FlexHex
FlexHex is a cross-platform hex editor for viewing, editing, analyzing, and comparing binary files. It includes features like tabs, multiple data views, undo/redo, powerful search and replace tools, checksums/hashes, insertion of byte patterns, offset manager, data inspector, and
FlexHex: Cross-Platform Hex Editor for Binary File Management
A powerful hex editor for viewing, editing, analyzing, and comparing binary files, featuring advanced tools like tabs, search and replace, checksums, and more.
What is FlexHex?
FlexHex is a versatile and full-featured hex editor for Windows, macOS, and Linux. It enables users to view, edit, analyze, and compare binary files in an efficient and customizable interface.
Some key features of FlexHex include:
- Multiple tabbed views to edit several files at once
- Various data visualization modes like hex, ASCII, decimal, float, EBCDIC
- Powerful search and replace functionality with regex support
- Checksums/hashes like MD5, SHA-1, SHA-256 for verifying data integrity
- Bookmarks, comments and other annotations
- Built-in offset manager and data inspector
- Undo/redo to roll back changes
- Plugin support for added functionality
FlexHex is extremely useful for reverse engineering, forensics analysis, file editing, disk editing, memory editing and other binary data tasks. Its customizable layout and navigation options make it a flexible hex editing tool for all experience levels.
FlexHex Features
Features
- Hex editor for editing binary files
- Multiple data views like hex, text, disassembly
- Powerful search and replace tools
- Undo/redo capabilities
- Tabs for working with multiple files
- Checksums/hashes
- Byte pattern insertion
- Data inspector
- Cross-platform - works on Windows, Mac, Linux
Pricing
- Free
- Open Source
Pros
Very full-featured hex editor
Intuitive and easy to use interface
Support for large files
Many advanced editing tools
Free and open source
Cons
Can feel overwhelming for basic hex editing needs
Limited file format support out of the box
Slow performance with extremely large files
Official Links
Reviews & Ratings
Login to Review4.7
★
★
★
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★
1 review
Rating Breakdown
Ease of Use
★
★
★
★
★
4.0
Features
★
★
★
★
★
5.0
Value for Money
★
★
★
★
★
5.0
Customer Support
★
★
★
★
★
4.0
Overall Experience
★
★
★
★
★
5.0
Recent Reviews
Lisa Miller
Mar 29, 2026
★
★
★
★
★
Indispensable Tool for Binary Work on Any OS
As a developer who regularly works with binary data across Windows, Linux, and macOS, FlexHex has become my go-to hex editor. The tabbed interface and multiple data views (like hex, decimal, and ASCII) make it incredibly easy to analyze complex …
Rating Distribution
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