---
title: "Format"
description: "Format"
url: "https://www.contentstack.com/docs/developers/sdks/content-delivery-sdk/swift/reference/format"
product: "Contentstack"
doc_type: "guide"
audience:
  - developers
  - admins
version: "current"
last_updated: "2026-09-06"
---

# Format

## Format

The format parameter lets you converts a given image from one format to another.

Progressive JPEG Format

JPEG format.

GIF format.

PNG format.

WEBP format.

WEBP Lossy format.

WEBP Lossless format.

## Format | Swift Delivery SDK | Contentstack

Format lets you convert a given image from one file format to another in the Contentstack Swift Delivery SDK.