What placeholders are supported?

Common ones: %s (string), %d (integer), %f (number), %o (octal), %x (hex). You provide values in order.

How do I add the values?

Enter one value per line (or comma-separated) in the same order as the placeholders in the format string.

Yes. Formatting runs entirely in your browser.

Build text from a format string with placeholders (%s, %d, etc.) and form fields. Simple sprintf-style substitution, client-side.

Format stringValues (one per line or comma-separated, in order)

Output

Hello World, you have 5 messages.

What placeholders are supported?: Common ones: %s (string), %d (integer), %f (number), %o (octal), %x (hex). You provide values in order.
How do I add the values?: Enter one value per line (or comma-separated) in the same order as the placeholders in the format string.
Client-side?: Yes. Formatting runs entirely in your browser.

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