Content & creators
Lossless compression
Reducing data size while allowing the original data to be reconstructed exactly.
In everyday use
A PNG preserves the encoded image data when compressed.
What to keep in mind
Lossless does not mean the file will always be small.
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Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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