Developer Tools

  • Binary to Hexadecimal Converter
    Convert any binary (base 2) number to hexadecimal (base 16) instantly. Groups bits into nibbles, maps each to a hex digit, shows decimal too.
  • Decimal to Hexadecimal Converter
    Convert any decimal (base 10) number to hexadecimal (base 16) instantly. See the hex value and the 0x-prefixed form, with the conversion method explained.
  • Hex to Binary Converter
    Convert hexadecimal (base 16) to binary (base 2) instantly. Each hex digit maps to a 4-bit nibble, plus the decimal value and digit count.
  • Download Time Calculator
    Estimate how long a file takes to download from its size and your internet bandwidth, with an optional protocol overhead factor. Free and instant.
  • PX to EM Converter
    Convert pixels (px) to EM units for CSS. Enter a pixel value and base font size to get the exact em equivalent instantly.
  • EM to PX Converter
    Convert EM to pixels instantly. Enter an em value and your base font size (default 16px) to get the exact pixel equivalent for CSS.
  • Hex to Decimal Converter
    Convert hexadecimal (base 16) to decimal (base 10) instantly. Enter a hex value like 1A3F and get its exact decimal equivalent with the formula explained.
  • Two's Complement Calculator
    Convert any decimal number to its two's complement binary form for 4, 8, 16, or 32 bits. See the stored pattern, signed value, and negation instantly.
  • RGB to Hex Color Converter
    Convert RGB color values (0-255) to a hex color code instantly. Enter red, green and blue to get the #RRGGBB hex string with a live color preview.
  • Hex to RGB Color Converter
    Convert any hex color code (#RRGGBB or #RGB) to RGB values instantly. Free, accurate hex-to-RGB converter with a live color swatch preview.
  • LLM VRAM Requirement Calculator
    Estimate the GPU VRAM (GB) needed to run or serve a large language model from its parameter count, precision, and overhead factor.
  • RGB to Hex Color Converter
    Convert RGB color values (0-255) to a hex color code instantly. Enter Red, Green and Blue to get the #RRGGBB hex used in CSS and web design.
  • Hex Color to RGB Converter
    Convert any hex color code (e.g. #3498DB) to its RGB values instantly. Supports 3- and 6-digit hex codes with a live color swatch preview.
  • Hex to Decimal Converter
    Convert any hexadecimal (base 16) number to decimal (base 10) instantly. Enter a hex value like 1A3F and get the exact decimal result with the formula.
  • Bits to Bytes Converter
    Convert bits to bytes instantly. Divide bits by 8 to get bytes (and bps to Bps). Free, accurate digital storage and data-rate unit converter.
  • Data Storage Conversion Calculator
    Convert between bytes, KB, MB, GB, TB and PB using binary (1024) or decimal (1000) systems. Fast, accurate data storage unit converter.
  • IP Address to Binary Calculator
    Convert any IPv4 address to binary, a 32-bit decimal integer, and hexadecimal. Enter four octets (0-255) for instant dotted-binary output.
  • F1 Score Calculator
    Calculate the F1 score, precision, and recall from True Positives, False Positives, and False Negatives. Free machine-learning classification metric tool.
  • Unix Timestamp to Time Converter
    Convert any Unix timestamp (epoch seconds) into a UTC date and time — year, month, day, hour, minute, second, and day of the week, instantly.
  • Text to Binary / ASCII Converter
    Convert text to binary, decimal ASCII codes, and hexadecimal. Each character becomes its 8-bit binary ASCII value. Free instant text-to-binary tool.
  • Base64 Encoded Size Calculator
    Calculate the Base64-encoded size of any file or data. Estimate encoded bytes, ~33% overhead, with or without padding. Free instant tool.
  • Binary / Decimal / Hex / Octal Converter
    Convert numbers between binary, octal, decimal and hexadecimal instantly. Enter a value, pick its base, and get all four number-system equivalents.
  • Decimal to Binary Converter
    Convert any decimal (base 10) number to binary (base 2) instantly using the repeated division-by-2 method. Shows the binary digits and bit count.
  • Decimal to Octal Converter
    Convert any decimal (base 10) number to octal (base 8) instantly. Uses repeated division by 8, collecting remainders. Free online converter with steps.

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