Will converting HEIC to BMP restore the original quality?

No. Once HEIC Image has discarded data through lossy compression, that information cannot be recovered by converting to a lossless format like BMP Image. The output BMP file will faithfully preserve everything that is in the HEIC input, but it will not look or sound any better than the source. To get true full quality, start from an uncompressed master if you have one.

What happens to transparent areas when I convert HEIC to BMP?

BMP Image does not support an alpha channel, so any transparent or partially transparent pixels in your HEIC file will be flattened against a solid background — white by default. If you need to keep transparency, convert to a format that supports it (PNG, WebP, AVIF, or TIFF). If you must use BMP, consider compositing the image onto your intended background colour before converting so the result looks correct.

Why is the BMP file larger than the original HEIC?

Because BMP Image stores data without lossy compression while HEIC Image aggressively compresses. The increase is normal and expected — converting to lossless does not improve quality, it just packages the existing data without further loss. If file size matters, stay in a lossy format like HEIC.

When should I convert HEIC to BMP instead of staying with HEIC?

Convert when the application, device, or workflow you are targeting prefers BMP Image over HEIC Image. If your current HEIC file already opens and behaves correctly everywhere you need it to, there is no benefit to converting — keep the original. The most common reasons to switch are compatibility (a tool only accepts BMP), distribution (recipients expect BMP), or feature requirements specific to BMP Image.

What is the maximum HEIC file size I can convert?

MegaConvert accepts HEIC files up to 100 MB on the free service, which is enough for the vast majority of real-world HEIC Image files. If you have a larger file (typical for high-resolution video or uncompressed audio), please contact us — we can sometimes accommodate larger uploads for legitimate use cases.

Is my HEIC file safe and private when I upload it?

Yes. Your HEIC file is uploaded over HTTPS, processed in an isolated job environment, and deleted from our servers within one hour. We do not read, index, store, or share the contents of your file. No account is required, so the upload is not associated with a personal identity. See our privacy policy for the full details.

Convert HEIC to BMP

Free online HEIC to BMP converter. No signup required.

Drag & drop your file here

or click to browse

Max file size: 100 MB

Why Convert HEIC to BMP?

Understand when and why this conversion makes sense for your workflow.

Converting HEIC Image to BMP Image is a common task for web developers, designers, and photographers who need to balance visual quality against file size and compatibility. Different image formats serve different purposes: some prioritize small file sizes for faster page loads, while others preserve lossless quality or support features like transparency. Choosing the right format for your use case can dramatically affect how your images look and how quickly they load across devices and browsers.

HEIC Image has a known limitation: limited support on Windows and Android without additional codecs. In contrast, BMP Image offers a key advantage: completely lossless with no compression artifacts. While HEIC Image is commonly used for default photo format on iphones and ipads, BMP Image is better suited for windows system graphics and clipboard operations.

Our free online converter handles the HEIC-to-BMP conversion in seconds, with no quality loss beyond what the target format inherently requires — no watermarks, no account needed.

HEIC vs BMP: Format Comparison

Side-by-side comparison of the source and target formats.

Property	HEIC (Source)	BMP (Target)
Extension	.heic	.bmp
Full Name	HEIC Image	BMP Image
Compression	Lossy	Uncompressed
File Size	Small	Large
Transparency	Yes	Yes
Animation	No	No
Best For	Default photo format on iPhones and iPads	Windows system graphics and clipboard operations
Browser Support	Limited	Limited

How to Convert HEIC to BMP

Follow these simple steps to convert your file in seconds.

Upload your HEIC image
Drag your .heic file onto the upload area, or click "Browse" and pick it from your device. HEIC Image files up to 100 MB are accepted, which covers most photos, screenshots, and high-resolution scans. The file is uploaded over HTTPS and is never visible to anyone but you.
Click "Convert to BMP"
Once the upload completes, press the convert button. The image is decoded from HEIC Image, color-managed where the target format requires it, and re-encoded as BMP Image. Default settings produce a sensible balance of quality and file size — no manual encoder tuning is required for typical use.
Wait for the BMP encode to complete
Most image conversions complete in under five seconds. Larger images, batch jobs, or vector files with thousands of paths can take a little longer. The progress bar updates in real time and you can leave the tab open in the background — the conversion runs server-side.
Download your .bmp file
When the conversion finishes, click the download link to save the new BMP Image file to your computer. The file is yours — no watermarks, no expiration on the file itself, and no MegaConvert account is required to download it.

