Does converting HEIC to BMP lose quality?

No further loss worth worrying about. HEIC is a lossy format, so the BMP can only be as good as what your iPhone saved — but at Apple's default settings that is excellent. FileMorf decodes the photo at high quality, and BMP stores the result without additional lossy compression.

Why won't HEIC files open on Windows or Android?

HEIC is Apple's default camera format (iOS 11 and later), built on the HEVC video codec. Windows needs paid codec extensions to display it and support elsewhere is inconsistent, which is why converting to a mainstream format is usually the fastest fix. FileMorf decodes HEIC directly in your browser — no codec installs needed.

How large will the BMP file be?

Large. FileMorf writes standard uncompressed 24-bit BMP, which needs about 3 bytes per pixel regardless of content — a 4000x3000 image comes out around 34 MB. That is normal for BMP; only use it where a specific application requires the format.

Can I convert a whole batch of iPhone photos?

Yes. Drop in as many HEIC files as you like — each is converted in turn, and the results can be downloaded individually or together as a ZIP archive.

iPhone Photo Converter

Convert HEIC to BMP

Convert iPhone HEIC photos to uncompressed BMP bitmaps for Windows tools that need raw pixel data.

This conversion runs in this browser tab. The selected file is not uploaded for processing.

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HEIC to BMP, step by step.

These steps describe the HEIC input and the BMP export for this exact route.

Upload HEIC Photos

Drag and drop HEIC photos straight from your iPhone, iPad, or Mac. Batch upload is supported.

Click Convert

Conversion runs instantly in your browser — nothing is uploaded.

Download BMP

Save the converted file right away. Multiple images are bundled into a ZIP for one-click download.

What to expect

What matters for BMP output.

Review the behavior this HEIC to BMP tool is designed to preserve, expose, or simplify.

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All processing happens in your browser. Your files never leave your device.

Standard 24-Bit BMP

Output is plain uncompressed BMP, the exact variant that legacy Windows software and embedded tools expect.

Batch Processing

Convert multiple files at once. Download as a convenient ZIP file.

Questions about HEIC and BMP.

Check the format behavior, limitations, and follow-up options before processing a real file.

HEIC will not open in most Windows software without extra codecs, while BMP opens in essentially everything Microsoft has shipped since the early 90s. FileMorf decodes the photo on-device and writes the pixels uncompressed, so nothing is lost beyond what HEIC's own compression already decided. Expect very large files — around 3 bytes per pixel — so this is for feeding specific tools, not for storage or sharing.

Related routes

Continue from BMP.

Choose another format only when it matches the next job.

HEIC to JPG HEIC to PNG JPG to BMP Browse all conversions

Next step

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