Expand an IP address range into a list of individual addresses. Useful for network planning and firewall rules. Code never leaves your device — formatting and validation run locally in your browser.
Content reviewed October 2026 · About Toolzum
Generate random IPv4 and IPv6 addresses for network testing, development, and security research. Code never leaves your device — formatting and validation run locally in your browser.
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety. Code never leaves your device — formatting and validation run locally in your browser.
Generate complete fake identities with name, email, phone, address, date of birth, and occupation. Includes a photo placeholder. Code never leaves your device — formatting and validation run locally in your browser.
Parses free-text Indian addresses into structured fields — line 1, line 2, city, district, state, and pincode. Handles multiple Indian address formats with state and city recognition. Local processing only.
Extract PDF content into editable DOCX files. Preserves formatting, tables, and layout — review complex layouts after conversion.
Yes — /24 becomes 256 addresses, while larger blocks paginate output as needed.
Compressed notation expands correctly per RFC 4291 rules always.
Firewall rules, allowlists, and scan targets need explicit addresses.
No — expansion runs locally in your browser, free with no signup.
End before start errors; spans over 65536 addresses are refused outright. Count is end - start + 1, but only the first 256 addresses (up to start + 255) render - the rest collapse to a ... N more line. The shown list downloads as ip-range.txt.
IPv4 Address Converter
Convert IPv4 addresses between dotted-decimal, hex, integer, and binary forms. Decode 2130706433 to 127.0.0.1 instantly — local math, free, no signup.
CIDR Calculator
Convert CIDR prefixes to masks, ranges, and host counts — /8 through /32 decoded. Answer 'how many IPs in a /22' instantly — local math, free, no signup.