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Convert BMP to TIFF Online Free — Fast Batch Conversion
How to Convert Images Online
1Upload your BMP
Click the upload button or drag and drop your BMP file. Upload up to 10 files for batch conversion.
2Choose TIFF output
TIFF is selected by default on this page. Adjust quality settings if needed.
3Download
Click Convert and download your TIFF file. For multiple files you get a ZIP archive.
Supported Image Formats
BMP
Uncompressed bitmap format. Maximum quality but very large file size.
TIFF
Professional lossless format used in printing and photography.
HEIC
Apple photo format used by iPhone and iPad. High quality with small file size.
HEIF
High Efficiency Image Format — same as HEIC, used on Apple devices.
WebP
Modern image format by Google. Up to 30% smaller than JPG with the same quality.
PNG
Lossless format that preserves every pixel. Best for screenshots and logos.
JPG
Universal format for photos. Supported everywhere, great balance between quality and file size.
GIF
Classic format for simple animations. Supports transparency and up to 256 colors.
AVIF
Next-gen format with excellent compression. Up to 50% smaller than JPG.
PPM
Portable Pixmap format used in Unix/Linux environments.
HDR
High Dynamic Range format storing extended brightness data.
FITS
Flexible Image Transport System used in astronomy and science.
PDF
Portable Document Format. Convert PDF pages to JPG, PNG or WebP images.
AVIF vs WebP vs HEIC vs JPG
Quick comparison to help you choose the right format
AVIF
- Size: Up to 50% smaller than JPG
- Browsers: Chrome, Firefox, Safari
- Transparency: ✓
- Best for: Web performance
WebP
- Size: 25-35% smaller than JPG
- Browsers: All modern browsers
- Transparency: ✓
- Best for: Web compatibility
HEIC
- Size: ~50% smaller than JPG
- Browsers: Safari only
- Transparency: ✓
- Best for: iPhone storage
JPG
- Size: Baseline
- Browsers: All browsers & apps
- Transparency: ✗
- Best for: Universal sharing
Frequently Asked Questions
- Does BMP to TIFF lose quality?
- No. Both BMP and TIFF are lossless. The conversion preserves every pixel exactly. TIFF with LZW compression reduces file size without any quality loss.
- Why convert BMP to TIFF instead of PNG?
- TIFF is preferred in professional archival, prepress, medical imaging, and legal workflows. It supports multi-page documents, CMYK color, and is an ISO standard for long-term preservation. PNG is better for web and general use.
- Does TIFF reduce file size compared to BMP?
- Yes, with LZW compression — typically 2–5× smaller while remaining lossless. Uncompressed TIFF is roughly the same size as BMP.
- Can I combine multiple BMPs into one multi-page TIFF?
- Yes. Upload multiple BMP files and Convertify combines them into a single multi-page TIFF, preserving page order.
- Is TIFF better than BMP?
- For archival and professional use, yes. TIFF adds lossless compression, ICC profiles, multi-page support, CMYK color, and rich metadata that BMP lacks entirely.
- Can browsers display TIFF?
- Safari supports TIFF natively. Chrome, Firefox, and Edge have limited or no TIFF support. TIFF is not a web format — use PNG, WebP, or AVIF for the web.
- Which TIFF compression should I choose for BMP content?
- For photographs and gradients, LZW or ZIP/Deflate gives lossless results at 2–4× smaller than uncompressed TIFF. Important: for 16-bit data use ZIP, not LZW — LZW can actually inflate 16-bit images because high-entropy low bytes break its substring assumption. For black-and-white scanned documents, CCITT Group 4 is the standard — it achieves roughly 50:1 compression on text pages with zero quality loss. For maximum compatibility with older software, use no compression, though files will be similar in size to the source BMP.
- Does TIFF support features that BMP cannot?
- Yes, extensively. TIFF supports multi-page documents (multiple IFDs in one file — used for scanned contracts, fax archives, and medical DICOM exports), CMYK color space for print workflows, 16-bit and 32-bit float per channel for scientific imaging and HDR, embedded ICC color profiles via tag 34675, associated and unassociated alpha channels via the ExtraSamples tag (338), and six different compression schemes. BMP has none of these — it is limited to single-page, RGB-only, 8-bit per channel, with no reliable alpha and ICC support only in the rare V5 header.
Legacy to archival: what BMP to TIFF does
BMP is a raw pixel dump with minimal metadata. TIFF (Tagged Image File Format) is a structured, tag-based container that supports dozens of features BMP lacks: lossless compression (LZW, ZIP/Deflate), ICC color profiles for color-managed workflows, multiple pages in a single file, CMYK and Lab color spaces, 16-bit per channel depth, and a rich metadata system via IFD (Image File Directory) tags.
Converting BMP to TIFF wraps the raw pixel data in TIFF's structured container and optionally applies LZW compression — reducing file size by 2–5× with zero quality loss. This is a pure upgrade: nothing is lost, and significant capabilities are gained.
Why convert BMP to TIFF
The primary use cases are archival and prepress. Libraries, museums, government agencies, and legal firms that digitize documents prefer TIFF for long-term storage because it is an ISO-standardized format with guaranteed longevity. Court filings in many jurisdictions require TIFF/A format. Medical imaging workflows often require TIFF for pathology slides and radiology exports.
If you have BMP files from legacy scanners, Windows screenshots, or industrial equipment, converting to TIFF is the right archival step. TIFF preserves the original pixel data while adding metadata, compression, and multi-page capability that BMP cannot provide.
For web use, consider BMP to WebP or BMP to PNG instead — TIFF is not a web format and most browsers display it poorly or not at all.
LZW compression benefit
TIFF with LZW compression is lossless — every pixel is preserved exactly — but the file is typically 2–5× smaller than the uncompressed BMP. For a 1920×1080 BMP at 5.93 MB, the LZW TIFF is often 1.5–3 MB depending on image complexity.
LZW works best on images with repeating patterns, flat colors, and gradual transitions. Noisy photographic content compresses less effectively. Convertify applies LZW by default; uncompressed TIFF is available when the downstream system requires it (some legacy TIFF readers don't support LZW due to historical patent issues — the Unisys LZW patent expired in 2003–2004).
Metadata and ICC profiles
BMP has virtually no metadata support — no EXIF, no XMP, and ICC profiles only in the rarely-used BITMAPV5HEADER. TIFF supports full EXIF (camera settings, GPS, timestamps), XMP (Adobe metadata), and ICC color profiles via standardized tags.
Convertify can embed an sRGB ICC profile during BMP-to-TIFF conversion, ensuring the output displays consistently across color-managed applications like Photoshop, Lightroom, and prepress software. The BMP's pixel values are assumed to be sRGB unless otherwise specified.
Multi-page TIFF from multiple BMPs
A unique advantage of TIFF over BMP is multi-page support. If you have a series of BMP scans — pages of a document, frames from industrial imaging, or sequential medical images — Convertify can combine them into a single multi-page TIFF file.
This is standard practice in document management systems, fax workflows, and legal archiving. A 50-page document as 50 separate BMP files becomes a single TIFF with internal page navigation — much easier to manage, transmit, and archive.