What is Text input?
Your original text, kept on this device. The tool does not modify a loaded source file.
Number Base Converter
Convert signed integers between binary, octal, decimal and hexadecimal without floating-point rounding.
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No file selectedUTF-8 · Up to 1 MB
Integers only, up to 4,096 digits. Prefixes 0b, 0o and 0x are accepted only for their matching input base.
How to use Number Base Converter
Enter your input
Paste text, load a UTF-8 text file or choose Try example to get started.
Choose options and run
Convert signed integers between binary, octal, decimal and hexadecimal without floating-point rounding.
Copy or download
Review the result, then copy it or save the TXT file.
Frequently asked questions
How do I use Number Base Converter?
Convert signed integers between binary, octal, decimal and hexadecimal without floating-point rounding. Load the example or enter your own input, choose the options, then select Run.
Can I copy or download the result?
Yes. Copy the result or download it as a TXT file after processing.
What should I know before using this tool?
Integers only, up to 4,096 digits. Prefixes 0b, 0o and 0x are accepted only for their matching input base.
Is my input uploaded or saved?
No. Processing runs on this device. Inputs and results are not uploaded or saved by this tool.
About Number Base Converter
Here is what each format is for, and when converting input into a useful result is the right move.
What is Processed result?
Convert signed integers between binary, octal, decimal and hexadecimal without floating-point rounding.
When you need it
Integers only, up to 4,096 digits. Prefixes 0b, 0o and 0x are accepted only for their matching input base.