AVIF → JFIF
Convert AVIF images to JFIF entirely in your browser — no upload, no watermark, no sign-up.
Drop files here
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images · audio · video · documents · archives · Free: 200 MB per file · Pro: 5 GB
Your first conversion lands here automatically — saved on this device only, never uploaded.
100% Private
Runs in your browser. No upload.
Instant
No queue, no server roundtrip.
Offline-ready
Works after first load.
Switching a AVIF image to JFIF is usually about where it has to work rather than how it looks: one format is accepted, smaller or sharper in the place the picture is heading. JFIF (JPEG File Interchange Format) earns its place here: identical picture data to JPG with the standard interchange header. AVIF wraps the AV1 video codec around still images. It is the most efficient mainstream web image format today, often half the size of a comparable JPG at the same perceived quality.
AVIF wraps the AV1 video codec around still images. It is the most efficient mainstream web image format today, often half the size of a comparable JPG at the same perceived quality.
Converting AVIF to JFIF re-encodes the picture: dimensions and visible content stay the same, while file size and colour handling follow the JFIF encoder. Detail already discarded by earlier lossy compression cannot come back, so JFIF preserves what is there rather than restoring what is gone. Transparency survives only if JFIF supports an alpha channel.
What you gain with JFIF: Identical picture data to JPG with the standard interchange header.
Drop your AVIF file above and Morphio decodes it locally, then re-encodes it as JFIF using WebAssembly + the browser's native codecs. Nothing is ever uploaded — your files stay on your device. Free supports batches of 5 files; Pro supports batches of 250, subject to your device's memory. See exactly how in-browser conversion works.
Open the AVIF to JFIF page, drop your image on the drop zone and press convert. Morphio runs an in-browser image pipeline built on Canvas and WebAssembly codecs, so the AVIF data never leaves your device and no server ever receives a copy.
Colour profile and pixel dimensions are preserved; you choose the quality level before the file is written. Converting AVIF to JFIF only rewrites the container and encoding you asked for — the source file on your disk is never modified.
Yes. The free plan covers 10 conversions a day with files up to 200 MB and adds no watermark or sign-up. Morphio Pro ($5/month, or $29 once for lifetime access) removes the daily cap and raises the per-file limit to 5 GB.
Morphio decodes the AVIF file at full fidelity and re-encodes it at a high-quality JFIF setting, so the difference is normally invisible or inaudible. What conversion cannot do is recover detail the original AVIF file already threw away.
Yes — Free supports batches of 5 files and 10 conversions per day; Pro supports batches of 250 with no daily conversion cap. Your device's memory can impose a lower practical limit. Only usage counts reach the server, never files.
No. The conversion runs entirely inside your browser, so the file never leaves your device. The page and the required decoder must load first; free usage-limit checks may require a connection.