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Swagger Editor vs Insomnia: catalog facts
Swagger Editor	Insomnia
Free Free to use in the browser.	Freemium Free to use, with a free account unlocking most features. Kong sells paid plans for teams…
Web	Windows, macOS, Linux
Edit OpenAPI definitions in the browser Send live requests to the described API	REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client Local Vault and Git Sync mean the cloud is optional
Focused on OpenAPI files rather than ad hoc requests No saved request collections like a full API client	Most features expect an account, even though a Scratch Pad works without one The 2023 move to account-first storage cost it a lot of goodwill
Web application	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.