Image Conversion
Convert JPG to PEF Online — Free
Fast, free JPG to PEF converter. No registration required.
或从以下导入
200万+文件已转换
数千用户的信赖之选
安全传输
HTTPS 加密上传
隐私优先
文件处理后自动删除
无需注册
即刻开始转换
随处可用
任何浏览器，任何设备
如何转换
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.
什么是 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.
格式详情
- 全称
- JPEG Image
- 扩展名
- .jpg
主要特点
- Universal support
- Small file sizes
- Great for photos
- Adjustable quality
什么是 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.
格式详情
- 全称
- Pentax Electronic File
- 扩展名
- .pef
主要特点
- Pentax cameras
- RAW quality
- Full sensor data
- Lossless option
JPG 与 PEF 对比
| 特性 | JPG | PEF |
|---|---|---|
| 全称 | JPEG Image | Pentax Electronic File |
| 扩展名 | .jpg | .pef |
| 最适合 | Universal support | Pentax cameras |
常见问题
Converting between lossless formats (PNG, BMP, TIFF) preserves perfect quality. For lossy formats like JPG and WebP, you can adjust the quality slider to control compression. Default settings prioritize visual quality.
Transparency is preserved when converting to formats that support it (PNG, WebP, TIFF, GIF). If the target format doesn't support transparency, a white background is applied.
Yes. Upload your HEIC files and convert to JPG, PNG, or WebP instantly. Perfect for making iPhone photos compatible with any device or platform.
No resolution limit. We handle images of any size — from small icons to high-resolution photos and print-ready images.
Pro users can batch convert multiple images at once. Free users can convert one image at a time. All conversions are processed on our servers, so even large files convert quickly.