JSON formatter
Validate and pretty-print JSON, or compress it onto one line.
DeveloperFile checksum
Calculate a SHA-256 checksum for a file without uploading it.
Files & settings
Result
Your result will appear here
How to use file checksum
Choose a supported file or drag it into the upload area. For multiple files, use the arrow buttons to set their order. Select Run tool, then review the result. Use the download or copy controls to keep it. Reset restores the starting settings and clears the result.
Your files stay here
Inputs are processed in your browser and are not uploaded to an Everytool server. Results last until you reset or leave this page. Favorites and recently used tool names are saved only in this browser.