JSON ↔ YAML Converter
Convert structured data between JSON and a practical safe YAML subset in the browser.
Convert DataDeveloper Tools
Fetch and inspect bounded public HTML source with line numbers and a downloadable text copy. The interface provides a focused workflow, clear output and…
Fetch and inspect bounded public HTML source with line numbers and a downloadable text copy.
Privacy: Your input is processed in the browser where supported and is not intentionally stored by this tool.
The code, structured data, expression, token, or sample value requested by the interface.
Choose only the settings that apply to the result you need; leave optional controls unchanged when you are unsure.
Start the task and wait for the interface to return its result or a clear setup message.
Test the result in a non-production environment. Never paste passwords, private keys, live access tokens or confidential production data.
Convert structured data between JSON and a practical safe YAML subset in the browser.
Convert DataConvert JSON objects and arrays to XML or turn ordinary XML elements into JSON.
Convert DataConvert newline-delimited JSON records to a JSON array and back with row-level validation.
Convert RecordsConvert common Markdown formatting to sanitized HTML or readable HTML back to Markdown.
Convert MarkupEncode reserved HTML characters or decode named and numeric HTML entities.
Encode or DecodeThe code, structured data, expression, token, or sample value requested by the interface. Start with a representative input and use only the options needed for your intended result.
A transformed, generated, or diagnostic result for the submitted technical input. Check the result against the original input before using it in a live or important workflow.
Test the result in a non-production environment. Never paste passwords, private keys, live access tokens or confidential production data.
Processing stays in the browser where the individual feature supports it. Live public checks use a protected, rate-limited site endpoint; avoid unnecessary sensitive data.
The page can be used without creating a visitor account. Your browser or device may limit unusually large files or demanding media jobs.
Public Webpage Source Viewer brings the required input, options and result into one focused workflow. Fetch and inspect bounded public HTML source with line numbers and a downloadable text copy. The result changes when the source data or selected options change, so it is easy to run a second comparison.
The code, structured data, expression, token, or sample value requested by the interface.
A transformed, generated, or diagnostic result for the submitted technical input.
For a typical workflow, use it to inspect a small representative sample before applying the same change in a production workflow. Start with a representative input, inspect the first result, then adjust one setting at a time if you need a different outcome.
Processing stays in the browser where the individual feature supports it. Live public checks use a protected, rate-limited site endpoint; avoid unnecessary sensitive data.