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JFIF to JPG converter

Convert JFIF to JPG in your browser. No upload and no account: the file never leaves your device, so the only size limit is your device’s memory.

I want JPG
90%
Icon sizes
How to make the SVG

Tracing suits logos, icons and flat artwork and scales cleanly. Photos are better kept as pixels inside the SVG.

16
50%
Dither Scatters black dots to suggest gray, instead of a hard cut-off.
Advanced 5
Keep the animation For animated GIF, WebP and APNG sources. Turn off to save just the first frame.
Rotate
Mirror horizontally
Mirror vertically

For an exact width and height, use the Resize Image tool instead.

Bytes of your files sent anywhere: 0 B

Related conversions

Other ways to convert JFIF

Convert other formats to JPG

Read more about the JFIF format and the JPG format, or see every image tool and all image conversions.

Should you convert JFIF to JPG?

Windows saved an image as .jfif and a form rejects it. It’s already a JPEG inside — we give it the right extension and a clean re-save.

Fine when you need JPG, but convert from the best copy you have. Both formats discard detail, so each round of JFIF to JPG to something else loses a little more; one conversion at a sensible quality is invisible.

JPG is also the more widely supported of the two: it opens everywhere, while JFIF is has patchy support.

JFIF is an ordinary JPEG photo that carries the .jfif extension; JPG is a lossy photo format that trades detail you can’t see for much smaller files. Use JPG for photographs you are sending, uploading or printing, especially when a form or app is fussy about formats.

JFIF and JPG compared
Property JFIF JPG
Compression Lossy Lossy
Transparency No No
Animation No No
Support Has patchy support Opens everywhere
Best for Nothing in particular — it is a JPEG with a confusing name Photographs that need to open anywhere and stay reasonably small
Introduced 1992 1992

How to convert JFIF to JPG

  1. 01

    Add your JFIF

    Drop your JFIF image onto the box, or click to choose it. It is read from your disk and stays there.

  2. 02

    Check the settings

    The output is already set to JPG. Change the quality if you want to; the defaults suit most files.

  3. 03

    Save the JPG

    Press convert and save the JPG. Several files come back together as a ZIP.

What changes when JFIF becomes JPG

Two lossy formats in a row

Converting JFIF to JPG decodes the picture and compresses it again, so the JPG carries both rounds of loss. Keep the quality at 85 or above and the second round is invisible; lower settings make blocky or smeared areas show quickly.

The size stays about the same

JFIF and JPG are close in size for the same content, so do this for compatibility rather than to save space. JFIF: The same size as the equivalent JPG. JPG: A 12-megapixel phone photo is usually 2–5 MB.

This page is put together from our notes on each format, choosing only what is true of JFIF and JPG, so every pairing states the same facts the same way. How these pages are made.

Why it doesn’t upload

Changing a picture’s format is work your browser already knows how to do. Sending your photos to a server first only adds waiting and risk, so nothing is sent.

How to check for yourself

Worth knowing

  • About the JFIF. People assume a .jfif file is a special format. It is a normal JPEG; the only real problem is forms that look at the extension and say no.
  • About the JPG. Re-saving a JPG again and again degrades it, because each save compresses the already compressed version. Keep an original and export to JPG once, at the end.
  • DDS, PSD, EXR, XWD and JPEG 2000 are read by the FFmpeg engine, a one-time 31 MB download.

Questions

Is a JFIF file the same as a JPG?

Yes — JFIF is the file layout most JPEGs use, and .jfif is just a different extension. Many upload forms only check the extension, which is why they reject it.

Will converting JFIF to JPG lose quality?

JPG is lossy, so some detail is discarded. The quality slider decides how much; the default of 90 is chosen so the difference is invisible in almost every photo.

Will the JPG be smaller than the JFIF?

The size stays about the same. JFIF and JPG are close in size for the same content, so do this for compatibility rather than to save space. JFIF: The same size as the equivalent JPG. JPG: A 12-megapixel phone photo is usually 2–5 MB.

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