Network Speed Unit Converter Instantly convert between every common network and data transfer rate unit – bps, Kbps, Mbps, Gbps, Tbps, B/s, KB/s, MB/s, GB/s, TB/s, plus the binary IEC units like KiB/s and MiB/s. Type a value into any field and every other field updates live, so you never have to guess whether a ...
Try the Tool »Mock HTTP Response Builder Construct a structurally correct HTTP response message in seconds. Pick a status code, choose a body type, add headers, and the tool emits a ready-to-paste response string with the status line, headers, and body separated by CRLF — perfect for test fixtures, integration mocks, API documentation, and replaying responses against clients. ...
Try the Tool »Country Info Lookup Look up authoritative metadata for every country in the ISO 3166-1 standard — names, codes, dialing prefixes, currencies, capitals, and TLDs — in one place. The tool ships with a bundled dataset of 249 countries and dependent territories, so every search is instant, accurate, and works fully offline in your browser. Unlike ...
Try the Tool »Apache httpd Config Formatter Paste a messy Apache httpd.conf, apache2.conf, or sites-available/*.conf snippet and get back a properly indented, normalized configuration. The formatter walks <VirtualHost>, <Directory>, <Location>, <IfModule>, and other container tags to compute correct nesting depth, preserves your comments and blank lines, and can canonicalize directive case so that servername, SERVERNAME, and ServerName all ...
Try the Tool »Email Deliverability Checker Audit a domain’s email authentication setup in seconds. Enter any domain and the tool runs live DNS lookups against Cloudflare’s resolver to inspect SPF, DMARC, MX, and BIMI records, then surfaces real configuration problems with a clear pass/fail verdict and an overall deliverability score. How to Use Type the domain you want ...
Try the Tool »Access Log Formatter (Apache / Nginx) Paste raw Apache or Nginx access log lines and instantly turn them into a structured, sortable table. The Access Log Formatter detects whether each line is in the Common Log Format (CLF) or Combined Log Format (Apache’s default), then breaks every entry into clean columns: IP, date/time, method, path, ...
Try the Tool »NGINX Server Block Generator Build a ready-to-paste NGINX server block from a simple form. Pick a port, choose between serving static files or proxying to a backend, and toggle SSL, HTTP/2, gzip, and an HTTP-to-HTTPS redirect. The output updates as you type and is safe to drop straight into /etc/nginx/sites-available/ on most distributions. How to ...
Try the Tool »Cloud Bandwidth Cost Estimator This tool estimates how much you will pay each month for outbound internet egress on the major cloud providers, using current published list prices for AWS, Google Cloud, Azure, Cloudflare, DigitalOcean, and Backblaze B2. Enter your expected monthly transfer in GB, TB, or PB, pick the provider you currently use, and ...
Try the Tool »IPv4 to IPv6 Converter Convert any IPv4 address into every standard IPv6 representation in one click. The tool generates the IPv4-mapped form used by dual-stack sockets, the 6to4 prefix that delegates a /48 to a public IPv4, the deprecated IPv4-compatible form kept for legacy lookups, and the reverse DNS PTR record under ip6.arpa. Each result ...
Try the Tool »Fake IP Address Generator Generate batches of valid fake IPv4 and IPv6 addresses, filtered by RFC range type — private (RFC 1918), public, loopback, multicast, CGNAT (RFC 6598), link-local, ULA (RFC 4193), and documentation. Useful for seeding test data, populating mock APIs, demoing dashboards, or producing example traffic logs without leaking real addresses. How to ...
Try the Tool »HAR File Formatter & Request Inspector Drop in an HTTP Archive (.har) file exported from your browser’s DevTools and instantly see every request as a sortable, filterable waterfall — with full DNS, connect, SSL, wait, and download timings, plus the raw headers, body, and a ready-to-paste cURL command for any single request. Everything runs locally ...
Try the Tool »WebRTC IP Leak Detector WebRTC is a built-in browser API that powers voice and video calls without plugins. To connect two peers directly, it uses the ICE framework to gather candidate IP addresses — and that list includes the machine’s local LAN IP plus any public address a STUN server can see. When users run ...
Try the Tool »SSH Config File Generator Build a clean, syntactically correct ~/.ssh/config without memorizing directive names or hunting down options in the ssh_config man page. Add each SSH host with a visual form, pick presets for common services like GitHub, AWS EC2, or bastion jump hosts, and copy or download the finished config in one click. How ...
Try the Tool »DNS Zone File Generator The DNS Zone File Generator creates properly formatted BIND-compatible zone files for your domains. Instead of manually writing zone files with strict RFC 1035 syntax, this tool provides a visual interface to configure SOA records, add DNS records of any type, and generate a complete zone file ready for deployment. How ...
Try the Tool »IPv4 Range Expander The IPv4 Range Expander takes a CIDR notation range (like 192.168.1.0/24) and expands it into a complete list of every individual IP address in that range. This is useful for network administrators, security professionals, and anyone who needs a full enumeration of IPs within a subnet for firewall rules, access control lists, ...
Try the Tool »Geo Distance Calculator Calculate the exact great-circle distance between two geographic coordinates using the Haversine or Vincenty formula. Enter locations as decimal degrees or DMS (degrees, minutes, seconds), get results in kilometers, miles, nautical miles, meters, and feet — plus initial bearing and an interactive map. How to Use Select your input mode (decimal degrees ...
Try the Tool »HTTP Request Header Builder Build HTTP request headers visually. Add common headers from a dropdown (Authorization, Content-Type, Accept, Cache-Control, etc.), configure authentication (Bearer token, Basic auth, API key), and add custom headers. The output is a ready-to-copy header block formatted for curl, fetch, or any HTTP client. How to Use Use the Add Common Header ...
Try the Tool »Bandwidth & Download Time Calculator Calculate download time from file size and connection speed, or find the required speed to download a file within a time target. Supports all common file size units and speed presets (3G, 4G, 5G, Wi-Fi, broadband), with configurable protocol overhead percentage. How to Use Enter your file size, select your ...
Try the Tool »IPv6 Subnet Calculator Calculate IPv6 subnet details from a CIDR notation address. Enter any IPv6 address with a prefix length (e.g. 2001:db8::1/48) and instantly see the network address, first and last usable host, subnet mask, total address count, address type classification, and full expanded/compressed forms. How to Use Enter an IPv6 address with its prefix ...
Try the Tool »Network Latency Calculator Paste raw ping output from Linux, macOS, or Windows and instantly get a full statistical breakdown of your network latency. The Network Latency Calculator computes mean, median, min, max, range, and standard deviation, plus jitter and packet loss percentage — giving you a complete picture of your connection quality. How to Use ...
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Update: Our latest tool was added on May 21, 2026
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