Looking to turn a TIFF into a RAF file? Here's the honest answer — and what actually works instead.
You can't convert TIFF to RAF. RAF is a camera's own RAW format — it only ever comes out of the camera.
RAF is the raw sensor data a Fujifilm camera writes at the moment of capture. It's produced by the camera's own hardware and firmware — software can read it, but nothing can manufacture a genuine RAF from a finished TIFF.
Your TIFF is a developed, final image. The extra sensor information a RAF carries — wider dynamic range, full color depth, untouched highlights — was discarded when the photo was first saved, and can't be put back.
RAF is proprietary to Fujifilm. Even other RAW formats (NEF, ARW, RAF…) aren't interchangeable with it — there is no universal "save as RAW" that produces a real RAF.
Every real RAW file is one of these camera-maker-specific formats, written by the camera itself:
TIFF is a high-quality, often lossless raster format used in photography, scanning and print. Files are large but preserve maximum detail.
How to open TIFF opens in Photoshop, GIMP, Preview and professional imaging software.
Full TIFF format guideRAF is Fujifilm’s raw photo format, capturing full sensor data from X-series and GFX cameras.
How to open RAF opens in Lightroom, Capture One and Fujifilm software.
Full RAF format guideLossless with transparency — perfect for graphics, logos and screenshots.
TIFF → PNGA small, universal photo format that opens everywhere.
TIFF → JPGA modern format with small files at high quality for the web.
TIFF → WEBPConvert your RAF and other camera RAW files to JPG, PNG or TIFF.
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