HTML Entity Encoder & Decoder
Encode reserved HTML characters or decode named and numeric HTML entities.
Encode or DecodeDeveloper Tools
Convert common Markdown formatting to sanitized HTML or readable HTML back to Markdown. The interface provides a focused workflow, clear output and export or…
Convert common Markdown formatting to sanitized HTML or readable HTML back to Markdown.
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.
Encode reserved HTML characters or decode named and numeric HTML entities.
Encode or DecodeParse URL components, edit query parameters and rebuild an encoded URL.
Parse URLIdentify common browser, rendering engine, operating system and device signals in a user-agent string.
Parse User AgentGenerate responsive CSS clamp values from minimum, maximum and viewport measurements.
Generate clamp()Build linear or radial CSS gradients with adjustable angle, colours and stop positions.
Generate GradientThe 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. Confirm both the source and destination formats; conversion can change unsupported formatting, metadata or quality.
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.
This Markdown ↔ HTML Converter page is organised around the task described in the tool interface. Convert common Markdown formatting to sanitized HTML or readable HTML back to Markdown. 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.
One useful scenario is 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.