IPv6 Converter - Expand, Compress and Subnet Calculator
Developer & Encoding
5.0
Active
Expand, compress and analyze IPv6 addresses, plus CIDR subnet ranges. Free, no signup.
Updated Apr 8
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Tool Interface
IPv6 Address Converter
Tip: click any value to copy it.
IPv6 CIDR Range Calculator
How to use
- Paste any IPv6 address — compressed like 2001:db8::1 or fully expanded, both work.
- Hit Convert — get the expanded form, shortest compressed form, 128-bit binary and the integer value.
- Need a subnet? — enter CIDR notation like 2001:db8::/32 to see the network range and address count.
- Click any result to copy it to your clipboard.
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About This Tool
About This Tool
The IPv6 Converter expands compressed IPv6 addresses to their full 128-bit form, compresses them to the shortest valid notation, and shows the binary and integer values. It also calculates IPv6 CIDR subnet ranges.
Key Features
- Expand any IPv6 address to full 8-group notation
- Compress to the shortest valid form
- 128-bit binary and integer value output
- IPv4-mapped address detection
- CIDR range calculator with network, first, last and total addresses
- Click any result to copy it
How to Use
- Paste an IPv6 address in any valid format.
- Click Convert Address to see all representations.
- For subnets, enter CIDR notation like 2001:db8::/32 and click Calculate Range.
- Click any value to copy it to your clipboard.
Category: Developer & Encoding
Tool Information
Category
Developer & Encoding
Updated
Apr 8
Status
Active
Rating
5.0
Type
Free Tool
23,748 people used this tool
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