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Knip

Become a sponsor!

Knip is a powerful tool that helps thousands of developers keep their JavaScript and TypeScript projects lean and maintainable. Knip saves teams valuable time and resources.

Building and maintaining Knip has been, and remains, a lot of work. Supportive resources allow me to focus on maintenance and development of Knip, which is relied upon by many in the JavaScript community. Please consider supporting the project! The following platforms are available to support Knip:

You or your company logo will be added to this page if you decide to support the project on an ongoing basis. Eternal gratitude to the companies and people supporting the project!

Forge 42 WebdriverIO Nicolas Carlo Pelle Wessman

🧡 Monthly Overview

Overview of gross debit GitHub and OpenCollective sponsorships and invoices, starting from the moment the project openly asked for support. Actual development started one year before that.

Knip Sponsorships02004006008001,0001,2001,4001,6001,8002,0002,2002,4002,6002,8002023-112023-122024-012024-022024-032024-042024-052024-062024-072024-082024-092024-102024-112024-122025-012025-02monthamount ($)GitHub SponsorsOpenCollective974239489189204304120420422927294102222223422220000075010103525254545145145145
  • The monthly aggregated average over the charted period is $533.
  • The monthly recurring average without one-time payments is $289.
  • GitHub Sponsors is for my GitHub account, which has more repositories, but in practice targets mostly Knip (and perhaps some release-it).

🧡 Past Sponsors

Hyoban

🧡 Projects using Knip

🧡 Testimonials

Gary Tyr@gary__tyr

Knip helped us delete ~300k lines of unused code at Vercel.

6:40 AM · Jan 2, 2025

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Old Man Uzi@daviduzumeri.bsky.social

`knip` is the best code maintenance tool I've used in my 20 years of development, just an absolute work of art

5:33 PM · Jul 29, 2023

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Tom Hicks@Hicksyfern

knip is great.

A great example of stuff just working. It detects your environment so well and its defaults are almost too good because I didn’t realise it was doing everything automatically.

3:19 AM · Jul 4, 2024

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Tom Hicks@Hicksyfern

Then was like “this is how tooling should be, this has taken me an hour not a day and it’s faster and more accurate and more future proof”

Five stars ⭐️⭐️⭐️⭐️⭐️

12:20 PM · Jul 4, 2024

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Jökull Solberg@jokull

Crazy useful tool. Thought it would be a nightmare to setup in my Next.js+Workers repo but it has crazy good automatic detection for code dependencies. In short, Knip creates a graph of code use and highlights dead code for you to snip (knip).

12:35 PM · Jun 18, 2024

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Dominik 🔮@TkDodo

Lars is singlehandedly building the best tool to keep your code clean and your dependencies minimal. And he's so engaging and helpful. Can't imagine going back to not using knip 👏

9:55 AM · May 24, 2024

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Quinn Slack@sqs

warning: do not use a tool like https://knip.dev + code search to delete a ton of unused code. It works too well.

I just did this in https://github.com/sourcegraph/cody/pull/2705, and my boss said if I end the week with net negative lines of code committed, I'm in deep trouble. undefined

1:55 AM · Jan 13, 2024

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Greg Bergé@gregberge_

Ran http://knip.dev in @argos_ci, and boom 💥! Dead code detected instantly. With a good config, it can run on CI to keep projects clean. Installing this tool should be a no-brainer, like Prettier or ESLint.

Kudos, @webprolific! 👏 undefined

11:00 AM · Nov 30, 2023

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Cory House@housecor

Problem:
🚫 Your project has unused files.
🚫 It has unused npm dependencies.
🚫 It has unused TypeScript exports.

But you haven't noticed, because these things are hard to spot.

Solution: knip

I just used knip to find and resolve dozens of issues.

https://t.co/QmN3sNlmbm

2:44 PM · Aug 15, 2023

replies17
reposts163
likes968
bookmarks754

Piotr Gacek 🐟@pkgacek

Knip helped me get rid of over 41k lines of code in legacy codebase 🥺🥺💕

4:51 PM · Nov 27, 2023

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Gajus@kuizinas

Big fans of Knip at @Contra. Such an extremely well developed and maintained project

3:18 PM · Nov 27, 2023

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likes7
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Fernando@fernandoeeu_dev

I've manage to delete 6k LOC in the last 30 minutes 🫣

Great job here @webprolific 👍🏽

3:38 AM · Nov 21, 2023

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Dominik 🔮@TkDodo

knip is an amazing tool. Shoutout to @webprolific for building it 🙌.

Not cleaning up correctly has a real maintenance cost. I've deleted lots of dead code - functions that were only used in tests and components that were only used in stories - all thanks to knip 🚀.

8:59 PM · Oct 16, 2023

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Michael Hoffmann@Mokkapps

🛠️ Knip

👉🏻 Knip finds unused files, dependencies and exports in your JavaScript and TypeScript projects.
👉🏻 Less code and dependencies lead to improved performance, less maintenance and easier refactorings.

https://github.com/webpro-nl/knip

6:00 PM · Aug 28, 2023

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Nicolas Carlo@nicoespeon

Knip is wonderful at finding out unused code/dependencies in a legacy JavaScript/TypeScript application

Recommend 💯

Here's how Josh used it to remove code bloat in Centered:

11:13 AM · Aug 22, 2023

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Kailaash@BKailaash

Streamlining React projects with Knip:

Recently, I employed Knip for a project, and it worked wonders!

It efficiently resolved issues with removing
✅ Unused files,
✅ Unused npm dependencies,
✅ Unneeded TypeScript exports.

A real time-saver for maintaining a clean and efficient codebase. 🛠️ #ReactDevelopment

https://t.co/IbJH2fIzsE

5:55 AM · Aug 21, 2023

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Waldek Mastykarz@waldekm

Found a bunch of unused code, -dependencies, and unnecessary exports. Had just one false positive but overall pretty good. 10/10 would recommend.

If you’ve got a JavaScript package/project use Knip and remove unnecessary code. ✂️

4:52 PM · Aug 19, 2023

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