Use the built-in hex editor, get MD5, SHA1, SHA256 hashes and Base64 with one click, or change the modified and created dates.

The built-in hex editor supports find/replace for easy modifying and search as well as exporting the contents to a new text or hex file. Use the one-click copy for getting a file hash or Base64 encoding for whatever use you need.

Included features:
• MD5, SHA1 and SHA256 hashes.
• Base64 encoding.
• Built-in full hex viewer/editor with find and replace.
• Export the file contents as text or hex.
• View and change Created Date and Modified Date.
• View file Size, Group and Owner.
• Easily drag & drop, use the File menu or the dock icon to open files.
• Includes "Open in File Peek" service shortcut.
• Supports viewing details of multiple files at once.
• Full support for macOS 10.14 Mojave, including for the system Dark Mode.

What’s New

Version 1.1

[New] macOS 10.14 (Mojave) support including for the new system wide Dark Mode.
[New] File Peek now requires macOS 10.10 or higher.
[New] Confirmation overlay is shown after using any of the copy-to-clipboard buttons.
[Fixed] Issue where not all files would have Open With -> File Peek as a choice when right-clicking in the Finder.

Ratings and Reviews

Platinum Matt ,

Nice, especially for a free app

This is a handy tool to have when I need to check the hash of a file, or edit a file. The hex editor is nice and I like that I can also copy the Base64 encoding for embedding binaries in calls to some web services.


Tunabelly Software Inc.
5.8 MB
OS X 10.10 or later, 64-bit processor
Age Rating
Rated 4+
© 2018, Tunabelly Software Inc.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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