Convert HEIC to BMP Online
Convert HEIC to BMP instantly — free, private, no upload to servers.
What Is a HEIC to BMP Converter?
A HEIC to BMP converter transforms iPhone HEIC photos into uncompressed Bitmap format. The file size increase is extreme — a 3 MB HEIC photo may become 20–50 MB as BMP. This conversion is only useful for legacy systems that require raw pixel data.
Why Convert HEIC to BMP?
Certain medical imaging systems, industrial cameras, and legacy Windows applications require BMP input. Converting HEIC to BMP extracts the photo data into a universally readable raw format.
Best For:
- Legacy systems requiring BMP from iPhone photos
- Industrial pipelines with BMP-only input
- Raw pixel extraction from HEIC
Technical Details
TweakFiles uses libheif 1.21 to decode HEIC (iOS 18+ supported), then writes 24-bit uncompressed BMP. File sizes are very large due to zero compression.
How to Convert HEIC to BMP in 3 Steps
Upload Your HEIC File
Drag and drop your HEIC image into the converter above, or click to browse. You can select multiple files for batch conversion.
Convert Instantly
Click the convert button and TweakFiles will instantly transform your HEIC file to BMP format — right in your browser, with no upload to any server.
Download Your BMP File
Click download to save the converted file. For multiple files, use the "Download All" button to get everything at once.
TweakFiles vs Other HEIC to BMP Converters
| Feature | TweakFiles | Convertio | CloudConvert |
|---|---|---|---|
| Price | Free forever | Freemium ($10/mo) | Freemium ($8/mo) |
| File Privacy | 100% client-side | Uploaded to servers | Uploaded to servers |
| Signup Required | No | After 10 files | After 25 files |
| Batch Conversion | Unlimited | 2 files (free) | 5 files (free) |
| Speed | Instant (no upload) | Depends on internet | Depends on internet |