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Image Conversion

Convert HDR to BMP Online — Free

Fast, free HDR to BMP converter. No registration required.

またはインポート元

200万以上のファイル変換

数千人のユーザーに信頼されています

安全な転送

HTTPS暗号化アップロード

プライバシー優先

処理後にファイルを自動削除

登録不要

すぐに変換を開始

どこでも動作

あらゆるブラウザ、あらゆるデバイス

変換方法

1

Upload your .hdr file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .bmp file when it's ready.

HDRとは?

HDR (Radiance) is a high dynamic range image format used in 3D rendering, lighting design, and photography. It stores full floating-point color data for realistic lighting effects.

形式の詳細

正式名称
Radiance HDR
拡張子
.hdr

主な特徴

  • High dynamic range
  • 3D rendering
  • Lighting design
  • Float precision

BMPとは?

BMP is a simple, uncompressed image format native to Windows. It provides perfect quality but results in very large file sizes.

形式の詳細

正式名称
Bitmap Image
拡張子
.bmp

主な特徴

  • Uncompressed
  • Windows native
  • Perfect quality
  • Simple format

HDRとBMPの比較

特徴HDRBMP
正式名称Radiance HDRBitmap Image
拡張子.hdr.bmp
最適な用途High dynamic rangeUncompressed

よくある質問

Converting between lossless formats (PNG, BMP, TIFF) preserves perfect quality. For lossy formats like JPG and WebP, you can adjust the quality slider to control compression. Default settings prioritize visual quality.
Transparency is preserved when converting to formats that support it (PNG, WebP, TIFF, GIF). If the target format doesn't support transparency, a white background is applied.
Yes. Upload your HEIC files and convert to JPG, PNG, or WebP instantly. Perfect for making iPhone photos compatible with any device or platform.
No resolution limit. We handle images of any size — from small icons to high-resolution photos and print-ready images.
Pro users can batch convert multiple images at once. Free users can convert one image at a time. All conversions are processed on our servers, so even large files convert quickly.

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