CONVERT
HEIF → BMP
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Fast, secure HEIF to BMP conversion. No registration required.
Situation. HEIF is the generic High Efficiency Image File container for HEVC and related codecs. Solution: a BMP, produced below. Need a BMP for a CMS, a chat message or an email client that politely refuses HEIF? This tool re-encodes your image in the background and returns a drop-in BMP replacement. No registration, no watermark, no visual change beyond what the BMP encoder itself introduces. In practice HEIF is the generic High Efficiency Image File container for HEVC and related codecs. On the other end, BMP is the uncompressed Windows bitmap format — bulky but pixel-perfect.
HEIF Image
Source formatHEIF (High Efficiency Image File Format) is the container format behind HEIC. It supports advanced features like image sequences, depth maps, and HDR but has limited cross-platform support.
BMP Image
Target formatBMP is an uncompressed raster image format native to Windows. Files are large but preserve exact pixel data with no compression artifacts. Rarely used on the web due to file size.
Why convert HEIF to BMP
Converting keeps the picture recognisable end-to-end while changing the container that ships it. BMP typically wins on one of three fronts: broader software support, smaller files for the same visual quality, or features like transparency that HEIF cannot express. The conversion itself is fast because both sides are raster formats.
HOW TO CONVERT
HEIF → BMP
Upload your HEIF
Start by dropping the HEIF onto the uploader. Files up to 25 MB go through on the free tier without registration; paid plans go up to 2 GB.
Conversion happens server-side
Our imagemagick-based pipeline reads the HEIF pixel grid, preserves resolution and colour profile, and encodes a clean BMP.
Grab the result
A download button appears as soon as the BMP is ready. Save locally or share the short-lived URL.
Common Use Cases
Share across platforms
Send BMP files to anyone without worrying about whether they have the right software for HEIF.
Embed in documents
Drop BMP output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
BMP often produces smaller files than HEIF for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
HEIF vs BMP — Strengths and limitations
What each format does best, and where it falls short.
HEIF Strengths
- ~50% smaller than JPEG at equivalent quality, with better detail retention.
- Container holds multi-image bursts, depth maps, and HDR data in one file.
- Supports 10 and 12-bit color, wide gamut, and HDR out of the box.
- Default iPhone camera format since 2017 — billions of files in existence.
Limitations
- HEVC codec inside .heic is patent-encumbered — licensing fees steered the web toward AVIF.
- Windows, Android, and most email clients needed plugins or recent updates to open HEIC.
- Encoding is CPU-intensive on older hardware.
BMP Strengths
- Dead-simple format — trivially easy to read and write.
- Lossless and uncompressed — perfect bit-exact pixel storage.
- Universally supported in Windows applications since 1985.
- Supports 1, 4, 8, 16, 24, and 32-bit color depths.
Limitations
- Enormous file sizes — no meaningful compression in typical use.
- Not a web format — browsers support it but nobody serves BMPs over HTTP.
- No metadata support (no EXIF, no ICC profile in practice).
HEIF vs BMP — Technical specifications
Side-by-side comparison of the technical details.
HEIF
- MIME types
- image/heif, image/heic
- Extensions
- .heif, .heic, .heifs, .heics
- Container
- ISO Base Media File Format (ISOBMFF)
- Codecs
- HEVC (H.265), AV1, VVC (H.266)
- Standard
- ISO/IEC 23008-12
BMP
- Extensions
- .bmp, .dib
- MIME type
- image/bmp
- Compression
- None (typical); RLE 4/8 bit (rare)
- Color depths
- 1, 4, 8, 16, 24, 32 bits per pixel
- Byte order
- Little-endian
| Specification | HEIF | BMP |
|---|---|---|
| MIME types | image/heif, image/heic | — |
| Extensions | .heif, .heic, .heifs, .heics | .bmp, .dib |
| Container | ISO Base Media File Format (ISOBMFF) | — |
| Codecs | HEVC (H.265), AV1, VVC (H.266) | — |
| Standard | ISO/IEC 23008-12 | — |
| MIME type | — | image/bmp |
| Compression | — | None (typical); RLE 4/8 bit (rare) |
| Color depths | — | 1, 4, 8, 16, 24, 32 bits per pixel |
| Byte order | — | Little-endian |
HEIF vs BMP — Typical file sizes
Approximate file sizes for common scenarios.
HEIF
- iPhone photo (12 MP) 1-3 MB
- Portrait mode (with depth map) 2-4 MB
- Burst of 10 shots 5-15 MB
- 4K ProRAW-equivalent HEIF 10-30 MB
BMP
- Small icon (32×32) 4 KB
- Screenshot (1920×1080) ~6 MB
- 4K image (3840×2160) ~25 MB
- Scanned A4 at 300 dpi ~25 MB
Quality & Compatibility
Converting keeps resolution, aspect ratio and colour profile identical to the source. Metadata (EXIF, XMP) transfers where BMP supports it; otherwise it is dropped. If the HEIF contained an alpha channel and BMP does not support transparency, the background is flattened to white by default.
Tips for Best Results
- When uploading to Retina / high-DPI contexts, render the BMP at 2× the CSS pixel size; the crispness gap over 1× is noticeable on modern screens.
- Strip EXIF metadata from the BMP before publishing if the HEIF came from a phone camera — it often contains GPS coordinates and device IDs.
- If the HEIF is a screenshot of text or UI, prefer a lossless BMP target to avoid the JPEG-style ringing around glyph edges.
Frequently Asked Questions
It depends on the codecs involved. If both HEIF and BMP are lossy, the pixels are re-encoded and a small amount of detail is discarded — invisible at default quality settings on photographs. If BMP is lossless (PNG, TIFF, BMP) the output keeps every pixel of the decoded HEIF exactly, but cannot recover detail that HEIF had already compressed away.
Often yes, especially when BMP is lossless. HEIF tuned for efficient web delivery will usually produce smaller files than BMP's default settings. If file size matters, drop the quality in Advanced or pick a more compressed target format instead.
KaijuConverter uploads over HTTPS, processes the image in an isolated container and deletes both the source and the output within two hours. No account is required, file contents are never logged, and we do not use uploads to train any model. For confidential material, the paid plan includes a data-processing agreement.
Related comparisons
See these formats side by side to understand which fits your use case best.
Related Guides
BMP Bitmap Format: The Complete Technical Guide
Everything about the BMP format: DIB header variants, pixel storage, color depths (1 to 32-bit), RLE compression, alpha channels, and BMP vs PNG vs TIFF.
Read guideHEIC/HEIF Format: Complete Guide to Apple's High Efficiency Image Format
Complete guide to HEIC/HEIF format: HEVC compression, multi-image containers, HDR support, Live Photos, and how to convert HEIC to JPEG, PNG, or WebP.
Read guideBMP Format: Windows Bitmap Images Explained — Headers, Compression & Use Cases
Learn what BMP files are, how the Windows Device Independent Bitmap format works, supported colour depths, compression options, and when to use BMP vs PNG.
Read guideSecure & Private Conversion
Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.