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JSON、正则、Base64、タイムスタンプ等程序员效率工具 · 共 13 個のツール（按人気排序）
Validate, pretty-print or minify JSON with error line:col reporting
Convert Unix timestamps to dates, auto-detect seconds/milliseconds
Convert text to/from Base64, handles Unicode correctly, URL-safe mode
URL encode/decode supporting both component and full URI modes
Online regex tester with group highlighting and match details
Batch generate UUID v4 unique IDs using cryptographic random
Convert between Chinese and Unicode escape sequences
Decode JWT tokens to view header, payload, signature, and expiry
Convert between text and hex UTF-8 bytes with 0x/space format support
Batch find/replace with regex, supports capture groups and all flags
Encode/decode HTML entities to prevent tag parsing
Quick reference table of common HTTP status codes with search
Remove comments and excess whitespace from JS/CSS/HTML