offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
File Info Viewer
View detailed metadata and properties of files including size, type, and modification date
Choose files to inspect
Add one or more files to view their names, extensions, MIME types, sizes, and last-modified timestamps right in your browser.
- Nothing uploads by default
- Pick multiple files and switch between them
File Information Guide
File Name: The complete name of the file including extension
Extension: The file extension that indicates its format (e.g., .jpg, .pdf)
File Size: The amount of storage space the file occupies
File Type: The browser-detected content type of the file
MIME Type: Standard identifier for file format used by browsers and servers
Last Modified: The date and time the file was last changed
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.
Session file-tool analysis history
Keep a local, session-only record of successful file analyses in this browser session.
No analysis results yet. Run a file analysis to populate this panel.
Session download history
Re-download generated file outputs from this browser session.
No generated outputs yet. Use a file tool in this session to populate this panel.