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Supports: RAF
RAF is Fujifilm's RAW photo format — the unprocessed sensor data written by Fujifilm cameras, which most apps, browsers, and websites can't display. Converting to PNG renders that RAW into a standard, lossless image you can open, edit, and share anywhere. PNG keeps every pixel exactly as rendered (no JPEG-style compression artifacts), so it's the highest-quality way to get a RAF into a universal format. The trade-off is that once a RAF is rendered, you lose the wide editing latitude of RAW — so keep the original RAF if you might want to re-edit exposure or white balance later.
| Property | Value |
|---|---|
| Full name | Fujifilm RAW Image File |
| Type | Camera RAW (unprocessed sensor data) |
| Origin | Fujifilm digital cameras |
| Sensor pattern | X-Trans 6×6 color filter array on X-series bodies; Bayer on GFX medium format |
| Color depth | 12- or 14-bit linear RAW (camera-dependent) |
| Native browser support | None — must be rendered/demosaiced first |
| Best for | Maximum editing latitude before export |
| Editable after export | No — RAW latitude is baked in once rendered |
| Property | Value |
|---|---|
| Full name | Portable Network Graphics |
| Standard | ISO/IEC 15948:2003; W3C Recommendation (3rd ed. June 2025) |
| Compression | Lossless (DEFLATE) — no generation loss |
| Color depth | 1–16 bits per channel (up to 48-bit RGB / 64-bit RGBA) |
| Transparency | Yes (alpha channel) |
| Native browser support | Universal — every modern browser and image viewer |
| Best for | Lossless, share-anywhere export of a rendered RAW |
.raf file onto the page or click "+ Add Files" to select it. You can queue several RAFs and convert them with the same settings.No, the conversion to PNG itself is lossless — PNG uses DEFLATE compression that reconstructs every pixel exactly, so there are no JPEG-style artifacts. What you do give up is the RAW latitude: a RAF holds 12–14 bits of linear sensor data that lets you recover highlights, lift shadows, and reset white balance non-destructively. Once it's rendered to PNG, those adjustments are baked in. The pixels you see are preserved perfectly; the editing headroom is not.
RAF is raw sensor data, not a finished image. It has to be demosaiced (the camera's color-filter mosaic interpolated into full RGB) and have a tone curve and color profile applied before it becomes a viewable picture. No browser renders RAF natively, and many general image viewers skip it too, so converting to PNG produces a file that opens everywhere.
It can. Fujifilm's X-series cameras use an X-Trans color filter array — a 6×6 photosite pattern instead of the conventional Bayer 2×2 — which Fujifilm says reduces moiré and removes the need for an optical low-pass filter. The catch is that X-Trans data needs a different demosaicing algorithm than Bayer, and not every RAW engine handles it equally well. Our pipeline demosaics the RAF before writing PNG, so the rendered output reflects the X-Trans data; Fujifilm's larger GFX medium-format bodies use a standard Bayer array instead.
Choose PNG when you want a lossless master with no compression artifacts — for archiving a rendered frame, editing further in a graphics app, or any image with sharp edges or text. Choose JPG when file size matters more than perfect fidelity, such as web galleries or email, since JPEG is far smaller but discards data. If you need JPG instead, use RAF to JPG; for an editable layered round-trip, a TIFF export preserves more than either.
PNG itself supports up to 16 bits per channel (48-bit RGB / 64-bit RGBA), and you can select an 8-bit or 16-bit depth in Advanced Options. The original RAF is typically 12- or 14-bit linear data; choosing 16-bit PNG carries more of that tonal range into the file, which is useful if you plan to grade the image afterward. For most viewing and sharing, 8-bit PNG is the standard choice and produces a smaller file.
Yes. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion — no sign-up, no watermark, never shared or made public. The PNG you download is a standard file that opens in any browser, viewer, or editor without our service.
It varies, but PNG is usually larger per-pixel than you might expect because it's lossless. In our testing, a 26-megapixel RAF rendered to full-resolution 8-bit PNG produced files in the tens of megabytes, often larger than the source RAF; choosing 16-bit roughly doubles that. If you need a smaller share-friendly file, set a target file size in Advanced Options or export to JPG instead.
Not the in-camera version. Film simulations like Provia, Velvia, Astia, and Acros are colour and tone recipes Fujifilm applies inside the camera to the JPEG it generates — the RAF itself stores unprocessed sensor data, so the simulation is not baked into the raw pixels. When our pipeline renders the RAF to PNG it applies a neutral default development, not Fujifilm's exact in-camera recipe. If you need that specific look, first develop the RAF with the film simulation applied in Fujifilm's own software or a RAW editor, then export the result.
Only partially. PNG can store metadata in text chunks (and EXIF in the eXIf chunk added to the specification in 2017), but a rendered export usually carries little of the original shot data — camera model, lens, aperture, shutter, and ISO typically do not survive the render the way they do in a JPG or TIFF. If you need that metadata preserved, keep the original .raf as your archival master, since the RAW file holds the complete EXIF record.