All Tools

Every utility we offer, organised by category. All tools run entirely in your browser — no signups, no data sent to servers.

Network & Infrastructure

Subnet calculators, DNS lookups, IP tools, and other network utilities.

Calculate network address, broadcast address, usable hosts and more from any IP/CIDR input.

Query A, AAAA, MX, TXT, CNAME, NS, SOA, and PTR records for any domain.

Inspect any URL's response headers and analyse security header configuration.

Check SSL certificate expiry, issuer, SANs, and validity for any domain.

Convert between decimal, binary, hex, and integer IP address formats.

Visualise IP ranges and see overlap between CIDR blocks.

Plan VLAN subnetting and calculate usable address ranges.

Convert between bandwidth units and estimate transfer times.

Quick reference for common TCP/UDP ports and their services.

Encoding, formatting, generation, and conversion tools for developers.

Format, validate, and minify JSON instantly. Shows precise error locations for invalid input.

Encode text or files to Base64, decode Base64 strings, with URL-safe and UTF-8 support.

Test regular expressions in real time with match highlighting, capture groups, and position info.

Build cron schedules visually or parse existing expressions. Shows next run times.

Generate v4 UUIDs in bulk with one click.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any input.