TIFF vs BMP: Compression, Quality, and When to Use Each

TIFF (Tagged Image File Format) supports lossless compression, layers, and multi-page documents. BMP (Bitmap) stores raw pixel data with no compression at all. Both preserve full image quality, but TIFF files are typically 50-70% smaller because of LZW or ZIP compression. BMP exists mainly for legacy compatibility on Windows systems.

File Size

A 4000x3000 pixel image at 24-bit color takes about 36 MB as BMP. The same image as TIFF with LZW compression drops to 10-18 MB depending on content complexity. TIFF can also store uncompressed data if you need it, but there is rarely a reason to do so when lossless compression is available. BMP has no compression options at all, so every pixel gets stored at full size regardless of image content.

Features and Flexibility

TIFF supports layers, alpha channels, CMYK color space, 16-bit and 32-bit depth, ICC color profiles, and multi-page documents in a single file. It can embed rich metadata including EXIF, IPTC, and XMP data. BMP supports only single flat images with no layers, no CMYK, and minimal metadata. If you need anything beyond basic pixel storage, TIFF is the only option between these two.

Compatibility

BMP opens natively on every Windows machine without any extra software. It also works in most image editors and viewers across platforms. TIFF is universally supported in professional software like Photoshop, GIMP, and Lightroom, but some basic image viewers and older web browsers do not handle TIFF files well. Neither format works on the web. For websites, convert to PNG, WebP, or JPEG instead.

Professional Use

TIFF is the standard for print publishing, medical imaging, GIS mapping, and document archival. Print shops expect TIFF files because they support CMYK and preserve color accuracy. BMP is used in some scientific applications where exact pixel values matter and no processing overhead is acceptable. Windows system icons and wallpapers historically used BMP, though PNG has largely replaced it.

Which to Choose

Use TIFF for anything professional: print, archival, scanning, or multi-layer editing. Use BMP only if you have a legacy system that requires it or you need guaranteed zero-processing pixel storage. For everyday use, neither format is practical. Convert to JPEG for photos or PNG for graphics with transparency.

Need to convert images for web use? Our image to WebP converter produces small files with excellent quality. For more format comparisons, check out TIFF vs JPG, BMP vs JPG, and TIFF vs PNG.