Open-source, ad-free JSON/XML/JWT inspector for Chrome.
APILens is a free, MIT-licensed Chrome extension (Manifest V3) for inspecting API responses. It auto-formats raw JSON and XML into a searchable, collapsible tree, decodes any JWT in one click (header, claims, signature), shows status, content-type, size, timing and response headers for the current tab, and copies the current request as a cURL command. Everything runs locally in the browser: no account, no server, no analytics, no ads. Built as the clean, open-source alternative to the JSON-formatter extensions that went closed-source and started injecting ads. Distributed from GitHub (load unpacked) for now; a Pro tier ($4/mo or $29/yr) is planned for large-file mode, JSONPath/jq queries, JSON diff and saved snippets.