Step 1: Drop your JPEG files using the button above or by deposit and leave.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Receive your converted JFIF files.
JPEG to JFIF Conversion FAQ
How do I convert JPEG to JFIF without losing image quality?
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Upload your JPEG file, then our converter applies format-aware quality optimization for JFIF output. For lossless formats (PNG, TIFF, BMP) we preserve every pixel; for lossy formats (JPG, WebP) you can tune the quality factor before download.
Will my CMYK colour survive the conversion to JFIF?
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It is converted to sRGB, because JFIF has no CMYK mode. For screen use that is exactly what you want. For commercial print it is not — the gamut shift changes how saturated colours reproduce on press, so send the printer the original JPEG rather than the JFIF. The .jfif extension confuses Windows and many web apps into refusing the file, which is usually the only reason anyone converts it.
What about EXIF metadata when converting JPEG to JFIF?
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In most conversions, camera EXIF fields such as the camera model and GPS position are not carried into the JFIF. There is no setting on this page to keep or remove metadata, so check the result with a metadata viewer if it matters.
Can I batch-convert hundreds of JPEG files to JFIF at once?
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Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.
What resolution and dimensions will my JFIF file have?
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Default behaviour is 1:1 — your JFIF output has the same pixel dimensions as the source JPEG. Use a separate /resize-image/ step after conversion if you need to downscale or upscale as part of the workflow.
How small can the JFIF file get without visible artifacts?
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For JPG / WebP, quality 75-85 typically gets the file 60-80% smaller than the source JPEG with no visible difference at normal viewing distance. For lossless targets (PNG, TIFF), expect smaller savings — usually 5-30% via better deflate / LZW compression.
Are my JPEG files private during conversion?
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Yes. Uploaded JPEG files are processed on our own servers and are never viewed or shared. Uploads and converted images are deleted automatically about 24 hours after conversion. The full privacy policy is at /privacy/.
Why is my converted JFIF file bigger / smaller than I expected?
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A JPEG file with strong compression (e.g. heavily lossy JPG) often grows when re-encoded to a lossless JFIF (PNG, TIFF), and a high-bitrate lossless JPEG often shrinks dramatically when going to JPG / WebP. The ratio depends on image content (photos compress differently from line art).
