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🖥️Hex Debug Utility

Professional Hexa to Decimal Debugger

Convert hex values from logs and debuggers into decimal with developer-grade controls for bit depth, signed logic, endianness, and byte-level inspection.

Quick Answer

Hex to decimal conversion turns base-16 values into base-10 numbers. This tool also shows signed two's-complement output, binary, octal, text previews, and context-aware color interpretation.

🧠

Live Hex Conversion Engine

Paste hex values and inspect decimal, binary, signed, text, and color context in one screen.

Accepts 0-9, A-F, optional 0x/# prefixes, and space-separated bytes.

Try examples

Bit depth

Endianness

Omni-result view

Unsigned decimal

255

Signed (two's complement): 255

Binary (grouped)

0000 0000 1111 1111

Octal

377

ASCII preview

.

UTF-8 preview

�

Bit-flip visualizer

Core Facts

  • Supports BigInt-safe conversion to avoid overflow at large values.
  • Signed decimal uses two's complement based on selected bit depth.
  • Input parser accepts both compact hex and byte-separated formats.
  • Color preview activates automatically for 3 or 6 hex characters.

How It Works

  1. Paste a hex value from logs, code, memory dumps, or payload data.
  2. Choose bit depth and endian mode to match your runtime context.
  3. Read unsigned and signed decimals with binary/octal/text previews.
  4. Flip bits interactively to validate register or mask behavior.

Common Use Cases

  • Embedded register debugging where signed and unsigned values differ.
  • Frontend color hex parsing and RGB sanity checks.
  • Security payload inspection for offsets and text fragments.
  • Low-level bitmask tuning with interactive bit flipping.

Scope and Limitations

  • Text previews are best-effort and may include placeholders for non-printable bytes.
  • Bit-depth masking can change interpretation if your source data exceeds selected width.
  • Always validate mission-critical protocol values against system specs.

Frequently Asked Questions

What does signed vs unsigned decimal mean?

Unsigned treats all bits as magnitude. Signed uses two's complement and can represent negative values.

Why does endian mode matter?

Endian mode changes byte order interpretation, which can produce very different numeric outputs.

Can this handle large hex values safely?

Yes. The converter uses BigInt-based arithmetic to avoid precision loss on large integers.

Why is there an overflow hint?

If the value exceeds selected bit width, the tool masks to that width for signed interpretation.

Can I convert space-separated bytes?

Yes. Inputs like 48 65 6C 6C 6F are parsed as byte arrays and converted together.

How does the bit flip visualizer work?

Clicking a bit toggles it between 0 and 1, then recalculates hex and all output bases live.

Does color preview always appear?

Color preview appears when input length is 3 or 6 hex digits, matching common RGB hex formats.

Can I copy output quickly?

Yes. One-tap copy supports decimal, byte-array style hex, and C-style prefixed hex.

References and Standards

JavaScript BigInt referenceTwo's complement background