RSA Converter

Extract text from Android app signatures (RSA)


Drop or upload your .RSA file
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How to extract text from your RSA file

  1. Click the "Select File" button above, and choose your RSA file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert RSA to another file type

To convert RSA signatures to another format, you need Android Studio or other Developer software.

Convert a file to RSA

To convert other file formats to the "Security Certificate File" file type, you need software like Android Studio or a similar tool.


About RSA files

The .RSA file is primarily an Android application signature file stored within the META-INF directory of an APK package. It contains the public key certificate necessary to verify the authenticity and integrity of an Android app. Additionally, the extension is used for cryptographic key files in OpenSSH and codesign files in Minecraft JAR archives by Mojang. Developers typically interact with these files using command-line utilities like the Java keytool or the Android Debug Bridge. The main drawback of the .RSA format is its compiled, binary nature. It is entirely unreadable in standard text editors, forcing users to rely on specific command-line tools just to view basic certificate details like the issuer, validity dates, or the public key payload. To make these certificates readable or compatible with web servers, TLS configurations, and version control, conversion is strictly required. For broad compatibility with web infrastructure and OpenSSL, convert to PEM (Base64 encoded) or CRT. For Java-based keystores, convert to DER.

Convert.Guru analyzes your RSA file, detects the exact format, and lets you read the text inside.

Users also converted SF, MF, ARSC, SO, ID_RSA, JSON, ZIP, PUB, RSP, TXT, 7Z, PEM and XML files.


FAQ

If you want to convert RSA file to PEM, PPK, PGP, TMP, TEMP, CACHE, LOG, BAK, OLD, NEW, PART or DOWNLOAD, you can use Android Studio or similar software from the "Public Key Certificate Signature" category. In the File menu, look for Save As… or Export….

To convert DEVICE, CACHE, SOCK, SYMLINK, PID, MOUNT, FIFO, LOG, PIPE, TMP, JUNCTION or TEMP files to RSA, try Android Studio or another comparable tool in the "Public Key Certificate Signature" category.



The RSA 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 RSA converter.