Image Conversion
Convert JPG to PEF Online — Free
Fast, free JPG to PEF converter. No registration required.
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Works Everywhere
Any browser, any device
How to Convert
1
Upload your .jpg file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .pef file when it's ready.
What is JPG?
JPG (JPEG) is the most common image format for photographs. It uses lossy compression to achieve small file sizes while maintaining good visual quality.
Format Details
- Full Name
- JPEG Image
- Extension
- .jpg
Key Features
- Universal support
- Small file sizes
- Great for photos
- Adjustable quality
What is PEF?
PEF is Pentax's RAW image format used in K-series cameras. It stores unprocessed sensor data with full quality for post-processing flexibility.
Format Details
- Full Name
- Pentax Electronic File
- Extension
- .pef
Key Features
- Pentax cameras
- RAW quality
- Full sensor data
- Lossless option
JPG vs PEF
| Feature | JPG | PEF |
|---|---|---|
| Full Name | JPEG Image | Pentax Electronic File |
| Extension | .jpg | .pef |
| Best For | Universal support | Pentax cameras |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.