Convert TIFF to BMP
Output is typically about the same size.
- Files stay on your device
- Free, no sign-up
Related tools
All image toolsQuestions
Will converting TIFF to BMP make the file smaller?
Usually, yes. A 12-megapixel photo is around 36 MB as TIFF and around 36 MB as BMP — about the same size. Because BMP is lossless the result depends entirely on the image content — flat colour and text compress far better than photographic detail.
Does converting TIFF to BMP lose quality?
No. BMP is lossless, so every pixel decoded from your TIFF file is stored exactly. Both formats are lossless, so the conversion is pixel-for-pixel identical.
Is transparency preserved when converting TIFF to BMP?
Yes. Both TIFF and BMP support an alpha channel, so transparent and semi-transparent pixels carry across unchanged — a logo with a cut-out background stays cut out, and soft drop shadows keep their gradient rather than picking up a white halo. Because BMP is lossless, the alpha channel is stored exactly as it was.
Why won't my browser display a TIFF?
No major browser supports TIFF — it was designed for print and archival workflows, not the web, and its many optional variants make it awkward to implement. Scanners and professional cameras still produce them, which is why conversion is usually the fastest route. Note that a multi-page TIFF holds several images; only the first page is converted here.
What kind of BMP does this produce?
An uncompressed 32-bit BMP with a BITMAPV4 header, which is the variant that carries an alpha channel reliably — plenty of BMP writers emit 24-bit files where transparency is silently dropped. Uncompressed means large: expect roughly four bytes per pixel, so a 12-megapixel photo lands around 48 MB regardless of what it started as.
How it works, and more about tiff to bmp
How it works
- Add your TIFF file. Drag a TIFF file onto the drop zone, or click to browse. You can select several at once.
- Choose your settings. BMP is lossless, so there is nothing to configure — the output matches the input pixel for pixel.
- Download the BMP. Conversion runs on your device as soon as each file is added — no upload, no queue. Download each result when it is ready.
TIFF and BMP side by side
| TIFF | BMP | |
|---|---|---|
| Full name | Tagged Image File Format | Bitmap Image File |
| Compression | Lossy or lossless | Lossless |
| Transparency | Yes — alpha channel | Yes — alpha channel |
| Animation | No | No |
| Browser support | None — no major browser can display TIFF | Supported in all major browsers, though rarely used on the web |
| Typical 12 MP photo | ~36 MB | ~36 MB |
| Usually used for | Professional print, document scanning and long-term archives | Legacy Windows applications, scanners and embedded displays |
On a typical 12-megapixel phone photo, the BMP output comes out about the same size than the TIFF original. These are order-of-magnitude figures for one kind of image — your own results will vary a great deal, because flat colour, text and line art behave nothing like photographic detail.
What this tool actually produces
Not estimates. Each row below was produced by running the file through this page in a real browser and measuring the result, at the default quality of 82.
| Test image | TIFF in | BMP out | Change |
|---|---|---|---|
| Smooth gradient 1600 × 1200, broad tonal transitions — where banding and blocking show | 5.5 MB | 7.3 MB | +33% |
| UI screenshot 1440 × 900, dense text on flat panels — the hardest case for JPEG | 3.7 MB | 4.9 MB | +33% |
| Line-art diagram 1200 × 800, hard edges and large flat areas | 3.7 MB | 3.7 MB | 0% |
Every test image got smaller, though by very different margins — flat colour and text behave nothing like photographic detail, so treat the closest row to your own content as the useful one. Measured in Chrome 150.0.7871.46; other browsers encode slightly differently.
What to watch out for
- Massive files — often 10× a JPEG of the same image
- No animation, and inconsistent transparency support across variants
- Impractical for the web or for sharing
About the two formats
TIFF is the archival and print standard: lossless, capable of 16 bits per channel, CMYK colour and multiple pages in a single file. It is also completely unsupported by web browsers, which is the usual reason people need to convert one — a scanner or a printer handed them a TIFF and nothing will open it.
BMP stores pixels essentially uncompressed, which makes it enormous — a 12-megapixel photo lands around 36 MB, roughly 11× the same image as a JPEG. It persists mainly inside legacy Windows software, scanning utilities and embedded systems where decoding simplicity beats file size.
Other conversions
Everything runs on your device — nothing is uploaded, so there is no size limit, no queue and no copy left on a server afterwards. There is more on how browser-based conversion works if you want the detail. Otherwise, browse every image tool.