Tips for Converting HEIC to BMP

Practical advice to get the best results from this conversion.

Why this conversion is worth doing

HEIC Image has a known limitation: limited support on Windows and Android without additional codecs. BMP Image addresses this with a key advantage: completely lossless with no compression artifacts. Converting from HEIC to BMP is most worthwhile when this specific trade-off matters for the way you intend to use the file.

Match the format to the actual workflow

HEIC Image is most commonly used for default photo format on iphones and ipads, while BMP Image is the standard for windows system graphics and clipboard operations. If your workflow is closer to the second pattern, converting makes sense. If you are still working in a context where HEIC is the norm, converting may create unnecessary compatibility friction with collaborators or tools that expect the source format.

Watch for this limitation in the BMP output

BMP Image has its own limitation worth understanding before you commit: very large file sizes due to lack of effective compression. After the conversion completes, open the BMP file and verify that this limitation does not affect your specific use case — for some workflows it is irrelevant; for others it can be a deal-breaker.

Choose the right format for your content type

HEIC and BMP suit different image types. Lossy formats like JPG work well for photographs with gradual color transitions, while lossless formats like PNG, BMP, and TIFF are better for graphics with sharp edges, text overlays, or flat areas of color. Picking the wrong format can introduce artifacts or unnecessarily inflate file sizes.

Understanding HEIC and BMP Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

HEIC Image

image/heic

HEIC (High Efficiency Image Container) is a container format based on the HEIF standard that stores images compressed with the HEVC (H.265) codec. It is the default photo format on Apple devices running iOS 11 and later, offering roughly 50% file size reduction compared to JPEG at similar quality. HEIC supports advanced features including image sequences, depth maps, and auxiliary data.

Advantages

Approximately 50% smaller file sizes compared to JPEG at equivalent quality
Supports 16-bit color depth, alpha transparency, and depth maps
Can store multiple images, live photos, and burst sequences in a single file

Limitations

Limited support on Windows and Android without additional codecs
HEVC codec is subject to patent licensing requirements
Not supported by most web browsers for direct display

Common Uses

Default photo format on iPhones and iPads
Space-efficient photo storage on Apple devices
Live Photos and burst sequences on iOS

Target Format

BMP Image

image/bmp

BMP (Bitmap) is an uncompressed or minimally compressed raster image format developed by Microsoft. It stores image data pixel by pixel with no quality loss, supporting color depths from 1-bit monochrome to 32-bit with alpha. BMP files are typically very large because most implementations store raw pixel data without compression.

Advantages

Completely lossless with no compression artifacts
Simple format that is fast to read and write
Native support in all Windows applications

Limitations

Very large file sizes due to lack of effective compression
Not suitable for web use due to excessive file sizes
Limited metadata support compared to modern formats

Common Uses

Windows system graphics and clipboard operations
Intermediate format in image processing pipelines
Legacy application compatibility

Frequently Asked Questions

Common questions about converting HEIC to BMP.

Related Conversions

Explore other conversions related to HEIC and BMP.

Other conversions from HEIC

HEIC to JPG HEIC to JPEG HEIC to PNG HEIC to GIF HEIC to TIFF HEIC to TIF HEIC to WEBP HEIC to HEIF HEIC to SVG HEIC to ICO

Other conversions to BMP

JPG to BMP JPEG to BMP PNG to BMP GIF to BMP TIFF to BMP TIF to BMP WEBP to BMP HEIF to BMP SVG to BMP ICO to BMP

Convert HEIC to BMP

Why Convert HEIC to BMP?

HEIC vs BMP: Format Comparison

How to Convert HEIC to BMP

Upload your HEIC image

Click "Convert to BMP"

Wait for the BMP encode to complete

Download your .bmp file

Tips for Converting HEIC to BMP

Why this conversion is worth doing

Match the format to the actual workflow

Watch for this limitation in the BMP output

Choose the right format for your content type

Understanding HEIC and BMP Formats

HEIC Image

Advantages

Limitations

Common Uses

BMP Image

Advantages

Limitations

Common Uses

Frequently Asked Questions

Will converting HEIC to BMP restore the original quality?

What happens to transparent areas when I convert HEIC to BMP?

Why is the BMP file larger than the original HEIC?

When should I convert HEIC to BMP instead of staying with HEIC?

What is the maximum HEIC file size I can convert?

Is my HEIC file safe and private when I upload it?

Related Conversions

Other conversions from HEIC

Other conversions to BMP