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Barcode
Generate barcodes online for free
QR code
Generate and scan QR codes online for free, support batch parsing and downloading
Flow chart
Create flowcharts exported in multiple formats online for free
JSON editor
Free online JSON formatting, verification, diff, import, export, and editor tools
Equation Editor
Free online LaTeX equation editor tool
Markdown editor
Free online Markdown editor tool
Mind map
Create mind maps exported in multiple formats online for free
Image OCR
Free online text extraction from images, supporting batch recognition of simplified, traditional and English
ZIP tool
Free online compressed package compression and decompression tool, supports compression levels 1~9 and decompression of ZIP, PPT, WORD, etc.