Hex to Decimal
Hex to Decimal is a free online converter that helps you convert a hexadecimal number to decimal; also shows binary and octal. Handles arbitrary-size integers via BigInt. Hex to Decimal uses 1 input field, returns 4 output values, and runs in your browser on the device.
Key facts
- Inputs
- 1 field: Hexadecimal
- Outputs
- 4 values: Decimal (base 10), Binary (base 2), Octal (base 8), and Hex normalized (0x, uppercase)
- Runtime
- your browser on the device
- Mode
- Converter
- Privacy
- Files and text stay in the browser session.
- Cost
- $0, no account required
How to use Hex to Decimal
- 1
Paste or fill in the input
Enter your text or values into the input fields on the page.
- 2
Run the utility
Click Compute to run the utility in your browser and review the result.
- 3
Copy the output
Copy the output value you need from the result panel.
Hex to Decimal details
First, enter Hexadecimal in Hex to Decimal. Next, review Decimal (base 10), Binary (base 2), Octal (base 8), and Hex normalized (0x, uppercase). Additionally, Hex to Decimal uses 1 input field and 4 output blocks so the result is easy to scan and copy.
Paste a hex number (with or without an 0x prefix) and instantly get its decimal value, plus the binary and octal representations for free. Uses BigInt under the hood so values much larger than JavaScript's Number.MAX_SAFE_INTEGER work fine; useful for inspecting memory addresses, hashes, or large protocol fields. Runs entirely in your browser; nothing leaves your machine.
Common searches
- hex to decimal
- hexadecimal to decimal
- hex to dec
- convert hex to decimal
- hex to decimal converter
- hex2dec
Related tools
Tools that work with the same formats — most users open one of these next.
Decimal to Hex
Convert a decimal integer to hexadecimal — also shows binary and octal. Uppercase output with optional 0x prefix.
Binary to Decimal
Convert a binary number to decimal — also shows hex and octal. Spaces and underscores ignored.
Decimal to Binary
Convert a decimal integer to binary — also shows hex and octal. Group bits by 4 or 8 for readability.
Hex to Binary
Convert a hexadecimal number to binary — each hex digit becomes 4 bits, padded. Also shows decimal.
Binary to Hex
Convert a binary number to hexadecimal — input is padded to a multiple of 4 bits. Also shows decimal.
Base Converter (2-36)
Convert a number between any two bases from 2 to 36 — also shows the value in binary, octal, decimal and hex.
Frequently asked
What is Hex to Decimal?
Hex to Decimal is a free online converter that helps you convert a hexadecimal number to decimal; also shows binary and octal. Handles arbitrary-size integers via BigInt. Hex to Decimal uses 1 input field, returns 4 output values, and runs in your browser on the device.
What inputs and outputs does Hex to Decimal use?
Hex to Decimal uses 1 input field: Hexadecimal. Hex to Decimal returns 4 output values: Decimal (base 10), Binary (base 2), Octal (base 8), and Hex normalized (0x, uppercase).
Do my files and data stay private?
Yes. Hex to Decimal runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use Hex to Decimal?
Open Hex to Decimal, paste or fill in the input fields, and the result updates instantly. Hex to Decimal runs in your browser with no upload and no waiting.
Which browsers does Hex to Decimal support?
Any modern browser works in Chrome, Firefox, Safari, and Edge on desktop and mobile. Hex to Decimal uses standard web APIs and does not require any plugin, extension, or sign-up.