Convert text to ASCII binary (8-bit) and back
No uploads — conversion happens locally in your browser

Use a simple chronometer (stopwatch) to track elapsed time down to milliseconds. Runs locally in your browser.
Normalize email addresses to a standard format for easier comparison. Useful for deduplication and data cleaning. Runs locally in your browser.
Estimate the time needed to consume a total amount at a constant rate, and get an expected end time. Runs locally in your browser.
Parse and decode your JSON Web Token (JWT) and display its content. All computation runs locally in your browser.
Know which file extensions are associated to a MIME type, and which MIME type is associated to a file extension. Includes a full MIME types table.
Generate random Lorem Ipsum placeholder text with customizable paragraphs, sentences, and word counts. Runs locally in your browser.