About this utility
How to use Number Base Converter
Convert arbitrary-size signed integers between bases 2 and 62 without precision loss.
What to provide
Enter digits valid for the source base. Bases above 36 are case-sensitive. Automatic mode recognizes 0b, 0o, and 0x prefixes.
- Paste, type, or drag and drop a supported text file into the input area.
- Choose the options that match your intended result.
- Select “Run tool” or press Ctrl/Command + Enter, then copy, download, or move the result back into the first input for another pass.
What the result means
The exact integer in the target base.
Privacy and safety
This utility is loaded as browser code and processes your input only in this tab. OmniCastConverter has no upload endpoint and never stores your content, filenames, tokens, or secrets. Generated markup and code are shown as inert text and are never executed.
Limitations
- This tool converts integers only; use Number Format Converter for fractions, percentages, and scientific notation.
Try the included example
Select “Load example” at any time to restore this tested sample.
123456789012345678901234567890