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Collector - All the tools you need are here
Popular Tools
Text Converter
Convert uppercase, lowercase, remove spaces, character count and more
JSON Formatter
Format, validate, compress and beautify JSON data with multiple conversion options
Color Picker
Pick and convert color formats between HEX, RGB, HSL and RGBA
Scientific Calculator
Powerful online scientific calculator with trigonometric functions, logarithms and more
QR Code Generator
Generate and download QR codes with custom size and content encoding
Password Generator
Generate strong passwords and security tokens with custom character types and length
MD5 Hash
Generate MD5, SHA1, SHA256 hash values with multiple encryption algorithms
Number to Chinese
Convert Arabic numbers to Chinese uppercase characters for accounting and finance
Image to GIF
Convert image sequences to GIF animations with speed and size adjustments
DOCX Viewer
Preview Word documents online without installing Office. Drag and drop, fully local processing
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