Free File Extension Identifier
Enter a file extension (like .ts, .md, etc.) and get its meaning and usage.
Enter File Extension
Enter the extension without the dot (.) prefix
Popular Extensions
Extension Information
Portable Document Format
Description
Common Uses
Associated Programs
MIME Type
Enter a file extension and click "Identify Extension"
Free File Extension Identifier Overview
File extensions are the characters that appear after the last dot in a filename. They help operating systems and applications identify the file type and determine which program should open it.
File Type Identification
Extensions tell your computer what kind of data is in a file and which programs can open it.
Cross-Platform Compatibility
Standard extensions help ensure files can be opened across different operating systems and devices.
Security Considerations
Be cautious with certain extensions like .exe or .bat as they can execute code and potentially contain malware.
Some operating systems may hide file extensions by default. You can usually change this setting in your file explorer preferences to always show file extensions.
About File Extension Identifier
The File Extension Identifier is a free online tool that helps you find the meaning, associated program, and usage of any file extension. With File Extension Identifier, you can quickly identify unknown file types. This tool is always free and requires no login or registration.
Whether you're troubleshooting, learning, or organizing files, File Extension Identifier is your go-to resource. Enjoy unlimited lookups with no login required.
FAQ About File Extension Identifier
- Is File Extension Identifier free?Yes, File Extension Identifier is completely free for everyone.
- Do I need to login or sign up?No, you can use File Extension Identifier with no login required.
- What file extensions can I look up?File Extension Identifier supports thousands of common and uncommon file extensions.
- Is my data private?Yes, File Extension Identifier does not store or share your data. Everything is processed securely in your browser.
How to Use File Extension Identifier
- Enter your file extension in the File Extension Identifier input box.
- Click the "Identify Extension" button to see the result.
- Review the details and use the information as needed—no login required.
File Extension Identifier is always free and requires no login to use.