IP Address Calculator Tool - CodeSwordsman

CodeSwordsman SM Crypto is a free online Chinese national cryptographic algorithm tool supporting SM2 asymmetric encryption/decryption with signature/verification, SM3 hash computation with HMAC, SM4 symmetric encryption/decryption with ECB/CBC modes. All processing done locally in your browser.

A powerful online timestamp conversion tool that supports mutual conversion between Unix timestamp and human-readable date, convenient for developers and users to quickly process time data.

CodeSwordsman MD5 Hash Calculator is a free online tool that computes the MD5 hash of any text or file, supporting 16-bit/32-bit output, up to 10 iterations, uppercase/lowercase switching, salt encryption and individual copy for each result. All processing is done locally in your browser with no data uploaded, completely free with no download required.

CodeSwordsman WebSocket Tester is a powerful online WebSocket debugger that supports connection management, message sending/receiving, heartbeat keep-alive, history records, and more. Completely free, no download required, one-click use, helping developers quickly debug WebSocket applications.

CodeSwordsman URL/Base64 Encoder is a free online tool that supports URL encoding/decoding and Base64 encoding/decoding, completely free, no download required, one-click use, helping developers and users quickly process URL and Base64 data.

CodeSwordsman Regex Tester is a free online tool that supports real-time testing of regex patterns and visual highlighting of matching results, completely free, no download required, one-click use.

CodeSwordsman SQL Formatter is a free online tool that supports SQL code formatting and compression, completely free, no download required, one-click use, helping developers beautify SQL code and improve code readability and maintainability.

CodeSwordsman Cron Expression Generator is an online tool for creating and managing scheduled task expressions, completely free, no download required, one-click use, supports visual configuration, common templates, expression explanations, suitable for developers, system administrators and operations personnel, improving scheduled task configuration efficiency.

One-stop visual generation of iptables, UFW, nftables firewall rules, supports drag-and-drop sorting, single rule copy, batch script export, local operation without data upload, essential tool for DevOps.

CodeSwordsman UUID/Password Generator is a free online tool that supports generating UUID v1/v4 and secure random passwords, completely free, no download required, one-click use.

CodeSwordsman URL Parser is a free online tool that breaks down URLs into their components, completely free, no download required, one-click use, making it easy to analyze and understand URL structure.

CodeSwordsman Random String Generator is a free online tool that supports custom length, character set and advanced options, completely free, no download required, one-click use, can generate passwords, verification codes, random IDs and other types of random strings.

CodeSwordsman Base Converter is an online tool that supports conversion between binary, octal, decimal and hexadecimal, completely free, no download required, one-click use, helping developers quickly process numeric conversions in different bases.

Free online SQL to Go Struct converter tool that automatically generates Go structs from SQL CREATE TABLE statements, helping developers quickly create data models.

CodeSwordsman Nginx Visual Config Generator is a powerful online visual tool supporting dual modes: global config (nginx.conf) and site config (vhost.conf). Compatible with Nginx 1.15/1.24/1.28/1.30/1.31 multiple versions. Provides complete configuration options including worker processes, events, HTTP, Gzip compression, SSL certificates, security headers. Supports advanced features like reverse proxy, load balancing, static caching, PHP-FPM, SPA deployment, WebSocket, hotlink protection, CORS. Real-time code preview, auto-save history, one-click copy and download, completely free with no installation required.

CodeSwordsman Docker/Compose Generator is a powerful online tool for generating and configuring Dockerfile and docker-compose.yml files, completely free, no download required, one-click use, supporting multiple service types, network configuration, volume mounting, and environment variables, helping users quickly generate Docker configurations that meet their needs.

Free online JSON to entity class tool that supports generating entity classes for multiple programming languages from JSON, helping developers quickly create data models.

Free online text difference comparison tool that compares two text segments and highlights differences.

A powerful online tool for converting between CSV and JSON formats. Supports multiple delimiter options, can upload files or directly input data, and conversion results can be downloaded or copied.

CodeSwordsman INI/YAML Formatter is a free online tool that supports formatting and compressing INI and YAML configuration files, completely free, no download required, one-click use, improving code readability and maintainability.