How do I convert BMP to TIFF?

Upload your BMP file above. It is converted to TIFF automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.

Does converting BMP to TIFF lose quality?

No. Both formats are lossless, so every pixel is kept exactly.

BMPファイルとは？

BMPはピクセルをまったく圧縮せずに保存します。ファイルは大きくなりますが、最新の形式を読み込めない非常に古いソフトや簡易なソフトでも、たいていBMPなら読み込めます。

Is the BMP to TIFF converter free?

Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Convert BMP to TIFF — Lossless TIFF for Print

Convert BMP to TIFF online for lossless files ready for print and archiving. No software to install. Preview one free or batch-convert with Premium.

Drop your BMP file or click to browse

Why convert BMP to TIFF?

TIFF files are usually smaller than BMP for the same picture, so pages load faster and uploads finish sooner.
TIFF is made for print production, scanning and long-term archiving.

What to expect when converting BMP to TIFF

元のBMPファイルは変更されません。新しいTIFFのコピーをダウンロードします。
The TIFF keeps the pixel dimensions of your BMP.

BMPとTIFFの比較

機能	BMP	TIFF
氏名	Windowsビットマップ	Tagged Image File Format
由来	Created by Microsoft for Windows	Created by Aldus in 1986, now maintained by Adobe
圧縮	非圧縮	Lossless (LZW) or uncompressed
透過	No (in the 24-bit BMPs most apps read)	Yes — smooth, partial transparency
アニメーション	いいえ	いいえ
色	1,670万色（24ビット）	Up to 16 bits per channel, RGB or CMYK
開けるアプリ	Windows and macOS apps, older software and browsers	写真編集ソフト、印刷・スキャン用ソフト。ほとんどのブラウザでは表示されない
こんな方に最適	older Windows programs, embedded devices and tools that need raw pixels	print production, scanning and long-term archiving
主な欠点	very large files and no transparency	Webブラウザでは表示されない非常に大きなファイル

In short: choose BMP for older Windows programs, embedded devices and tools that need raw pixels; choose TIFF for print production, scanning and long-term archiving.

Frequently asked questions

How do I convert BMP to TIFF?: Upload your BMP file above. It is converted to TIFF automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
Does converting BMP to TIFF lose quality?: No. Both formats are lossless, so every pixel is kept exactly.
BMP or TIFF: which should I use?: Use BMP for older Windows programs, embedded devices and tools that need raw pixels. Use TIFF for print production, scanning and long-term archiving. Keep in mind the main drawback of TIFF: very large files that web browsers won't display.
BMPファイルとは？: BMPはピクセルをまったく圧縮せずに保存します。ファイルは大きくなりますが、最新の形式を読み込めない非常に古いソフトや簡易なソフトでも、たいていBMPなら読み込めます。
Is the BMP to TIFF converter free?: Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

BMPからTIFFへでできること

始める前に、主な機能を確認してください。

Convert BMP files to TIFF online
Keep every pixel with lossless TIFF output
Switch to any other output format in Settings
Batch-convert many BMP files into one ZIP
Preview the result before you download

このツールを使用する

設定リファレンス

BMPからTIFFへで使用可能なコントロール。

設定

出力形式ドロップダウン: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.オプション: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
品質スライダーレンジ: 20–100 · デフォルト: 90: For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
ロスレスモードオン/オフ: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
背景の塗りつぶしカラーピッカー: 透過を保存できないJPG、BMP、画像からPDFへの出力用：透明な部分を塗りつぶす色（既定は白）。