
Free Developer Tools & Converters
Color converters, data storage calculators, and developer utilities — fast and private.
Size files and understand transfer rates
Check a payload size, compare decimal and binary storage units, then translate a connection speed into megabytes per second.
Byte Size Converter
Convert a byte count using powers of 1,024, as used for binary memory and file-size reporting.
Bytes to kB Converter
Compare decimal kilobytes with binary kibibytes and convert between storage units.
Bandwidth Converter
Convert Mbps to MB/s so you can compare connection speeds with file transfer rates.
Tool Categories
Color
Convert between color formats like RGB, HEX, HSL, and CMYK
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Data Storage Conversion
Convert between data storage and transfer speed units
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Developer Tools
Encoders, formatters, converters, and code generators for developers
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Text & Encoding
Text encoding converters including Base64, URL encoding, and character conversions
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Time Conversion
Convert between time units and formats
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AI & Machine Learning
AI calculators, LLM tools, and machine learning utilities
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Why Use Developer Toolset?
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All calculations happen in your browser. We never store your data.
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Explore All ToolsFrequently Asked Questions
Common questions about the Developer Toolset