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A .dib file is a Device Independent Bitmap raster image file. DIB files are very similar to Windows Bitmap (.bmp) files, but with different header metadata. Most DIB files are uncompressed, but the format supports RLE compression to slightly reduce file size when enabled.

Any image editing program that can open a bitmap file can open a DIB file, as the formats are nearly identical. Since they're often uncompressed, converting one into another format can save disk space. A DIB of a photograph can be converted into a JPEG (.jpg) file, which will take up less disk space even at high quality. Converting a DIB to a PNG (.png) file will also save disk space while maintaining image quality since PNG compression is lossless.

About File Helper

File Helper is a free web-based file utility that can open Device Independent Bitmap files and over 150 other file formats directly in your web browser. It displays file properties, including metadata, and image EXIF data, along with information about the corresponding file type. File Helper can also view and convert images to several common formats. Have an unknown file or a file without an extension? No problem — File Helper can identify over 15,000 file types.

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