How to convert BMP to TIFF
- Drop your BMP files on the box above, or click it to choose them (up to 30 at once).
- Press Convert. Each file is processed on your device and shows its old and new size.
- Download the files one by one or take them all as a ZIP.
What changes when you convert BMP to TIFF
- Every decoded pixel is written exactly — TIFF is lossless here.
- BMP images have no transparency, so there is nothing to lose there.
- Camera details and GPS location (EXIF) are not copied into the new file. Photo orientation is applied to the pixels first, so the result is the right way up.
- Expect a much larger file: TIFF here is uncompressed, about width × height × 4 bytes — roughly 48 MB for a 12-megapixel photo.
About BMP and TIFF files
BMP is the old Windows bitmap format. It stores every pixel uncompressed, so files are very large, but almost any program — including very old ones — can read it.
TIFF is the format of printing, scanning and archiving. The files written here are uncompressed, so they are large, but every pixel is kept exactly. It is a good choice for print shops, scanning workflows and archives that ask for TIFF.
Limits
Up to 30 files of 25 MB each per batch and images up to 50 megapixels — beyond that browsers run out of memory, so the tool says so instead of producing a broken file. Files that are not images, or are damaged, are rejected with the reason.