Convert IPv6 to Hex
Convert an IPv6 address to hexadecimal form. Runs entirely in your browser, so your data never leaves your device.
0 chars · 0 lines
Output
The result appears here as you type.
How to use Convert IPv6 to Hex
- 1. Paste the IPv6 address. Enter a standard colon-separated IPv6 address, compressed or expanded, such as a documentation-range address or a real interface address from your network.
- 2. Choose the Output format. Pick Plain (32 hex digits) for a bare unbroken string suited to database storage, or 0x prefixed if the destination expects a recognizable hex literal.
- 3. Copy the hex string. Copy the 128-bit hex representation into a database column, a script variable or a binary protocol field that stores addresses as raw hex rather than colon notation.
When to use Convert IPv6 to Hex
Convert IPv6 to Hex flattens a standard IPv6 address into its full 32-digit hexadecimal form, undoing the zero-compression and colon grouping that make addresses easy to read. It suits storage and processing contexts that want a fixed-width raw value instead.
- Storing addresses in a fixed-width database column. You are designing a table that indexes IPv6 addresses as fixed-length hex strings for faster range queries, and need to convert addresses before inserting them.
- Building a binary protocol payload. A custom protocol or firmware needs the raw 128 bits of an IPv6 address as hex bytes rather than the human-readable colon notation.
- Comparing two addresses byte for byte. You suspect two differently formatted IPv6 addresses, one compressed and one expanded, are actually the same address, so expanding both to full hex settles it.
Examples
Documentation prefix
Input
2001:db8::1
Output
20010db8000000000000000000000001
Loopback
Input
::1
Output
00000000000000000000000000000001
About the Convert IPv6 to Hex tool
Convert IPv6 to Hex runs as plain JavaScript in your browser tab, with no server behind it. Convert an IPv6 address to hexadecimal form. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's Hex Tools section, 108 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with the Output format setting, and the result refreshes the moment you change it. 2 worked examples further down the page show exactly what the tool produces for real inputs.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Does Convert IPv6 to Hex cost anything?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.