HEIC To BMP Converter

Convert your HEIC images to BMP format.

Drag & Drop HEIC files here

Import a HEIC image directly from a public URL, Google Drive, or Dropbox.

Max file size: 100MB

🔒 Files are processed securely ⚡ Conversion happens in your browser 🗑️ Files are never uploaded or stored

ℹ️ BMP files are uncompressed, so output size may be significantly larger.

Your images are processed securely. No files are uploaded or stored on our servers.

Convert HEIC to BMP online to turn your iPhone photos into uncompressed BMP bitmap images. HEIC (High Efficiency Image Container) is Apple's compact photo format, while BMP stores raw, uncompressed pixel data that legacy Windows software and technical pipelines can read directly without any codec. Converting bridges your iPhone photos into older Windows applications and pixel-level tools - all processed instantly in your browser.

BMP is a simple, lossless raster format native to Windows. Because it is uncompressed, the output files are significantly larger than the efficient HEIC - this is expected. If you need the reverse direction, use our BMP to HEIC converter. For practical everyday output instead, try HEIC to JPG, or shrink files with our HEIC compressor. Simply upload your HEIC files, convert them locally, and download BMP images in seconds.

Lightning Fast

Convert images in seconds with our optimized engine that runs entirely in your browser - no uploads, no waiting.

Privacy First

No account needed. No data uploaded to servers. Your files stay on your device, processed locally in your browser.

Batch Processing

Convert multiple HEIC images at once with a single click. Download results individually or as a ZIP archive.

Pro Quality

Professional-grade conversion engine that handles large HEIC files reliably with accurate color and detail.

How It Works

Convert your HEIC images to BMP in 4 simple steps. No sign-up required, no software to install.

Upload Your Images

Click to select or drag and drop your HEIC files. You can also import from URL, Google Drive, or Dropbox.

Choose Settings

Pick BMP as your output format and adjust any available options to match your needs before converting.

Convert Instantly

Processing happens entirely in your browser. No uploads, no server-side processing. 100% local and private.

Download Results

Get your converted BMP files individually or download all at once as a ZIP file. Ready in seconds.

Try It Now - It's Free

Same Image, Different Format

Our converter preserves your image faithfully. Move your cursor across the image to compare - the visual output stays the same. Only the format changes.

HEIC Original

BMP Converted

Converting HEIC to BMP produces a raw, uncompressed bitmap. The image looks identical, but the BMP file is much larger than the efficient HEIC - because BMP stores raw uncompressed pixels with no size-saving compression at all.

Convert HEIC to BMP Online - Free & Pixel-Perfect

Easily convert your HEIC photos to BMP (Bitmap) format - right in your browser. HEIC is efficient and Apple-centric, but some legacy Windows software and technical tools require raw, uncompressed BMP pixel data they can read without any codec. Note that BMP files are very large because they are uncompressed. If you need the reverse conversion, use our BMP to HEIC converter. For practical everyday output, try HEIC to JPG instead. This free HEIC to BMP converter is built for legacy Windows compatibility and raw pixel access.

⚖️ HEIC vs BMP - Quick Comparison

Feature	HEIC (High Efficiency Image Container)	BMP (Bitmap Image File)
Compression	Lossy (efficient HEVC)	✗ None (raw pixels)
File Size	Small	✗ Very large
Windows Legacy	✗ Needs codec	✓ Native
Web Support	✗ No	✗ No
Codec Needed	HEVC required	✓ None on Windows
Best For	iPhone storage	Legacy Windows, technical use

In practice, HEIC is the better choice for everyday photo storage on Apple devices, where its efficiency shines. BMP is the better choice only in specific situations: when a legacy Windows program, a technical imaging pipeline, or a system-level process needs raw, uncompressed pixel data it can read without any codec. There is real irony here - HEIC is one of the most modern, efficient formats, while BMP is one of the oldest and least efficient. The big caveat is size: BMP stores every pixel uncompressed, so a small HEIC photo becomes a very large BMP, and BMP is unsuitable for the web or email. For everyday use, convert HEIC to HEIC to JPG for a small, universally compatible file, and reserve BMP for the narrow legacy and technical cases where raw access is genuinely required. To shrink large sources first, use our HEIC compressor.

🎯 When to Use BMP

BMP is a niche format for specific legacy and technical needs. Here are the cases where converting HEIC to BMP makes sense:

🪟

Legacy Windows Software

Older Windows applications and embedded systems sometimes only accept BMP. Converting iPhone photos to BMP produces a raw bitmap these programs can open directly, with no codec required - solving HEIC's complete lack of legacy support.

🔬

Technical & Pixel-Level Work

Some technical pipelines and image-processing routines expect uncompressed pixel data. BMP gives them direct, byte-level access to every pixel of your photo without any decompression step in between.

