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ERF to PFM — Format Comparison & Online Converter

Fast, instant ERF (EPSON) to PFM conversion. No signup required. Just drop your .erf file and get .pfm in seconds.

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About ERF (EPSON) to PFM Conversion

ERF and PFM are both image formats, but they differ in important ways. ERF is a widely used file format. PFM is a widely used file format.

When you convert ERF to PFM, the goal is to convert between formats quickly. Converting ERF to PFM maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.

Your ERF file is decoded and re-encoded as PFM. The conversion involves 4 steps: (1) your erf file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in pfm format, (4) the converted file is ready for download.

CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.

This conversion is ideal when you When you need a PFM file. For the opposite direction, CocoConvert also supports PFM to ERF conversion.

How to Convert ERF (EPSON) to PFM

  1. 1

    Upload .erf file

    Select your ERF file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.

  2. 2

    Choose .pfm

    Set PFM as the output format. The converter uses optimal settings based on the ERF→PFM conversion profile.

  3. 3

    Convert

    The server-side engine decodes your ERF file and re-encodes it as PFM. Processing time depends on file size and complexity.

  4. 4

    Download result

    Grab your converted .pfm file. Multiple output files can be downloaded together.

What Happens When You Convert ERF (EPSON) to PFM

Your ERF file is decoded and re-encoded as PFM.

1

Your ERF file is uploaded and validated

2

The file is decoded (parsed into its raw data)

3

The data is re-encoded in PFM format

4

The converted file is ready for download

Format Comparison

.erf

ERF (Epson)

.erf file

Extension.erf
MIME Typeimage/x-epson-erf
CategoryImage
.pfm

PFM

.pfm file

Extension.pfm
MIME Typeimage/x-pfm
CategoryImage

Should You Convert ERF (EPSON) to PFM?

When to Convert

  • When you need a PFM file

Frequently Asked Questions

What is the difference between ERF and PFM?

ERF is a widely used file format. PFM is a widely used file format.

Does ERF to PFM conversion affect quality?

Converting ERF to PFM maintains high quality with CocoConvert's optimised encoder settings.

Which format has better compression, ERF or PFM?

ERF is a common image format. PFM is widely supported. The better choice depends on whether you prioritize file size or quality.

How long does ERF to PFM conversion take?

Most conversions finish in seconds. Larger files or complex image content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.

Is ERF or PFM better for long-term storage?

Both formats use lossy compression, so consider keeping your original source file for long-term storage.

Powered by — installed on our conversion workers
ImageMagick 7.1 (locked policy.xml)libheif 1.xlibjxl-tools 0.11.xLibRaw / dcraw_emu 0.21.xSharp 0.34.x (Node)

Versions are pinned in our worker Dockerfile and re-built via CI on every change.