API Reference > imodeljs-frontend > Rendering > getCompressedJpegFromCanvas getCompressedJpegFromCanvas Function Produce a jpeg compressed to no more than specified bytes and of no less than specified quality. getCompressedJpegFromCanvas(canvas: HTMLCanvasElement, maxBytes: number = 60000, minCompressionQuality: number = 0.1): string | undefined Parameter Type Description canvas HTMLCanvasElement Canvas containing the image to be compressed. maxBytes number Maximum size of output jpeg in bytes. minCompressionQuality number The minimum acceptable image quality as a number between 0 (lowest quality) and 1 (highest quality). Returns - string | undefined A data URL for the image, or undefined if the compression and size constraints could not be met. Defined in core/frontend/src/ImageUtil.ts Line 314 Last Updated: 29 November, 2022