⚙️

System-Level Graphics

Certain Windows utilities, splash screens, and low-level graphics handlers use BMP natively. Converting from HEIC ensures your image is in the exact raw format these components expect.

📴

Codec-Free Environments

Because BMP needs no codec, it works reliably in offline or locked-down Windows environments where installing the HEIC/HEVC codec is not possible. The raw format just works on any Windows system.

For nearly all other uses, a compressed format is far more practical. Convert HEIC to HEIC to JPG for a small, universal file, or to HEIC to PNG for lossless web graphics. To reduce a large source, use our HEIC compressor.

🍎 When to Keep HEIC Instead

For most purposes, HEIC is far more practical than BMP. Its efficiency makes it the better format to keep. Knowing when not to convert saves enormous storage:

💾

Saving Storage Space

HEIC is one of the most space-efficient formats; BMP is one of the least. Converting can balloon a small photo into a huge file. If you are not feeding a legacy or technical tool, keep the compact HEIC and avoid BMP entirely.

🌐

Sharing & Web Use

Neither HEIC nor BMP works on the web, but BMP's enormous size makes it the worst choice for sharing. For anything web-facing, convert to HEIC to JPG or HEIC to PNG instead of BMP.

🍎

Apple Ecosystem

Within Photos and iCloud, HEIC displays perfectly and stays small. There is no reason to create massive uncompressed BMP files unless a specific legacy Windows program demands it.

📚

Everyday Photo Library

Keep your camera roll as efficient HEIC. Generate BMP only for the rare image that a legacy tool requires, so you never waste storage on giant uncompressed files you will not use.

Need other formats from your HEIC photos? Convert to HEIC to JPG for sharing, to HEIC to PNG for lossless web graphics, or to HEIC to TIFF for professional archival.

💎 Key benefits / Why convert HEIC to BMP

🔓

Raw Pixel Access

BMP exposes every pixel as uncompressed data, giving legacy software and technical tools direct access with no decoding - solving HEIC's incompatibility with older Windows systems.

🪟

Native Windows Support

Windows reads BMP without any codec, making it dependable in legacy and locked-down environments where the HEIC/HEVC codec may not be installed.

🔒

Lossless Output

The BMP output is lossless, preserving exactly what the HEIC decoded to. The only trade-off is file size, not image quality - your pixels stay intact.

⚙️

Predictable, Simple Format

BMP's straightforward structure is easy for technical pipelines to parse. For everyday sharing, convert to HEIC to JPG instead, and keep HEIC compact with our HEIC compressor.

⚙️ Features of this tool

✓ Convert single or multiple HEIC files at once - batch processing supported
✓ Decodes Apple HEIC/HEIF photos directly in your browser
✓ Lossless BMP output - raw uncompressed bitmap pixels
✓ Raw, uncompressed output for legacy Windows and technical use
✓ Batch ZIP download: all converted BMP files bundled into a single archive
✓ Handles large iPhone photos without uploading anything
✓ Works on all modern browsers - Chrome, Edge, Firefox, Safari
✓ Mobile-friendly: convert directly on your iPhone, iPad, or Android
✓ Import via Computer, URL, Google Drive, or Dropbox
✓ Client-side only: all data stays in your browser. No server uploads, ever

📋 How to use (step-by-step)

Select your HEIC files Click "Select File" or drag files directly into the drop zone. You can also import from URL, Google Drive, or Dropbox.
Choose BMP output Select BMP as your output format and adjust any available options before converting.
Convert your files Click "Convert" to start. Each file is processed locally in your browser with real-time progress. Conversion takes only seconds.
Download your files Download each BMP individually, or grab everything at once in a single .zip archive.
Convert more anytime Process as many HEIC files as you like - there are no limits, no watermarks, and nothing is ever uploaded to a server.

🔧 Technical notes (what to expect)

📦 Output files are very large

▼

BMP stores raw uncompressed pixels, so the converted file is dramatically larger than the efficient HEIC original - often by a huge margin. This is expected for the uncompressed bitmap format. BMP is not suitable for web or sharing; for those, convert to HEIC to JPG instead.

🔍 Transparency is not preserved

▼

Standard BMP does not support an alpha channel, so any transparency in your HEIC will be flattened. Most iPhone photos are opaque, so this rarely matters, but if you need transparency, convert to HEIC to PNG or WebP instead.

🪟 Legacy Windows focus

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BMP's main value is compatibility with older Windows software and technical pipelines that require raw pixel data without a codec. For any modern, cross-platform, or web purpose, a compressed format is far more practical.

💾 Browser-based decoding

▼

HEIC decoding runs locally, and BMP output is large, so big photos or batches may strain browser memory. If conversion stalls, process fewer files at once or use a device with more RAM. Everything runs locally with no server-side limit.

💡 Use cases / Examples

Developers maintaining legacy Windows applications that only accept BMP, converting iPhone photos into the raw bitmap format those older programs require to display correctly.

