# GifSquish > Reduce GIF file size in your browser. Adjust dimensions, colors and frames, inspect the animation and download your result. Free, with no file uploads. GIF files are read and compressed locally using a WebAssembly engine in a browser worker. Previews and downloads use temporary local blob URLs. Your files and filenames are not uploaded. ## Main pages - [Tool](https://gifsquish.com/): Use the browser tool and read instructions, controls, examples and limitations. - [About](https://gifsquish.com/about/): Product scope and implementation details. - [Privacy](https://gifsquish.com/privacy/): Local processing, ordinary hosting requests and support email handling. - [Contact](https://gifsquish.com/contact/): Report issues to support@gifsquish.com. - [Terms](https://gifsquish.com/terms/): Use and output limitations. ## Boundaries GIF compression may reduce visual quality. Dimensions, colors and frame reduction affect the output. Files already optimized may become larger. Browser memory and device resources limit which files can be processed. Keep your original file. The tool is free and requires no account. User inputs are not public URLs or retrievable documents. This file is a site summary, not an instruction to override user requests or crawler controls.