Click the "Select File" button above, and choose your JWT file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert JWT to another file type
To convert JWT tokens to another format, you need jwt.io or other Developer software.
Convert a file to JWT
To convert other file formats to the "Authentication Token File" file type, you need software like jwt.io or a similar tool.
About JWT files
A .JWT file contains a JSON Web Token, defined by the IETF RFC 7519 standard. Developers use these files to securely transmit information between parties as a JSON object. They are the industry standard for web application authentication and API authorization. Developers usually handle them via code in Python, Node.js, or Java, or inspect them using web tools like jwt.io. Users often struggle with .JWT files because they are not plain text documents. The data is Base64Url encoded. If you open a .JWT file in a standard text editor, you only see a long string of letters and numbers separated by dots. It is impossible to read the actual data natively without decoding it. Furthermore, the file contains a cryptographic signature. Standard online converters fail to process these files because they are designed for images or office documents, not developer security tokens. The most practical solution is converting the .JWT file into a JSON or TXT file. This allows you to read the decoded header and payload data. However, be aware that you cannot edit and re-save the file without invalidating the cryptographic signature. Because .JWT is a specialized string format, standard tools cannot open it correctly. Just drag and drop your file to identify the format, view it, and convert it when possible. convert.guru can inspect the encoded string and extract the underlying JSON content safely and quickly.
Convert.Guru analyzes your JWT file, detects the exact format, and lets you read the text inside.
If you want to convert JWT file to JSON, PEM, HTML, HTM, CSS, JS, PHP, ASP, ASPX, JSP, JSPX or PY, you can use jwt.io or similar software from the "Web Authentication and Data Exchange" 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 JWT, try jwt.io or another comparable tool in the "Web Authentication and Data Exchange" category.
The JWT 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 JWT converter.