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Text Size Calculator | UTF-8, JSON, Base64 & Payload Bytes

Calculate the size of input text as UTF-8, UTF-16, UTF-32, JSON string, Base64, and URL-encoded data. Useful for code, DB documents, and API payloads. Designed specifically for developers and professionals, this free online analyzer runs entirely in your browser to process tasks quickly and securely. Enjoy unlimited usage with no data tracking and no registration required.

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Frequently asked questions

What is Text Size Calculator used for?

Calculate the size of input text as UTF-8, UTF-16, UTF-32, JSON string, Base64, and URL-encoded data. Useful for code, DB documents, and API payloads.

Is Text Size Calculator free to use?

Yes. Text Size Calculator is completely free with no usage limits, and there is no paid tier required to use it.

Do I need an account to use Text Size Calculator?

No. Text Size Calculator works immediately in your browser with no signup, login, or email address required.

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