Check your IP address, look up DNS records, test ports and measure connection details. Network tools that answer 'what is my IP?' and the follow-up questions in the same place.

No tools in this category are live yet. The first tools in this category arrive in Phase 1. The full list below shows every tool planned for this category — check back soon.

Tools planned for this category

• Bandwidth Calculator

  Download time from size and speed.

• Browser Info Checker

  Show browser, OS, features.

• CIDR to IP Range

  Expand CIDR blocks.

• Connection Type Checker

  Show effective network type.

• Data Transfer Time Calculator

  How long to upload/download a file.

• DMARC Record Generator

  Build DMARC policies.

• DNS Record Explainer

  Explain A, CNAME, MX, TXT, SPF records.

• IP Range to CIDR

  Convert ranges into CIDR list.

• IP Subnet Calculator

  Network, broadcast, host range, mask.

• IP to Decimal / Binary / Hex

  Convert IP address formats.

• IPv6 Expand / Compress

  Full and short IPv6 forms.

• IPv6 Subnet Calculator

  IPv6 prefix calculations.

• MAC Address Formatter

  Format MAC with colons/dashes/dots.

• Network Latency Tester (to Cloudflare edge)

  Ping your own site edge with fetch timing.

• Online / Offline Status Checker

  Monitor connection status.

• Port Number Reference

  Common TCP/UDP ports lookup.

• SPF Record Generator

  Build SPF TXT records.

• Subnet Mask Cheat Sheet

  All masks with host counts.

• What Is My Screen Resolution

  Show screen and viewport size.

About this category

When will these tools be ready to use?

Tools are published in batches, starting with the 40 highest-value tools in Phase 1. Each tool goes live only when it is fully working, tested on mobile, and has its own written guide.

Will my files be uploaded when I use a tool?

No. Every Toolsvine tool runs 100% in your browser. Files, text and images you use in a tool never leave your device.