Dev Tools
Bộ công cụ lập trình toàn diện miễn phí từ BKNS dành cho lập trình viên: định dạng JSON/HTML/XML, kiểm tra regex, mã hóa Base64, tạo hash và nhiều tiện ích dev khác. Tất cả chạy trực tiếp trên trình duyệt, không cần cài đặt phần mềm.
32 tools in this category
Popular tools
Base64 Encode/Decode
Quickly encode text to Base64 or decode Base64 strings back to readable format. Essential for data transmission, email encoding, and web development tasks.
PopularURL Encode/Decode
Instantly encode URLs to percent-encoded format or decode encoded URLs back to readable text. Essential for web developers and API integration.
PopularJSON Formatter
Instantly format, validate, and beautify JSON data. Minify or prettify your JSON code with automatic syntax highlighting and error detection.
All tools
UUID Generator
Generate universally unique identifiers (UUIDs) instantly. Create v1, v4, and other UUID versions for your applications, databases, and systems with a single click.
JWT Decoder
Decode and inspect JWT tokens instantly. View claims, verify signatures, and analyze token structure in real-time without server-side processing.
Regex Tester
Test and validate regular expressions instantly with real-time pattern matching. Perfect for developers who need to build, debug, and refine regex patterns efficiently.
Cron Expression Generator
Create and validate cron expressions with an intuitive visual interface. Preview the next 5 scheduled executions instantly.
JSON to CSV Converter
Convert data bidirectionally between JSON and CSV formats. Upload files or paste data, download results instantly with full support for both conversions.
URL Parser
Parse and analyze URL components instantly. Extract protocol, domain, path, query parameters, and fragments from any URL with detailed breakdown.
Gitignore Generator
Generate standard .gitignore files for your projects. Supports Node.js, Python, PHP, Laravel, Next.js, and 30+ programming languages.
Markdown Converter
Convert Markdown to HTML with real-time preview. Write, edit, and export your files directly in your browser.
Base64 Image Converter
Convert images to Base64 encoded text and decode Base64 strings back to images. Perfect for embedding images in code, emails, and web applications.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and times, or vice versa. Instantly translate between epoch seconds and standard date formats.
HTML Formatter
Instantly format, beautify, and validate HTML code with automatic indentation and syntax highlighting. Perfect for cleaning up messy markup and improving code readability.
XML Formatter
Instantly format, validate, and beautify XML code with proper indentation and syntax highlighting. Perfect for developers working with XML files and API responses.
HTML Encoder/Decoder
Instantly encode HTML entities and decode HTML-encoded text. Perfect for web developers, content creators, and anyone working with HTML markup.
Text Diff
Compare two text blocks side-by-side to identify differences instantly. Perfect for code reviews, document changes, and content analysis.
YAML to JSON Converter
Instantly convert between YAML and JSON formats with our fast, reliable online converter. Perfect for developers working with configuration files and data interchange.
CSS Minifier
Compress and optimize CSS code online to reduce file size and improve website performance. Remove unnecessary characters while maintaining functionality.
Cron Expression Validator
Validate cron syntax instantly and view detailed descriptions plus the next 5 scheduled execution times. Perfect for scheduling tasks and automation.
HTML to Markdown Converter
Instantly convert HTML code to clean, readable Markdown format. All processing happens securely in your browser with no data uploads.
Auth Hash Generator
Generate secure authentication hashes for passwords and sensitive data. Support multiple hashing algorithms including MD5, SHA-1, SHA-256, and more for development and security purposes.
Chmod Calculator
Convert between octal, rwx notation, and chmod commands for Linux file permissions. All processing happens in your browser with no server uploads.
SQL Formatter
Format and beautify SQL queries with support for multiple dialects including PostgreSQL, MySQL, SQLite, and BigQuery. All processing happens securely in your browser.
Docker Run to Compose Converter
Convert docker run commands into complete docker-compose.yml files. Supports ports, volumes, environment variables, container names, restart policies, and networks — all processed locally in your browser.
TOTP Generator
Generate 2FA TOTP codes from Base32 secret keys with live countdown timer. All processing happens securely in your browser.
ULID Generator
Generate ULIDs (Universally Unique Lexicographically Sortable Identifiers) with bulk and monotonic support. Decode timestamps instantly, all processing happens in your browser.
HMAC Generator
Generate HMAC hashes for text using a secret key with support for SHA-1/256/384/512. Export results in hex or base64 format instantly in your browser.
Text Encrypt & Decrypt
Encrypt and decrypt text with password protection using military-grade AES-GCM 256-bit encryption. All processing happens securely in your browser with no server uploads.
JSON Diff
Compare two JSON structures side-by-side and instantly identify added, removed, and modified fields with their exact paths.
List Converter
Transform, manipulate, and format lists with powerful operations including splitting, trimming, deduplication, sorting, case conversion, and more.
Data Format Converter
Convert between JSON, YAML, TOML, and XML formats instantly in your browser. All conversions happen locally with zero data uploaded to any server.
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Dev Tools
The Dev Tools category provides developer utilities: code formatting, JSON/YAML validation, data conversion, and software development tools.
When to use Dev Tools?
- API development: Format and validate JSON, generate UUIDs, encode/decode JWT tokens.
- Debugging: Parse and analyze logs, convert timestamps, test regex patterns.
- DevOps: Validate YAML configs, convert data formats, generate hashes for deployment.
Frequently Asked Questions
Bộ công cụ lập trình toàn diện
Lập trình viên thường xuyên cần định dạng dữ liệu, kiểm tra biểu thức và mã hóa chuỗi. Thay vì viết script tạm hay dùng nhiều trang khác nhau, bộ công cụ Lập trình & Dev của BKNS Tools gom hơn 30 tiện ích thiết yếu, chạy trực tiếp trên trình duyệt, an toàn cho dữ liệu nhạy cảm.
Các công cụ dev phổ biến
- JSON Formatter và định dạng SQL — làm đẹp và kiểm tra cú pháp.
- Base64 Encode/Decode và URL Encode/Decode — mã hóa chuỗi nhanh chóng.
- JWT Decoder — giải mã và kiểm tra token JWT ngay trên trình duyệt.
- Regex Tester — thử nghiệm biểu thức chính quy theo thời gian thực.
- Tạo UUID và tạo Cron Expression — những tiện ích dùng hằng ngày.
Làm việc nhanh và an toàn hơn
Các công cụ dev tại BKNS Tools xử lý ngay phía client nên dữ liệu của bạn — token, JSON nội bộ, chuỗi mã hóa — không rời khỏi trình duyệt. Đây là lựa chọn an toàn hơn so với nhiều trang online gửi dữ liệu lên máy chủ.