All Tools

CIDR Calculator

Calculate IPv4/IPv6 subnet information from CIDR notation

Subnet Calculator

Split a network into smaller subnets

IP Range Calculator

Convert IP address range to CIDR blocks

IP Calculator

Full IPv4 analysis: class, type, binary breakdown, network & broadcast

Wildcard Mask Calculator

Convert subnet mask to wildcard mask for ACL and firewall rules

IPv4 Converter

Convert IPv4 between decimal, binary, hex, and integer formats

IPv6 Converter

Expand, compress, and convert IPv6 addresses between formats

Subnet Mask Calculator

Convert prefix length to subnet mask, wildcard, and network details

JSON

8 tools

JSON Formatter

Pretty-print and format JSON with syntax highlighting

JSON Validator

Validate JSON and get detailed error messages

JSON Minifier

Remove whitespace and minify JSON for production use

JSON Viewer

View JSON as an interactive collapsible tree with color-coded values

JSON → CSV

Convert JSON arrays to CSV format with proper escaping

CSV → JSON

Convert CSV data to JSON arrays instantly

JSON Diff

Compare two JSON objects and highlight added, removed, changed keys

CSV Analyzer

Analyze CSV files: column types, stats, and value frequency

Encoding

5 tools

Base64 Encoder / Decoder

Encode and decode Base64 strings instantly

URL Encoder / Decoder

Encode and decode URLs and query string parameters

JWT Decoder

Decode and inspect JSON Web Token header, payload, and claims

HTML Encoder

Encode special characters to HTML entities to prevent XSS

HTML Decoder

Convert HTML entities back to plain text characters

Developer

9 tools

UUID Generator

Generate UUID v4 and v7 in various formats

Hash Generator

Generate MD5, SHA256, SHA512, and SHA3 hashes

Timestamp Converter

Convert Unix timestamps to dates across timezones

Regex Tester

Test regular expressions with live match highlighting

SQL Formatter

Format and beautify SQL queries with proper indentation and keyword casing

YAML Validator

Validate YAML syntax and view the parsed structure as a tree

XML Formatter

Format or minify XML with configurable indentation

Cron Generator

Build cron expressions visually with field presets and next run preview

Text Diff

Compare two text blocks line by line with color-coded diff output