Why the file is invisible in your gallery
Android builds your gallery from a database called MediaStore, filled by a background media scanner. That scanner decides whether a file is an image largely from its extension. .jfif is not on its list, so the file is skipped — and Google Photos, Samsung Gallery and every other gallery app read from the same database.
So the photo is on your phone, in your Downloads folder, perfectly intact. It is simply not in the index the gallery reads from. The file itself is an ordinary JPEG; only the label is unusual, as our explainer on JFIF files sets out.
Method 1 — Open it in a file manager
Every Android phone ships with one.
- Open Files by Google (or My Files on Samsung).
- Tap Downloads, or Browse → Internal storage → Download.
- Tap the
.jfiffile.
If tapping it does nothing, long-press the file and choose Open with → Chrome. Chrome identifies images by their contents rather than their name, so it renders the file without complaint.
Method 2 — Rename it, and the gallery finds it
This is the actual fix rather than a workaround.
- In Files by Google, long-press the file.
- Tap the three-dot menu and choose Rename.
- Change the ending from
.jfifto.jpg. - Tap OK.
Nothing inside the file changes — the bytes were already a JPEG, so there is no re-compression and no quality loss. The media scanner picks up the renamed file, usually within seconds.
Still not in the gallery after renaming? The scanner has not run yet. Restarting the phone forces a full rescan and is the most reliable nudge. Moving the file into the Pictures or DCIM folder also prompts it.
Method 3 — Convert it in your browser
If you have several files, or you would rather not rename anything, our JFIF to JPG converter works in Chrome on Android.
- Open the converter in Chrome.
- Tap Choose files and pick the
.jfiffile from Downloads. - Tap Download — the converted
.jpgsaves to your phone and appears in the gallery.
The conversion happens on the phone itself. No file is uploaded, there is no account, and it works on mobile data or none at all once the page has loaded.
Which Android apps open JFIF?
| App | Opens .jfif? | Notes |
|---|---|---|
| Files by Google | Yes | Previews it directly. |
| Samsung My Files | Yes | Previews it directly. |
| Chrome | Yes | Reads contents, not the extension. Most reliable fallback. |
| Google Photos | No | Not indexed by the media scanner. Rename to fix. |
| Samsung Gallery | No | Same reason as Google Photos. |
| Gmail / Drive | Preview only | Shows it, but saving to the gallery may still fail. |
| Snapseed | Usually not | Reads from the gallery, so it inherits the same gap. |
Sending it to WhatsApp, Instagram or a form
These apps pick images from the gallery, so if the gallery cannot see the file, neither can they. Rename it to .jpg first and it behaves like any other photo.
Some apps let you attach from Files rather than the gallery, which bypasses the problem — but renaming is quicker and permanent.
If the file will not open anywhere
If Chrome also refuses it, the file is probably not a JPEG. Some sites serve PNG or WebP data under a .jfif name, and interrupted downloads leave truncated files.
Open our JFIF viewer in Chrome and add the file — it reads the first few bytes and reports what the file genuinely is, rather than trusting the extension. If it says PNG, rename it to .png instead and it will open immediately.
Stopping it happening again
If the files keep arriving from the same person, the cause is on their Windows PC: a registry value that makes browsers save downloaded JPEGs with the .jfif extension. Sending them the one-line fix solves it permanently at the source, for everyone they share photos with.