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Kthoom

In-browser comic book and archive reader

E-books & Media Library ★ 151 stars Easy setup MIT

Kthoom is a comic book reader that runs entirely in the web browser, opening CBZ, CBR, and other archive formats. It can be self-hosted as static files for reading comics from any device.

Official siteSource code

Key features

  • In-browser comic reading
  • CBZ and CBR support
  • Static self-hosting
  • No server runtime needed

Pros & cons

Strengths

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • Written in JavaScript
  • Tiny footprint — runs in 64 MB RAM

Trade-offs

  • Reader only, no library
  • Minimal organization

Is Kthoom secure?

OSV.dev has no published security advisories for Kthoom's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Kthoom replaces

Self-hosted ComiXology alternatives

Health badge

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SelfHostIndex: 54 · fair

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Compare Kthoom

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