Work with JSON
Validate JSON, pretty-print nested data or produce a compact result.
Open JSON →Useful features and concise guides, all in one place. Inspect and transform data right in your browser, with no account and no unnecessary steps.
Every action produces a real result. Rather than a mock login, three practical functions you can use immediately.
Validate JSON, pretty-print nested data or produce a compact result.
Open JSON →Encode or decode multilingual text right inside your browser.
Open Base64 →Hash text or a small file locally, without uploading it.
Open SHA-256 →This panel displays only information reported by your browser. It is not server monitoring or a network speed test.
Focused guides explain what each tool does and when to use it.
Formatting, common errors and data structure, with a small example.
Read →Checksums are useful for comparison, but they do not encrypt data.
Read →What stays local and what a typical web server can observe.
Learn more →No. All public tools are available without signing in. This website does not collect passwords or use a fake login form.
Text entered in the tools and files selected for hashing are processed by JavaScript in your browser. Like any website, loading these pages still exchanges network metadata with the web server.
No. The connectivity hint comes from your browser's navigator.onLine property and does not monitor any remote system.