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Developer Tools · head to head

Keil MDK vs Puppeteer

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Rated
-
Full reviewWebsite
Puppeteer logo

Puppeteer

Testing

Node.js library for controlling Chrome and Firefox

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site; Puppeteer chrome and Firefox only, with no Safari or WebKit story

Where they differ

Only the attributes on which Keil MDK and Puppeteer actually diverge.

Attributes where Keil MDK and Puppeteer differ
AttributeKeil MDKPuppeteer
Pricing modelfreemiumOpen source, no licence fee
PlatformsWebLinux, macOS, Windows
CategoryDeveloper ToolsTesting

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Keil MDK

Nothing recorded that Puppeteer does not also cover.

Only in Puppeteer

  • DevTools Protocol
  • Headless by default
  • PDF and screenshots
  • Network interception

What people use each for

The jobs each tool is most often brought in to do.

Keil MDK

  • Embedded software developmentnot Puppeteer
  • ARM microcontroller programmingnot Puppeteer
  • Professional development environmentsnot Puppeteer

Puppeteer

  • Generating PDFs or screenshots of rendered pages on a servernot Keil MDK
  • Scraping sites that require JavaScript executionnot Keil MDK
  • Automating browser tasks where a full test framework is unnecessarynot Keil MDK

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Keil MDK

  • Pricing for Essential and Professional subscriptions not disclosed on primary site
  • Customers must contact Arm Developer Tools store for subscription rates

Puppeteer

  • Chrome and Firefox only, with no Safari or WebKit story
  • Not a test framework: assertions, retries and reporting need Jest or similar bolted on
  • Bundles a Chromium download, which makes installs large and awkward in constrained CI images

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Puppeteer

Free
  • PuppeteerFree
    • Full functionality
    • Unlimited tests
    • Community support

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose Puppeteer if

  • You need devtools protocol.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want headless by default.
Puppeteer review

Questions people ask

Is Keil MDK or Puppeteer better?
Neither clearly leads. Keil MDK starts at Free and Puppeteer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or Puppeteer?
Keil MDK starts at Free and Puppeteer at Free.
Does Keil MDK or Puppeteer run on more platforms?
Keil MDK runs on Web. Puppeteer runs on Linux, macOS, Windows.
Can I use Keil MDK for free?
Both have a free tier, so you can try either at no cost before committing.
What is Keil MDK best used for?
Keil MDK is most often used for embedded software development, arm microcontroller programming, professional development environments. Of those, embedded software development and arm microcontroller programming are not what Puppeteer is typically brought in for.
What can Keil MDK do that Puppeteer cannot?
Puppeteer covers DevTools Protocol, Headless by default, PDF and screenshots, Network interception.

Answered from the vendors’ own pages

Keil MDK: Does Keil MDK have a free version?

Yes, Keil MDK Community Edition is free for non-commercial projects. Essential and Professional editions are available as monthly or annual subscriptions.

Source
Puppeteer: Is Puppeteer free?

Yes, open source from the Chrome team.

Keil MDK: How much do Keil MDK paid editions cost?

Specific pricing for Essential and Professional editions is not published on the main site. Rates are available from the Arm Developer Tools store or by contacting Arm sales.

Source
Puppeteer: Puppeteer or Playwright?

Playwright came from the same original team, adds WebKit and Firefox support, automatic waiting and a test runner. Puppeteer stays a focused Chrome automation library, which is simpler if automation rather than testing is the goal.

Puppeteer: Can Puppeteer generate PDFs?

Yes, and it is one of the most common uses — rendering a page and printing it to PDF server-side.

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