Softwr

Cloud · head to head

Packer vs REST Client VSCode

Packer logo

Packer

Cloud

Build automated machine images

From
Free
Rated
-
Full reviewWebsite
REST Client VSCode logo

REST Client VSCode

APIs

VSCode extension for making HTTP requests and testing REST APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Packer packer 1.10.0 and later is licensed under the Business Source License 1.1 with IBM Corporation as licensor, not an OSI open source licence; REST Client VSCode limited to Visual Studio Code; not available as a standalone application
  • They diverge on capability: Packer covers Image building, REST Client VSCode covers REST Client.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Packer and REST Client VSCode actually diverge.

Attributes where Packer and REST Client VSCode differ
AttributePackerREST Client VSCode
Pricing modelopen-sourceUnknown
PlatformsLinux, Windows, MacWindows, macOS, Linux
CategoryCloudAPIs
Founded20132016

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 Packer

  • Image building
  • Multi-platform support
  • Provisioners
  • Builders
  • Post-processors
  • Variables
  • Data sources
  • Validation

Only in REST Client VSCode

  • REST Client
  • HTTP requests
  • Response viewing
  • VSCode
  • Environment variables
  • Custom headers
  • VSCode extension support

What people use each for

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

Packer

  • Building identical machine images for multiple clouds from one templatenot REST Client VSCode
  • Baking golden AMIs and VM images into a CI pipelinenot REST Client VSCode
  • Creating immutable infrastructure artifacts consumed by Terraformnot REST Client VSCode

REST Client VSCode

  • API Developmentnot Packer
  • API Gatewaynot Packer
  • API Testingnot Packer
  • API Documentationnot Packer
  • Microservicesnot Packer

Where each one falls short

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

Packer

  • Packer 1.10.0 and later is licensed under the Business Source License 1.1 with IBM Corporation as licensor, not an OSI open source licence
  • The Additional Use Grant forbids offering Packer to third parties on a hosted or embedded basis in a paid product that competes with IBM's paid versions of Packer
  • Each version converts to the MPL 2.0 Change License only four years after that version is first published, and the Change Date is set separately per version
  • Alternative licensing for uses outside the grant must be arranged with the licensor rather than taken under the public licence

REST Client VSCode

  • Limited to Visual Studio Code; not available as a standalone application
  • No support for WebSocket, gRPC, or other advanced protocols
  • No cloud sync or team server features; requires Git-based workflow

Pricing, plan by plan

Packer

Free
  • Open SourceFree
    • Multi-platform image building
    • Template-driven
    • Provisioner support

REST Client VSCode

Free

No published plan breakdown. See the REST Client VSCode review.

Which should you pick?

Choose Packer if

  • You need image building.
  • You want to start without paying.
  • You work on Linux, Windows, Mac.
  • You also want multi-platform support.
Packer review

Choose REST Client VSCode if

  • You need rest client.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want http requests.
REST Client VSCode review

Questions people ask

Is Packer or REST Client VSCode better?
Neither clearly leads. Packer starts at Free and REST Client VSCode at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Packer or REST Client VSCode?
Packer starts at Free and REST Client VSCode at Free.
Does Packer or REST Client VSCode run on more platforms?
Packer runs on Linux, Windows, Mac. REST Client VSCode runs on Windows, macOS, Linux.
Can I use Packer for free?
Both have a free tier, so you can try either at no cost before committing.
What is Packer best used for?
Packer is most often used for building identical machine images for multiple clouds from one template, baking golden amis and vm images into a ci pipeline, creating immutable infrastructure artifacts consumed by terraform. Of those, building identical machine images for multiple clouds from one template and baking golden amis and vm images into a ci pipeline are not what REST Client VSCode is typically brought in for.
What can Packer do that REST Client VSCode cannot?
Packer covers Image building, Multi-platform support, Provisioners, Builders. REST Client VSCode covers REST Client, HTTP requests, Response viewing, VSCode.

Answered from the vendors’ own pages

Packer: How much does HashiCorp Packer cost?

Packer does not publish specific pricing on its website. The open-source Packer tool is free, while HCP Packer (HashiCorp's cloud-hosted version) offers a free trial, but detailed pricing requires contacting HashiCorp.

Source
REST Client VSCode: How much does REST Client VSCode cost?

REST Client VSCode is completely free and open source. It is available on the Visual Studio Code Marketplace with no subscription or licensing fees.

Source
REST Client VSCode: What authentication methods does REST Client support?

REST Client supports Basic Auth, Digest Auth, SSL certificates, Azure AD, and AWS Signature v4 authentication for API requests.

Source
REST Client VSCode: Can I save and manage multiple requests?

Yes. REST Client supports multiple requests per file using ### delimiters, request history with auto-save, environment variables for different configurations, and code snippet generation for multiple programming languages.

Source
REST Client VSCode: How do teams collaborate with REST Client?

REST Client requests are stored as text files that can be version-controlled in Git repositories. Teams collaborate by sharing requests through Git, making the API specs part of the codebase.

Source
REST Client VSCode: What protocols does REST Client support?

REST Client primarily supports HTTP/HTTPS and GraphQL. It does not support WebSocket, gRPC, or other advanced protocols available in desktop clients like Insomnia.

Source
REST Client VSCode: Is there cloud sync for REST Client requests?

No. REST Client has no built-in cloud sync or team server features. All collaboration and sharing relies on Git repository management.

Source
Share

Related pages

More on Packer

More on REST Client VSCode

Keep looking

Other head to heads