[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"howto:br:ios:en":3},{"resolvedFromAlias":4,"canonicalExt":5,"ext":5,"name":6,"category":7,"categoryName":8,"updatedAt":9,"os":10,"osLabel":11,"quickSolution":12,"stepByStep":13,"recommendedSoftware":15,"alternativeMethods":16,"commonIssues":17,"securityNote":36,"extensionPath":37,"extensionLabel":38,"breadcrumbs":39,"metaDescription":49},false,"br","Brotli-compressed data","archives","Archives","2026-06-12T09:12:03.735Z","ios","iOS","To open .BR files on iOS, there is no common native workflow for directly opening .br as a user file; decompress it on a desktop with Brotli tools, then transfer and open the extracted original file on iOS.",[14],"There is no common native workflow for directly opening .br as a user file; decompress it on a desktop with Brotli tools, then transfer and open the extracted original file on iOS.",[],[],[18,24,30],{"title":19,"description":20,"steps":21},"Decompression produces an unknown or extensionless file","A .br file is just compressed data; it may not include the original filename or extension, especially when it was created for web serving (e.g., \"main.js.br\" implies the output should be \"main.js\").",[22,23],"Look at the original context or name (e.g., \"style.css.br\" should decompress to \"style.css\").","After decompressing, add the correct extension based on what the file is (CSS/JS/HTML/WASM are common for web assets).",{"title":25,"description":26,"steps":27},"The file won’t open in a browser or editor","Trying to open the compressed .br directly will show garbled data because it must be decompressed first.",[28,29],"Decompress the .br with a Brotli-capable tool (such as the official brotli utilities).","Open the decompressed output with the appropriate program (text editor for source files, etc.).",{"title":31,"description":32,"steps":33},"Website serves a .br file as a download instead of loading normally","On the web, Brotli is meant to be delivered using HTTP content coding (Content-Encoding: br). If a server is misconfigured, it may serve the pre-compressed file as if it were the actual resource or omit the correct headers.",[34,35],"If you manage the site, ensure Brotli is delivered as HTTP content coding \"br\" (Content-Encoding: br) rather than exposing the .br file directly.","Verify the server sets appropriate headers and serves the original resource URL while using Brotli encoding for transport.",".br is compressed data; decompressing untrusted .br files can consume significant CPU/memory (a common risk with compressed inputs), so be cautious with very large or unexpected files.","/file-extension/br",".BR",[40,43,46],{"label":41,"to":42},"Home","/",{"label":44,"to":45},"How To","/file-extension",{"label":47,"to":48},"Open .BR on iOS","/how-to/open-br-on-ios","Learn how to open .BR files on iOS with step-by-step instructions, recommended software, and troubleshooting tips."]