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@toon-format/toon

Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts

v4.1.1, 5 Aug 2026MITESM onlyTypes: BundledAI and machine learning
$ npm install @toon-format/toon
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Key numbers

As of 25 Sept 2026
Weekly downloads
989.6k
- over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
1 month ago
v4.1.1
GitHub stars
25.4k
1.1k forks
Open issues / PRs
3 / 8
Contributors
-
Commits, last 52 weeks
474

Downloads

No weekly download data in the snapshot.

989,571 downloads last week, 4,430,770 in the last month. No 52-week series has been fetched yet.

Maintenance

Releases, last 12 months
2121 in total
Latest version
4.1.1, 5 Aug 20261 month ago
First published
1 Nov 2025
Last push to GitHub
3 Sept 202621 days before the snapshot
Repository archived
No
Open issues
3
Open pull requests
8
Commits, last 52 weeks
474
Dependents on npm
598

Major versions

  1. v4 first release 4.0.0, 22 Jul 2026
  2. v2 first release 2.0.0, 24 Nov 2025
  3. v1 first release 1.0.0, 10 Nov 2025
  4. v0 first release 0.6.0, 1 Nov 2025

Recent releases

VersionPublished
4.1.15 Aug 2026
4.1.026 Jul 2026
4.0.022 Jul 2026
2.3.116 Jul 2026
2.3.020 May 2026
2.2.08 May 2026
2.1.04 Dec 2025
2.0.127 Nov 2025
2.0.024 Nov 2025
1.4.024 Nov 2025
1.3.021 Nov 2025
1.2.021 Nov 2025
1.1.021 Nov 2025
1.0.010 Nov 2025

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
110 kB
Dependencies (0)
None

Install

npm install @toon-format/toon

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/@toon-format/toon@4.1.1/
  • unpkghttps://unpkg.com/@toon-format/toon@4.1.1/
  • esm.shhttps://esm.sh/@toon-format/toon@4.1.1
Sources: npm registry, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.