BMP to TIFF Converter: Free, Private, No Upload
Convert BMP files to TIFF in your browser. Lossless output, batch up to 20 files at once, no upload, no account, no watermark. Your files never leave your device.
- BMP to TIFF
- Batch up to 20 files
- No upload, no account
- Metadata stripped
- 1Add up to 20 images
- 2Pick from 18 formats
- 3Download or copy the code
Processed on your device. Your images are never uploaded, and metadata is stripped. How we keep it private
How do I convert BMP to TIFF for free?
Drop your BMP files into the tool above, choose TIFF as output, and download the result. Everything runs in your browser, so nothing is uploaded and there is no limit or watermark. It works on Windows, Mac, Linux, ChromeOS, iOS and Android — anywhere you have a modern browser.
- Price
- Free, no credits and no daily cap
- Account required
- No
- File uploaded to server
- No, processed locally in your browser
- Batch limit
- Up to 20 files at once
- Input format
- BMP
- Output format
- TIFF
- Best for
- TIFF workflows, lossless quality, editing, printing
- Works on
- Chrome, Edge, Firefox, Safari, iOS and Android browsers
- Privacy
- No upload, no tracking, metadata stripped
- Output quality
- Lossless, exact pixels
How to convert BMP to TIFF
- 1
Drop your BMP files
Drag up to 20 BMP files onto the page or click to choose them. Everything runs in your browser.
- 2
TIFF is preselected
Output is already set to TIFF. Adjust quality, resize or batch if you want.
- 3
Download
Save each TIFF, or download all of them together as a ZIP.
BMP to TIFF: what changes and when it makes sense
BMP is a Bitmap image format. It is best known for a simple structure that legacy programs and embedded systems can read without a decoder library. The main drawbacks are enormous files and no reliable transparency.
TIFF is a Tagged Image File Format. It is best known for archival quality, high bit depth and CMYK support. The main drawbacks are large files and no display support in most browsers.
BMP vs TIFF at a glance
| Property | BMP | TIFF |
|---|---|---|
| Type | Raster image | Container format |
| Compression | Usually uncompressed (run-length encoding exists but is rare) | Flexible: uncompressed, lossless (LZW or ZIP) or JPEG-compressed |
| Transparency | None | Full alpha channel with soft edges |
| Animation | No | No |
| Colour depth | 1 to 32 bits per pixel | 8, 16 or 32 bits per channel, with CMYK, layers and multiple pages |
| Support | Opens in browsers and most desktop software, but almost never used on the web | Supported by professional editors, scanners and print workflows. Safari is the only major browser that displays it |
| History | Created by Microsoft for Windows 1.0 in 1985 as the native bitmap format for the Windows Graphics Device Interface. The "BM" signature has been unchanged since then. Still used in embedded systems and legacy Windows software. | Created by Aldus (later Adobe) in 1986 for desktop publishing and scanning. Owned by Adobe since 1994. Remains the professional standard for print, archival imaging and medical imaging. |
What actually changes in this conversion
- Both BMP and TIFF are lossless, so the pixels come through unchanged.
- BMP has no alpha channel, so every pixel is already opaque.
- Expect the TIFF file to be far smaller than the BMP source.
- Browser-based conversion works in 8-bit sRGB. Wide-gamut, 10-bit and 16-bit data are reduced. For colour-critical work, keep the original.
- EXIF, GPS and camera data are stripped on every conversion. That is good for privacy, but you lose capture dates.
About BMP: history and technical details
Created by Microsoft for Windows 1.0 in 1985 as the native bitmap format for the Windows Graphics Device Interface. The "BM" signature has been unchanged since then. Still used in embedded systems and legacy Windows software.
Technical: File header 14 bytes (signature, size, reserved, offset) followed by DIB header (40+ bytes). Supports 1, 4, 8, 16, 24, 32-bit pixels. Rows padded to 4-byte boundaries. Pixels can be stored bottom-up or top-down. Optional RLE4/RLE8 rarely used.
Real-world size: A 12-megapixel photo is 36 MB as 24-bit BMP. As JPG it is 2-4 MB (90% smaller). A 1920x1080 screen at 32-bit BMP is 8.3 MB; as PNG 200-600 KB.
Popular tools: Windows Paint, IrfanView, XnView, ImageMagick, GIMP, Adobe Photoshop, embedded dev tools.
