Compare text length with its actual UTF-8 storage size.
Use the example inputs or enter your own values.
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Compare text length with its actual UTF-8 storage size. Uses the browser TextEncoder to measure UTF-8 bytes, then reports bytes per code point and equivalent KiB. Update the result, inspect it, then copy or download the output. Reset restores the example inputs so you can start a new calculation.
Uses the browser TextEncoder to measure UTF-8 bytes, then reports bytes per code point and equivalent KiB.
Enter input text. Update the result, inspect it, then copy or download the output. Reset restores the example inputs so you can start a new calculation.
UTF-8 byte size excludes file-system metadata, compression and protocol overhead.
No. This tool works in a modern browser with JavaScript enabled. Your inputs are not submitted to a server by the tool.
Use Copy for the textual result or Download for a local file. Image tools download a generated image when one is available.
No. It produces a result for you to review. Production changes remain a separate step.
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