Convert PEF to JPEG
Free PEF to JPEG converter. Usually a smaller file. No signup, and your files are deleted after 1 hour.
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Maximum file size: 100 MB per file
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How to convert PEF to JPEG
Quick answer: To convert PEF to JPEG: upload your PEF file, choose JPEG as the output format, click Convert and download the result. It takes a few seconds, needs no account, and your files are deleted from the server after 1 hour.
- Upload your PEF file by clicking the upload area, dragging it in, or pasting an image URL.
- Select JPEG as the output format.
- Click Convert and wait a few seconds.
- Download your JPEG file, or download several files at once as a ZIP.
What changes when you convert PEF to JPEG
- JPEG uses lossy compression. We encode it at quality 95 out of 100, so the difference is normally invisible.
- Photos usually get smaller when saved as JPEG.
- The RAW data is developed with standard settings into a normal image.
PEF vs JPEG at a glance
| Feature | PEF | JPEG |
|---|---|---|
| Full name | Pentax PEF RAW file | JPEG (Joint Photographic Experts Group) |
| Introduced | – | 1992 |
| Compression | Lossless | Lossy |
| Transparency | No | No |
| Animation | No | No |
| Best for | Professional photo editing with maximum detail | Photos, social media, email and web pages where small file size matters |
| Compatibility | Opens only in camera software and photo editors; browsers and phones cannot display it. | Opens in every browser, phone, computer and app. |
When to choose JPEG instead of PEF
Choose JPEG for photos, social media, email and web pages where small file size matters. Its main limit: it has no transparency, and saving a JPG again and again slowly lowers quality.
Stay with PEF if you need professional photo editing with maximum detail.
Related conversions
PEF to JPEG FAQ
How do I convert PEF to JPEG?
Upload your PEF file, select JPEG as the output format and click Convert. When it finishes, download the JPEG file. No software or account is needed, and your files are deleted after 1 hour.
Does converting PEF to JPEG reduce quality?
JPEG is a lossy format, so a very small amount of detail is traded for a smaller file. At the quality we use the difference is normally not visible. Convert from your original file when you can.
Will the JPEG file be smaller than the PEF?
For photos, usually yes. JPEG compresses images more efficiently than PEF.
Where can I open a JPEG file?
Opens in every browser, phone, computer and app.
Is it free and safe to convert PEF to JPEG here?
Yes. It is free for up to 20 files per day and 100 MB per file, with no sign-up. Files are processed on our server, never shared, and deleted automatically after 1 hour.
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