arq.arw.cr2.cr3.crm.cs1.czi.dcr.dng.fff.gpr.iiq.k25.kdc.mef.mos.mrw.nef.nrw.pef.r3d.raf.raw

Frequently asked questions#

What opens .erf files?

Open & edit: Adobe Lightroom / Camera Raw, Capture One, DxO PhotoLab, darktable and RawTherapee (free), or the manufacturer's own free software. Windows and macOS preview most RAW formats natively after updates.

Convert: Adobe DNG Converter (free) turns proprietary RAW into DNG; any RAW editor exports JPEG or 16-bit TIFF.

See all Epson cameras.

Is .erf a RAW file?

Yes — it stores minimally processed sensor data from Epson cameras.

Last updated October 03, 2026 · How we calculate · Sources