Base conversion,
the instant you copy.
BaseX watches your clipboard and shows decimal, hexadecimal, binary, and IEEE 754 representations immediately. No setup, no Convert button, and no data sent anywhere.
MIT licensed • Unlimited on every platform • No telemetry
Built for Engineering
Native performance. Zero friction.
Low resource usage. Optimized for developer workflows.
Native performance. No web overhead.
Web converters can consume significant system memory. BaseX is an ad-free native utility designed for high performance and a minimal resource footprint.
Auto-detects from clipboard.
- Identifies Binary, Decimal, Hex automatically.
- Accepts clipboard content immediately on focus.
- Pin window to top for continuous reference.
Visualize and manipulate binary data.
Features for low-level debugging and data inspection.
Little Endian Hex
Decodes Little Endian Hex without manual byte swapping.
Full Byte Padding
Separates bytes visually for easier reading.
Live Binary Editing
Toggle bits to update integer values in real-time.
IEEE 754 Floating Point
Converts between Float 32/64 and Hex representation.
MIT Licensed
Free and open source.
BaseX is unlimited on macOS, Windows, and Linux. Inspect the code, report an issue, or adapt it to your workflow. The desktop app has no accounts, analytics, crash reporting, or telemetry.
Frequently asked questions
Is BaseX free?
Yes. BaseX is free and open source under the MIT License, with no conversion limits.
Does BaseX work offline?
Yes. Conversion and clipboard processing happen locally. The desktop app has no analytics, crash reporting, or telemetry.
Where can I report a problem?
Open an issue in the GitHub repository at github.com/dopcn/base_x.
What happens when input is ambiguous?
BaseX shows every valid interpretation and lets you switch with a click or Tab.