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Scheduled launch — Aug 20, 2026

Hexel Editor is listed on AI Kaptan and will enter the daily launch competition on that day. Community upvotes open on launch day.

Hexel Editor
Developer Tools
Paid

Hexel Editor

Native macOS hex editor with a brain for file formats. Designed for developers, reverse engineers, and security researchers to inspect, analyze, and edit binary files of any size.

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Rating
0
Reviews
0
Upvotes
about 3 hours ago
Listed
Mac
Productivity
Developer Tools
Hex Editor
Reverse Engineering
Security Tools
Binary Analysis
Tool information
Provider
Apple App Store
Platforms
macOS
Languages
English
Added to directory
about 3 hours ago
Last updated
about 3 hours ago
Rating
Not available
Pricing
Paid

About Hexel Editor

What the tool does and who it's for

Hexel Editor is a fast, native macOS hex editor built for developers, reverse engineers, and security researchers. Designed with a clean Xcode-style interface, it features a navigator, precise hex grid, and an inspector that decodes bytes directly under your cursor. Large files are memory-mapped so they open instantly and stay responsive. Users can edit in hex or ASCII, conduct pattern searches with wildcards, inspect live data values, parse built-in file formats, calculate checksums and entropy, and annotate binaries with bookmarks and notes.

Key capabilities

Memory-mapped file handling to open binary files of any size instantly without freezing
Flexible editing modes including Read-only, Overwrite, and Insert with nibble-by-nibble or ASCII typing
Live data inspector decoding Int/UInt 8–64, Float32/64, binary, hex, and string values at cursor
Hex pattern search with wildcard support (??) and text search across UTF-8, UTF-16, and ASCII
Built-in format parsers revealing structure for Mach-O, PE, ELF, PNG, JPEG, GIF, BMP, ZIP, gzip, and PDF files
Analysis tools for calculating CRC32, MD5, SHA-1, and SHA-256 checksums alongside entropy and byte-frequency histograms
Annotation features supporting named colored bookmarks, plain-text notes, and exportable .hexel sidecar files
Native Xcode-style macOS interface with configurable bytes-per-row, endianness toggling, and export to C or Swift array literals

Pricing

Paid — plans below

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  • Full access to Hexel Editor on macOS
  • Large file support via memory mapping
  • Built-in file structure parsers
  • Unlimited undo/redo and safe saving

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