CSV to JSON

Number to Chinese RMB (yuan/jiao/fen) or plain Chinese digits

JSON array转 CSV 表格，自动Extraire所有字段并处理引号转义

Markdown to HTML with source and preview views

Convert between camelCase, PascalCase, snake_case, kebab-case etc.

Convert between fullwidth and halfwidth characters

Validate, pretty-print or minify JSON with error line:col reporting

Merge multiple PDF files in sequence, all processed locally in browser

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