# CompressionLevel

## Content

[**DsPdfJS API v9.1.3**](../README)

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[DsPdfJS API](../globals) / CompressionLevel

# Enumeration: CompressionLevel

Specifies values that indicate whether a compression operation emphasizes speed or compression size.

## Enumeration Members

### Fastest

> **Fastest**: `1`

The compression operation should complete as quickly as possible, even if the result is not optimally compressed.

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### NoCompression

> **NoCompression**: `2`

No compression should be performed.

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### Optimal

> **Optimal**: `0`

The compression operation should optimally balance compression speed and output size.

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### SmallestSize

> **SmallestSize**: `3`

The compression operation should create output as small as possible, even if the operation takes a longer time to complete.