Compressor redirects here. It may refer to:

• Gas compressor, a mechanical device that compresses a gas e.g. air
• Compressor (software), Final Cut video and audio compression and encoding application
• KOMPRESSOR, an electronic musician

Compression itself may refer to:

• Physical compression, the result of the subjection of a material to compressive stress
  • Compression arch suspended-deck bridge, a compression arch rises above the deck
  • Compression bandage, designed to reduce the flow of blood
• Compression ratio, a number that predicts the performance of any internal-combustion engine
• Data compression, encoding information using fewer bits
  • Image compression
  • Audio data compression
  • Video compression
    • Compression artifact, noticeable defects in audio or video that has been compressed
  • Bandwidth compression, in telecommunications
• Gain compression, in electronic amplifiers, which is a result of device non-linearity
• Audio level compression, usually artificially introduced Gain compression to improve the perceived quality of audio
• Compression (functional analysis), in mathematics