Number Base Converter

Rewrite one value as decimal, binary, octal or hexadecimal without losing precision. The value is handled as an integer, so colour codes, bitmask flags and port numbers come out exactly as the machine stores them.

Math Calculator

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Unit Converter

Base Converter

Sequence Generator

Math Functions

Number Analysis

Scientific Calculator

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Часто задаваемые вопросы о конвертации Number

Can I convert fractional numbers?

No. Rounding would make the bases disagree; this page keeps integers exact in both directions.

How large a number works?

Values inside the page's integer range convert without error; beyond that, split the work or convert part by part.

Will my original file be changed?

The result is downloaded as a separate file. Keep your original until you have checked the The same value in another base.

What should I check before using the result?

Open the The same value in another base in the application that consumes it and spot-check the parts that matter to you; the original file stays untouched if you need to re-run with different options.

Is Number Converter free?

This page is available without creating an account or installing desktop software. Any file, browser, or tool-specific limits are shown in the upload area and options panel.

Are my files safe when I convert online?

This local conversion workflow processes the selected file in your browser. Check the processing notice on the page before using the tool for sensitive material.