.ASC File

.asc is PGP ASCII Armored File

Features Description
File Extension .asc
Format Text
Created by PGP
Category Encoded

File extensions play a crucial role in identifying the format and type of a file. One such extension is the ".asc" file extension, which is used by various applications for different purposes. In this article, we will delve into the history, description, usage, conversion, and safety aspects of .asc files.

History and Description

The .asc file extension has been associated with multiple file formats throughout its history. Here, we will explore some of the prominent formats linked to this extension:

  • PGP ASCII Armored File: In the realm of cryptography, Pretty Good Privacy (PGP) employs ASCII armored files to ensure secure communication. These files are encrypted using the recipient's public key and can be decrypted using the corresponding private key.
  • Autodesk ASCII Export File: Autodesk software, such as AutoCAD, allows users to export their designs and drawings in the ASCII format. The resulting .asc files contain textual representations of the objects, entities, and other design elements present in the original file.
  • ActionScript Communication File: ActionScript, a programming language primarily used in Adobe Flash, utilizes .asc files for communication purposes. These files define the communication protocols between different objects and components within a Flash application.
  • ASCII Text File: The ASCII file format represents plain text files using the ASCII character encoding. These files contain human-readable text and can be opened and edited with a simple text editor.
  • LTspice Circuit Schematic File: LTspice, a widely used electronic circuit simulator, employs the .asc extension to save circuit schematic files. These files store the circuit design, component values, and simulation settings in a human-readable format.

Published Specifications

Specific published specifications for .asc files can vary depending on the associated format. For example:

  • PGP ASCII Armored Files: The OpenPGP standard, documented in RFC 4880, defines the specifications for PGP encryption, including the ASCII armored file format.
  • Autodesk ASCII Export Files: Autodesk provides documentation and resources related to their software, which includes information on the ASCII export format.
  • ActionScript Communication Files: Adobe's official documentation for ActionScript covers the syntax and usage of .asc files in the context of Flash development.
  • ASCII Text Files: The ASCII character encoding itself is a well-established standard defined by the American National Standards Institute (ANSI).
  • LTspice Circuit Schematic Files: LTspice documentation and resources, along with the file format specifications, are available from the software's developer, Analog Devices.

How to Open and Use?

The methods for opening and using .asc files depend on the associated format:

  • PGP ASCII Armored Files: To open and decrypt a PGP ASCII armored file, you need a compatible PGP encryption software such as GnuPG or PGP Desktop. These programs allow you to import the file and decrypt it using the appropriate private key.
  • Autodesk ASCII Export Files: Autodesk software, like AutoCAD, can directly open .asc files created through the ASCII export functionality. The files can be imported or accessed through the application's "Open" or "Import" options.
  • ActionScript Communication Files: ActionScript files with the .asc extension are usually handled by Adobe Flash or Adobe Animate. These development environments allow you to import, edit, and compile the files as part of the overall Flash project.
  • ASCII Text Files: Any text editor, such as Notepad (Windows) or TextEdit (Mac), can open and display ASCII text files. These files can be used for various purposes, including code editing, documentation, and plain text data storage.
  • LTspice Circuit Schematic Files: LTspice, available for Windows and macOS, can directly open .asc files containing circuit schematics. You can load the files into the application for simulation, analysis, and further modification.

Open ASC File Online and Convert ASC to CSV: A Convenient Solution

ASC files, often used for storing tabular data, can be challenging to work with if you don't have the right software installed. However, there are online tools available that allow you to easily open ASC files and even convert them to the more commonly used CSV format. In this article, we will explore how to open ASC files online and convert them to CSV for seamless data analysis and manipulation.

Why Open ASC Files Online?

Opening ASC files online offers several advantages:

  • Accessibility: Online tools provide instant access to ASC files without the need for specific software installations or system requirements.
  • Convenience: You can access and work with ASC files from any device with an internet connection, whether it's a computer, tablet, or smartphone.
  • Quick Solutions: Online tools eliminate the need to search for and download software dedicated to ASC file handling, saving you time and effort.

ASC to CSV Conversion: Streamlining Data Processing

Converting ASC files to CSV format allows for seamless integration with various data analysis and manipulation tools. The CSV (Comma-Separated Values) format is widely supported by spreadsheet applications, statistical software, and programming languages. Here's how you can convert ASC files to CSV:

  1. Step 1: Locate an online ASC to CSV converter. There are several reliable options available with user-friendly interfaces.
  2. Step 2: Upload your ASC file to the converter. The file upload process is usually straightforward and intuitive.
  3. Step 3: Configure the conversion settings if necessary. Most converters provide options to specify delimiter characters, encoding, and other parameters.
  4. Step 4: Initiate the conversion process. The converter will process your ASC file and generate a downloadable CSV file.
  5. Step 5: Download the converted CSV file to your device.

Once you have the CSV file, you can open it in your preferred spreadsheet software or import it into data analysis tools for further processing, visualization, or reporting.

Online ASC File Openers: An Overview

When it comes to opening ASC files online, there are various tools available. Here are a few popular options:

  • Online Text Editors: Online text editors, such as Google Docs, Microsoft Office Online, or Zoho Writer, allow you to open and view the contents of ASC files directly in your browser. While they may not offer specific ASC file formatting, they provide a quick way to access the data within the file.
  • Online Spreadsheet Applications: Applications like Google Sheets or Microsoft Excel Online allow you to import ASC files as spreadsheets, enabling you to view, manipulate, and analyze the data with the full capabilities of a spreadsheet software.
  • ASC File Viewer Websites: Dedicated ASC file viewer websites offer a simple interface to upload and view the contents of ASC files. These sites typically display the data in a tabular format, making it easier to analyze and work with the data.

Benefits and Precautions

Opening ASC files online and converting them to CSV format can be highly beneficial. However, it's essential to consider the following precautions:

  • File Security: Ensure that the online tools you use are reputable and prioritize data security. Be cautious when uploading sensitive or confidential data.
  • Data Privacy: Read and understand the privacy policy of the online tools you choose to ensure that your data is handled appropriately and not shared without your consent.
  • Accuracy: Keep in mind that online tools may have limitations or occasional inaccuracies in the conversion process. Double-check the resulting CSV file for data integrity.

With these considerations in mind, opening ASC files online and converting them to CSV can provide a convenient and efficient solution for working with tabular data.

File Safety and Security

Regarding file safety, .asc files, like any other file type, should be handled with caution. Here are a few considerations:

  • Viruses and Malware: .asc files themselves are not inherently harmful. However, it is important to exercise caution when opening or executing any file received from untrusted sources, as they could potentially contain viruses or malware.
  • Encryption Security: PGP ASCII armored files provide encryption for secure communication. As long as the encryption implementation is robust and the keys are properly managed, the file contents remain secure.
  • File Integrity: It is advisable to verify the integrity of downloaded or shared .asc files using appropriate checksums or digital signatures, especially when dealing with critical data or sensitive information.


Here are some references for further exploration:




New Files Extension Recently updated 3D Image Files Audio Files Backup Files CAD Files Camera Raw Files Compressed Files Data Files Database Files Developer Files Disk Image Files Encoded Files Executable Files Font Files GIS Files Game Files Misc Files Page Layout Files Plugin Files Raster Image Files Settings Files Spreadsheet Files System Files Text Files Vector Image Files Video Files Web Files eBook Files