hexer

Spec sheet

Purpose

Hexer is a multi-buffer editor for binary files that displays its buffers as a hex dump.Read 8 Oct 2026 · hexer.readthedocs.io

Build and install

The installation instructions say to unpack the source archive, run make, and then run make install to install the binaries and manual.Read 8 Oct 2026 · hexer.readthedocs.io

Build portability

Version 1.0.7 updated the build to work with compilers such as GCC 15 by enabling C99 features.Read 8 Oct 2026 · hexer.readthedocs.io

Build requirements

The changelog says the project assumes a POSIX environment and that its code requires termios and termcap support.Read 8 Oct 2026 · hexer.readthedocs.io

Calculator

The built-in calculator myc can be built as a command-line version with make myc.Read 8 Oct 2026 · hexer.readthedocs.io

Command options

The changelog says version 1.0.5 added command-line options for version and features information.Read 8 Oct 2026 · hexer.readthedocs.io

Download formats

Version 1.0.7 is offered as gzip, bzip2, and xz source tarballs, each with a PGP signature link.Read 8 Oct 2026 · hexer.readthedocs.io

Installation

Installation instructions say to unpack the source archive, run make, and then run make install to install the binaries and manual.Read 8 Oct 2026 · hexer.readthedocs.io

Interface

Its user interface is kept similar to vi/ex.Read 8 Oct 2026 · hexer.readthedocs.io

Latest listed release

The download page lists version 1.0.7, dated 2025-08-17.Read 8 Oct 2026 · hexer.readthedocs.io

Maintainer

The documentation says Hexer was written by Sascha Demetrio and is currently maintained by Peter Pentchev.Read 8 Oct 2026 · hexer.readthedocs.io

Maker identity

The documentation identifies the project maintainer and links to its GitLab repository; it does not state a company name, headquarters, or founding date.Read 8 Oct 2026 · hexer.readthedocs.io

Project age

The GitLab project page states that the project was created on April 14, 2015.Read 8 Oct 2026 · gitlab.com

Recent maintenance

Version 1.0.7 includes a build fix for compilers such as GCC 15 and marks the start of MkDocs documentation and a Python-based test suite.Read 8 Oct 2026 · hexer.readthedocs.io

Release status

The changelog lists version 1.0.7 dated 2025-08-17 and an Unreleased section.Read 8 Oct 2026 · hexer.readthedocs.io

Source releases

The download page lists source archives for version 1.0.7, dated 2025-08-17, in gzip, bzip2, and xz formats, each with a PGP signature.Read 8 Oct 2026 · hexer.readthedocs.io

Support contact

The project page lists the maintainer's email as [email protected].Read 8 Oct 2026 · hexer.readthedocs.io

Supported systems

The documentation says Hexer is for Unix-like systems and that all POSIX-compatible environments should be supported.Read 8 Oct 2026 · hexer.readthedocs.io

Testing limit

The changelog describes the Python test suite as currently testing almost nothing beyond a trivial startup and one editing command.Read 8 Oct 2026 · hexer.readthedocs.io

Where Specifiction places it

• Hex Editors#28 of 326.9