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🔢 IPv4 ↔ Binary / Hex / Decimal
Same IP address, four ways to write it. Dotted decimal (192.168.1.1) is what humans use. Binary is what routers think in. Hex is compact. The 32-bit integer is what some databases store. This tool converts between all four.
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Examples
Standard form
Input
192.168.1.1Output
Binary: 11000000.10101000.00000001.00000001 · Hex: c0.a8.01.01 · Int: 3232235777Frequently asked questions
When do I need binary form?
Subnet math. To compute a network address from an IP and mask, you AND them bit by bit — much easier in binary.
What about IPv6?
IPv6 is 128 bits, already in hex. We focus on IPv4 because IPv6 has fewer interesting conversions to do.
About this calculator
IPv4 ↔ Binary / Hex / Decimal runs entirely in your browser using standard formulas. No data is sent to any server. We don't share your inputs with lenders, brokers, or anyone else — there's no funnel and no follow-up email.
Related tools
- 🧮 Subnet / CIDR Calculator — Calculate network, broadcast, host range, mask from any CIDR notation.
- 🏷️ IP Class Identifier — Identify class (A, B, C, D, E) of any IPv4 address. Private vs public.
- 🆔 What is My IP — Show your public IPv4 and IPv6 addresses with approximate location.
Why this tool
vs typical free network-tools sites
| NetToolset | Typical free site | |
|---|---|---|
| Price | Free | Free |
| Signup required | No | Often (for advanced features) |
| Ads inside the tool | No | Yes (banner + interstitial) |
| Logs your IP / queries | No | Yes (often resold) |
| Data sent to a server | Math runs in browser; lookups hit Cloudflare DoH directly | Yes (all goes through their server) |
| Open source | Yes | No |
| Bookmarkable URL per tool | Yes | Mixed |
| Multilingual | EN / ES / PT / FR / DE | Usually EN only |
| Loads in under 1s | Yes (static) | Often slow (ad tracking) |