Okteta

At a glance

• Editor score
  7.1 / 10
• Pricing
  Open source
• Best for
  Linux users needing structure-aware editing
• Paid from
  Free
• Facts checked
  21 Sep 2026

• Where it wins

  • Supports hexadecimal, decimal, octal, and binary byte views
  • Analyzes and edits structures with XML or JavaScript definitions
  • Includes filtering, string extraction, statistics, checksums, and hashes

• Where it doesn't

  • Available on Linux rather than multiple desktop platforms
  • Structure workflows require user-created XML or JavaScript definitions
  • Does not include AI-assisted features

Our verdict on Okteta

Okteta is an open-source desktop hex editor from KDE for viewing and editing file data at the byte level. It suits Linux users who need to inspect raw bytes, navigate binary content, search for byte sequences or text, and make controlled edits. The interface supports hexadecimal, decimal, octal, and binary representations, with editing and navigation comparable to a text editor. Multiple open files, configurable data views, and undo and redo support make it suitable for examining several files during the same work session.

Its standout capability is structure-based binary analysis and editing. Okteta can work with byte arrays through user-created XML or JavaScript structure definitions, allowing users to describe and inspect structured binary data instead of relying only on a flat byte view. That makes it a stronger fit for users who understand the format they are examining and want structure-aware workflows. Binary filtering, string extraction, byte statistics, checksum calculation, and hash calculation add practical analysis tools around the editor.

Okteta’s scope is focused: it is a Linux desktop tool for byte-level inspection and editing, rather than a cross-platform application or a broader development environment. Its structure features also depend on creating or obtaining suitable XML or JavaScript definitions, so they may require technical preparation for format-specific work. Choose Okteta if Linux support, multiple byte representations, and customizable structure analysis are priorities. Choose another tool if you need Windows or macOS availability, built-in structure definitions for a specific format, or AI-assisted functionality.

Your product? Our editors can test Okteta in depth and publish a review, labelled as paid · from $149/mo →

Okteta pricing

Okteta fact sheet

Alternatives to Okteta

• ImHexImHex packs advanced binary analysis, editing, and inspection into a free cross-platform desktop tool.9.4
• 0E010 EditorA deep cross-platform editor for structured binary work, debugging, and disk analysis.9.2
• Hex Editor NeoA broad free Windows toolkit for binary editing, analysis, comparison, and recovery work.8.9

See all Okteta alternatives →

Featured on iTechGuides

Okteta is listed in our Hex Editors directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/okteta/"><img src="https://www.itechguides.com/best/badge/okteta.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update