ASN1 Converter

Extract text from ASN1 files


Drop or upload your .ASN1 file
✈

How to extract text from your ASN1 file

  1. Click the "Select File" button above, and choose your ASN1 file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert ASN1 to another file type

To convert your ASN1 file to another format, you need OpenSSL or other Developer software.

Convert a file to ASN1

To convert other file formats to the "Data Interface File" file type, you need software like OpenSSL or a similar tool.


About ASN1 files

The .asn1 extension generally refers to files utilizing Abstract Syntax Notation One, a standard interface description language used to define data structures for cross-platform communication. While robust, this format presents significant hurdles for casual users. The files are often encoded using binary rules (BER, DER, or PER), meaning they appear as unreadable garbage text when opened in standard editors like Notepad++. Even when the file contains the textual schema, it requires specialized knowledge to interpret. In industries like telecommunications (often associated with Ericsson network logs) and cryptography (digital signatures via Cincel), these files are proprietary

Convert.Guru analyzes your ASN1 file, detects the exact format, and lets you read the text inside.

Users also converted ASN, TXT, PDF, CLK, BFX, CK, JSON, PEM, DER, TEXT and HEX files.


FAQ

If you want to convert ASN1 file to JSON, PEM, DER, TEXT or HEX, you can use OpenSSL or similar software from the "Data Structure Definition" category. In the File menu, look for Save As… or Export….

To convert files to ASN1, try OpenSSL or another comparable tool in the "Data Structure Definition" category.



The ASN1 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 ASN1 converter.