How to use Code Validator
- Paste the text you need to validate into the input box.
- Use the Language setting to control the result.
- Code Validator updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
Everything Code Validator does happens on your own device. Code Validator is a free Code Tools utility that runs in your browser, doing its work on the input you provide without a backend.
It is designed to do one job well and stay out of your way. No data is sent anywhere, so it stays fast and private by default.
Frequently asked questions
How do I use Code Validator?
Code Validator lets you validate your input right in the browser using the Language control, with the result shown instantly and nothing uploaded.
Is Code Validator free to use?
Yes — Code Validator is completely free, with no usage limits.
Where is my data processed by Code Validator?
Entirely in your browser — Code Validator keeps your data on your own machine and sends nothing anywhere.
Does Code Validator work offline?
Once the page has loaded, Code Validator keeps working with no network connection.