🔢Number Base Converter (All)
Convert a number to binary, octal, decimal, and hex at once.
🆓 Free🔒 Secure⚡ Instant📱 Mobile-friendly🚫 No signup
Convert any number to all bases at once online for free. Binary, octal, decimal, hexadecimal.
Binary (base 2)
11111111
Octal (base 8)
377
Decimal (base 10)
255
Hex (base 16)
FF
How to Use Number Base Converter (All) — Step by Step
- 1Paste a list of numbers (one per line) in decimal, binary, hex, or octal
- 2Choose the input base and output base
- 3Click 'Convert All' — every number in the list is converted in batch
- 4Copy the converted list or download as a text file
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Frequently Asked Questions
Is this tool completely free?
Yes. All ToolNest tools are 100% free with no signup required, no account, and no watermarks added to output files.
Are my uploaded files secure and private?
All uploads use HTTPS encryption during transfer. Files are processed on secure isolated servers and automatically deleted within 2 hours of upload.
Does this tool work on mobile phones?
Yes. ToolNest works on any modern browser on iPhone, Android, tablet, or desktop — no app download or plugin needed.
Do I need to create an account?
No. Just open the tool, upload your file, and download the result. No email, no signup, no password.