Alternatives: PNG (lossless, 5-20x smaller), TGA (game pipelines), TIFF (professional print), JPG (lossy, much smaller).
About TIFF: what you get
Created by Aldus (later Adobe) in 1986 for desktop publishing and scanning. Owned by Adobe since 1994. Remains the professional standard for print, archival imaging and medical imaging.
Technical: Tag-based file structure with IFD (Image File Directory) entries. Supports CMYK, Lab, RGB, grayscale, bilevel. 8, 16, 32-bit depth. Multiple pages. Layers via extensions. Compression: none, LZW, ZIP, JPEG, PackBits.
Real-world size: A 300 DPI A4 scan is 25-50 MB as uncompressed TIFF. Same as PNG: 10-20 MB. As JPG at quality 90: 3-8 MB but with loss. Print workflows use TIFF because quality is preserved and CMYK is supported.
Popular tools: Adobe Photoshop, Adobe Illustrator, GIMP, ImageMagick, Capture One, Vuescan, SilverFast.
Alternatives: PNG (8-bit only, no CMYK), JPEG XL (future format), PSD (Photoshop native), PDF (for sharing).
Browser and software compatibility
BMP: Opens in browsers and most desktop software, but almost never used on the web. TIFF: Supported by professional editors, scanners and print workflows. Safari is the only major browser that displays it.
Browsers other than Safari will not display TIFF. Use it for print, scanning and archiving.
Why people move away from BMP
- A 12 megapixel photo saved as 24-bit BMP is roughly 36 MB because pixels are stored almost raw.
- BMP has no practical support for transparency, and almost no web workflow expects it.
Why people choose TIFF
- Print shops, publishers and archives often ask for TIFF as a lossless master.
- TIFF can hold 16-bit data, CMYK and multiple pages, which suits scans and professional workflows.
- Lossless storage means no generational loss across repeated edits.
Common mistakes with BMP
- Using BMP on web pages — files are 10-20x larger than PNG with zero benefit
- Expecting BMP transparency to work — most viewers ignore the alpha channel
- Converting large BMPs without checking disk space — can fill your drive
Best practices for keeping quality
- BMP is raw pixels, so the source has no compression damage. Convert at full size and choose the output quality freely.
- A browser conversion produces 8-bit RGB. If your printer asks for CMYK or 16-bit TIFF, you will need desktop software.
- Expect large files, and check any upload limit before saving.
- Resize before converting if the image will be shown small. A 4000 pixel photo displayed at 800 pixels wastes bytes in any format.
- Check the result at 100 percent zoom, especially around text, edges and gradients, before you replace any originals.
- Keep your original files. Conversions to a lossy format cannot be undone.
- When you convert a set of images, use the same quality setting for the whole batch. The converter handles up to 20 files at once.
BMP to TIFF questions
Quick answers about privacy, quality, supported formats, file limits and how TIFF works.
Why convert BMP to TIFF?
TIFF is lossless. It keeps every pixel exactly. It is the safe choice when you plan to edit, print or need exact pixel data.
Will converting BMP to TIFF lose quality?
No. TIFF is lossless, so nothing is thrown away.
Does TIFF keep transparency?
Yes. TIFF supports full transparency, so transparent areas in your original are kept.
Are my files uploaded?
Never. Everything runs in your browser. Your files never leave your device. Open DevTools Network tab while processing — you will see no upload request.
Can I convert many files at once?
Yes, up to 20 files at once. Download them individually or all together as a ZIP.
Does the converter strip metadata?
Yes. Browsers do not pass EXIF data through a canvas, so GPS, camera model and dates are removed on every conversion. That is good for privacy.
Is it free?
Yes. No credits, no daily cap, no account, no watermark. The practical limit is your device memory.
Is TIFF always lossless?
No. TIFF is a container that can hold uncompressed, LZW/ZIP lossless, or JPEG-compressed (lossy) image data. Most print workflows use lossless TIFF, but lossy TIFFs exist.
Can browsers display TIFF?
Only Safari. Chrome, Firefox and Edge do not natively render TIFF files. This is why TIFF is unsuitable for web pages and must be converted to PNG, JPG or WebP for web use.
Your files never leave your device
No upload, no account, no tracking. Everything happens in your browser using the Canvas API and WebAssembly. You can confirm this in your browser's DevTools Network tab while the tool runs — no request carries your file. See why ToolDeck is different.