MIME & File Type Inspector
Inspect local file signature bytes, browser MIME type, extension, size and modification date.
Inspect FileDeveloper Tools
Scan pasted code for patterns resembling exposed API keys, tokens, private keys and credentials. The interface provides a focused workflow, clear output and export…
Scan pasted code for patterns resembling exposed API keys, tokens, private keys and credentials.
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.
Inspect local file signature bytes, browser MIME type, extension, size and modification date.
Inspect FileCalculate SHA-256 and legacy MD5 fingerprints from an OpenSSH public key.
View FingerprintValidate JSON against common schema rules including types, properties, required fields, arrays and patterns.
Validate JSONTurn CSV-style data into accessible responsive HTML table markup with optional headers and caption.
Generate TableCompare two JSON documents and create an RFC 6902-style patch with readable change details.
Compare JSONThe 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.
Use Code Secret Scanner when you need a focused result without installing a separate desktop application. Scan pasted code for patterns resembling exposed API keys, tokens, private keys and credentials. 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.
A practical way to use it 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.