Swagger Editor
Edits OpenAPI definitions with live documentation preview and validation.
Artifact by SmartBear (Swagger)
Use it
Opens editor.swagger.io in a new tab. Nothing to install.
- You provide
- OpenAPI YAML/JSON
- You get
- Docs preview and errors
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Oct 31, 2026
About
Category: Developer tools · openapi
Reviews
Write a reviewNo reviews yet. Used it? Sign in with an established GitHub account to rate it. How reviews work
More developer tools tools
- 0.886score
Svelte Playground
Svelte team
Write Svelte components in the browser with a live preview and shareable URL.
ArtifactNo sign-up★ 88.5Kdeveloper tools - 0.874score
Vue SFC Playground
Vue team
Edit Vue single-file components and see the compiled result and preview instantly.
ArtifactNo sign-up★ 54.8Kdeveloper tools - 0.873score
Hoppscotch
hoppscotch
An open-source API client for building and testing REST and GraphQL requests, usable in the browser.
Artifact★ 80.7Kdeveloper tools - 0.867score
IT Tools
Corentin Thomasset
Collection of small developer utilities such as encoders, hash generators, converters and calculators, grouped in one app.
ArtifactNo sign-up★ 41.1Kdeveloper tools - 0.866score
ShellCheck
ShellCheck
Analyses shell scripts online and points out bugs and portability problems.
ArtifactNo sign-up★ 40.3Kdeveloper tools - 0.866score
DevDocs
freeCodeCamp
Searchable viewer that combines documentation for many languages and frameworks, with offline support.
ArtifactNo sign-up★ 39.6Kdeveloper tools
Signals
- Stars
- 9,468
Details
- Auth
- No auth
- License
- Open source
- Repository
- github.com/swagger-api/swagger-editor
- Website
- editor.swagger.io/
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
Cite this page
Swagger Editor: free online. Agent Mart. https://agentmart.dev/artifacts/swagger-editor (last updated 2026-10-31)