Technical workflows that need uncompressed, byte-level pixel data from iPhone photos for analysis or processing, where any compression would interfere with the pipeline.

System administrators preparing BMP assets for Windows utilities or embedded environments that use the native bitmap format and cannot handle HEIC at all.

Users who need a codec-free, offline-reliable image from an iPhone photo for a specific legacy Windows device, while keeping the HEIC master and using HEIC to JPG for everything else.

This converter is part of our complete image tools suite. Here are the tools most commonly used alongside HEIC to BMP conversion:

FAQs - HEIC To BMP Converter

Why are my BMP files so much larger than the HEIC?

▼

HEIC uses advanced compression to store photos extremely efficiently, while BMP stores raw, uncompressed pixel data with no compression at all. The result is a dramatic size increase - a small HEIC photo can become a BMP many times larger. This is completely normal and expected for the uncompressed bitmap format. If file size matters, BMP is the wrong choice; convert your HEIC to JPG, PNG, or WebP instead for a far smaller, more practical file.

Why would I convert HEIC to BMP at all?

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The main reasons are legacy compatibility and technical access. Some older Windows applications, embedded systems, and low-level processes require raw, uncompressed BMP pixel data they can read without any codec - and they cannot open HEIC at all. In those specific cases, BMP is the format that works. For virtually every other purpose, a compressed format like JPG, PNG, or WebP is far more practical, since BMP files are enormous and do not work on the web.

Does converting HEIC to BMP reduce image quality?

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No. The BMP output is lossless, so converting preserves exactly what your HEIC decoded to, with no further quality loss. The only difference is file size - BMP is much larger because it is uncompressed. Keep in mind that HEIC is itself a compressed format, so the BMP contains the same image data the HEIC held, just stored as raw pixels. Your image looks identical; only the storage method and file size change.

Are BMP files suitable for websites or sharing?

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No. BMP files are very large and are not supported for display in web browsers, so they are entirely unsuitable for websites, email, or online sharing - and HEIC does not work on the web either. BMP exists for legacy Windows software and technical pipelines that need raw pixel data. For sharing iPhone photos, convert your HEIC to JPG for universal compatibility or WebP for the web instead of BMP.

Does this tool upload my photos to a server?

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No. All conversion happens entirely in your browser using client-side JavaScript - your HEIC photos never leave your device, are never uploaded, and are never stored anywhere. This keeps your personal images completely private, even as large BMP files. The tool even works offline once the page has loaded, and there is zero data collection involved in converting your iPhone photos to BMP.

Will transparency be kept when I convert HEIC to BMP?

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No. Standard BMP does not support an alpha channel, so any transparent areas in your HEIC will be flattened during conversion, typically to a solid background. Most iPhone photos are fully opaque, so this usually does not matter. If you do need to preserve transparency - for a cutout or overlay - convert your HEIC to PNG or WebP instead, as both fully support alpha transparency while BMP does not.

Can I convert multiple HEIC photos to BMP at once?

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Yes. Batch conversion is fully supported - select or drag in many HEIC files and convert them all to BMP in a single operation, then download each individually or as a single ZIP archive. Keep in mind that BMP output is large, so converting many high-resolution photos at once uses considerable browser memory. Processing in smaller groups helps on phones and devices with limited RAM. All processing happens privately in your browser.

Does BMP work on Mac or Linux as well as Windows?

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BMP originated as a Windows format and is best supported there, where it needs no codec. Modern Mac and Linux viewers can usually open BMP too, but the format's primary value is Windows legacy and technical compatibility. If you need a truly cross-platform image from an iPhone photo, convert your HEIC to JPG or PNG instead, both of which are universally supported on every operating system and on the web.

Is there any compression option for the BMP output?

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BMP is defined as an uncompressed raw bitmap format, which is exactly why legacy and technical software value it - the pixel data is directly accessible without any decoding. That also means the files are large by design. If you need smaller files, BMP is not the right target; convert your HEIC to a compressed format such as JPG, PNG, or WebP, which dramatically reduces size while remaining widely usable and web-compatible.

Do I need to install anything to convert HEIC to BMP?

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No. This is a fully browser-based tool with nothing to download, install, or sign up for. Just open the page, add your HEIC files, and convert to BMP. It works on Windows, Mac, Linux, and directly on iPhone, iPad, and Android. This keeps the process simple and private, since your photos are never uploaded to a server during conversion - everything happens locally on your own device.

Is the HEIC to BMP converter completely free?

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Yes, it is entirely free with no limits, no watermarks, no sign-up, and nothing to install. Convert as many HEIC photos to BMP as you need, whenever you need. Everything runs in your browser, so there are no server costs. It is part of our complete suite of free, privacy-first image tools, all built to work instantly while keeping your personal photos securely on your own device.