Convert GIF to PBM

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What happens when you convert GIF to PBM?

Animation becomes a still

Still image output. Animated files use only the first frame; animation is not preserved.

Only black & white

Output has only black and white pixels. The threshold defaults to 128 and is adjustable in Advanced options; gray levels and colour are lost.

Opaque output

Transparency is replaced with white by default. Change the background in Advanced options.

Lossless sample storage

Netpbm stores these samples without compression. Reducing colour, thresholding or changing maxval can still lose information before storage; text and binary representations change the layout, not its image meaning. PBM can store its supported image samples without lossy compression. This applies after rendering and sample conversion: it does not guarantee preservation of source precision, colour space or document structure, and cannot undo earlier losses.

GIF

Source

GIF

Graphics Interchange Format

Compression: LosslessTransparency: YesMetadata: Comments, Application extensions

Indexed-colour images and simple frame animation. GIF uses LZW compression and palette-index transparency.

Explore GIF format →

PBM

Target

PBM

Portable Bitmap

Compression: UncompressedTransparency: NoMetadata: Header, Comments

Portable Bitmap: simple uncompressed raster samples for image-processing pipelines.

Explore PBM format →

Is GIF → PBM right for you?

Good choice when

PBM fits your delivery use: Bitonal line art & binary masks.
You want a still illustration from an animated source.
Your destination needs a bitonal mask or black-and-white bitmap.
An opaque image is acceptable for your destination.

Probably not when

Motion, frame timing or loop behaviour must survive.
You need continuous tones or colour.
You need cutouts or translucent edges for compositing.
You expect lossless encoding to restore lost details or editing structure.

GIF to PBM conversion details

Animation becomes a still: Still image output. Animated files use only the first frame; animation is not preserved.
Only black & white: Output has only black and white pixels. The threshold defaults to 128 and is adjustable in Advanced options; gray levels and colour are lost.
Opaque output: Transparency is replaced with white by default. Change the background in Advanced options.
Lossless sample storage: Netpbm stores these samples without compression. Reducing colour, thresholding or changing maxval can still lose information before storage; text and binary representations change the layout, not its image meaning. PBM can store its supported image samples without lossy compression. This applies after rendering and sample conversion: it does not guarantee preservation of source precision, colour space or document structure, and cannot undo earlier losses.
Sample precision & colour: Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.
Metadata & colour: Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.
Compression: GIF: Lossless → PBM: Uncompressed GIF: LZW compression is lossless for the stored palette indices. Colour reduction before encoding is not lossless for an arbitrary RGB source. PBM: Netpbm stores these samples without compression. Reducing colour, thresholding or changing maxval can still lose information before storage; text and binary representations change the layout, not its image meaning.
Transparency: Transparency is replaced with white by default. Change the background in Advanced options.
Animation: Still image output. Animated files use only the first frame; animation is not preserved.
Colour depth: GIF: Up to 256 colours/table → PBM: 1 bit/pixel
Dimensions: Rendered image dimensions are retained within the converter limits; this tool does not offer resizing. Orientation handling depends on the source decoder.
Metadata: Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.

Common questions

Will the output keep animation?

Still image output. Animated files use only the first frame; animation is not preserved.

Can PBM retain gray shading?

Output has only black and white pixels. The threshold defaults to 128 and is adjustable in Advanced options; gray levels and colour are lost.

What happens to transparent areas?

Transparency is replaced with white by default. Change the background in Advanced options.

Are bit depth and colour values guaranteed to match?

Pixel conversion only. Original EXIF, GPS, XMP and ICC profiles are not copied; processing uses 8-bit display pixels.

Will metadata and colour profiles be retained?