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Comparison

ts-toolbelt vs type-fest

TypeScript toolingPackage data 25 Sept 2026
ts-toolbeltv9.6.0, 10 Mar 2021

TypeScript's largest utility library

$ npm install ts-toolbelt
type-festv5.10.0, 17 Sept 2026

A collection of essential TypeScript types

$ npm install type-fest
Metricts-toolbelttype-festDifference
Weekly downloads7,059,076285,090,306type-fest 40.4x higher
12-month download growth+88%+47%ts-toolbelt +41 pts
Gzip size---
Minified size---
Dependencies01type-fest 1 more
Unpacked size242 kB567 kBts-toolbelt 2.3x smaller
Latest release9.6.0, 10 Mar 20215.10.0, 17 Sept 2026type-fest 5.5 years more recent
Releases, last 12 months015type-fest 15 more
First published24 May 201913 Mar 2019type-fest 2 months earlier
GitHub stars7,15017,419type-fest 2.4x higher
Open issues66179type-fest 113 more
Open pull requests1849type-fest 31 more
Contributors-222-
Commits, last 52 weeks0141type-fest higher
TypeScript typesBundledBundledSame
Module formatCommonJSESM onlyDiffers
Runtimes---
LicenseApache-2.0(MIT OR CC0-1.0)Differs

Green marks the smaller size or the more recent release. Bold marks the higher count, with no judgement implied. Sizes are for the whole package per Bundlephobia. Growth compares the average of the last 4 weeks with the first 4 weeks of the 52-week series.

ts-toolbelt7.1m latest weektype-fest283.9m latest week
Week of 23 Sept 2025Week of 15 Sept 2026
Weekly npm downloads, 52 weeks. Y axis starts at zero. Values are not smoothed.

ts-toolbelt

Major versions
  1. 0.0.024 May 2019
  2. 1.0.017 Jun 2019
  3. 2.0.025 Jun 2019
  4. 3.0.025 Jul 2019
  5. 4.0.119 Sept 2019
  6. 6.0.122 Dec 2019
  7. 8.0.223 Aug 2020
  8. 9.1.630 Jan 2021
Last 5 releases
  1. 9.6.010 Mar 2021
  2. 9.5.1310 Mar 2021
  3. 9.5.1210 Mar 2021
  4. 9.5.106 Mar 2021
  5. 9.5.96 Mar 2021
498 releases in total, 0 in the last 12 months

type-fest

Major versions
  1. 0.1.013 Mar 2019
  2. 1.0.022 Mar 2021
  3. 2.0.06 Aug 2021
  4. 3.0.021 Sept 2022
  5. 4.0.016 Jul 2023
  6. 5.0.013 Sept 2025
Last 5 releases
  1. 5.10.017 Sept 2026
  2. 5.9.030 Aug 2026
  3. 5.8.04 Jul 2026
  4. 5.7.031 May 2026
  5. 5.6.017 Apr 2026
194 releases in total, 15 in the last 12 months
ts-toolbelt

-

type-fest

-

ts-toolbelt

-

type-fest

-

  • Need no runtime dependenciests-toolbelt (ts-toolbelt has 0, type-fest has 1)
  • Need both ESM and CommonJS entry pointsNeither (ts-toolbelt: CommonJS; type-fest: ESM only)
  • Need to load it with require()ts-toolbelt
  • Need TypeScript types in the package itselfBoth
  • Node.js version requirementts-toolbelt: none declared; type-fest: >=20 (engines field in package.json)
  • Need the more recent releasetype-fest (5.10.0 on 17 Sept 2026 vs 9.6.0 on 10 Mar 2021)
  • Higher weekly npm downloadstype-fest (285.1m vs 7.1m)
  • Licensets-toolbelt: Apache-2.0; type-fest: (MIT OR CC0-1.0)

Each line is generated from the data above.

Indexability: Indexed: 10 US searches/month across both orderings ("ts-toolbelt vs type-fest", "type-fest vs ts-toolbelt").