Click the "Select File" button above, and choose your WASM file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert WASM to another file type
To convert WASM modules to another format, you need Wasmtime or other Developer software.
Convert a file to WASM
To convert other file formats to the "WebAssembly Binary Module" file type, you need software like Wasmtime or a similar tool.
About WASM files
A .wasm file is a compiled WebAssembly binary module. It provides a way to run high-performance applications on the web. Modern web browsers like Google Chrome and runtimes such as Wasmtime execute these files. See the WebAssembly Wikipedia page for more details. Users often need to convert this file because it is a proprietary, compiled binary. You cannot read or edit it in a standard text editor. If you lose the original source code, making updates is practically impossible without reverse engineering. The best target format for reverse engineering is WAT (WebAssembly Text Format). It can also be decompiled to C or JS, but you will permanently lose the original variable names and developer comments. This file format is extremely difficult to open or convert because it contains low-level virtual machine instructions, not human-readable data. Standard online converters fail to process it. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your WASM file, detects the exact format, and lets you read the text inside.
If you want to convert WASM file to WAT, JS, C, PDF, TEXT, HTML, HTM, CSS, PHP, ASP, ASPX or JSP, you can use Wasmtime or similar software from the "High-Performance Web Executable" category. In the File menu, look for Save As… or Export….
To convert RSS, CSS, CGI, SITEMAP, PL, WEBMANIFEST, JSON, JS, XML, HTML, ICO or HTM files to WASM, try Wasmtime or another comparable tool in the "High-Performance Web Executable" category.
The WASM Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our WASM converter.