Developer Tools

  • Epoch Seconds to Human Date Calculator
    Convert a Unix timestamp (epoch seconds) into a human-readable UTC date and time, with ISO 8601 output and full year/month/day/hour breakdown.
  • Binary to Decimal Converter
    Convert any binary (base 2) number to decimal (base 10) instantly. Enter your bits and get the decimal value using the positional weight formula.
  • Current Unix Timestamp Calculator
    Convert milliseconds to a Unix timestamp (epoch seconds). Get the current epoch now plus minutes, hours, and days since Jan 1, 1970 UTC.
  • HSL to Hex Color Converter
    Convert any HSL color (hue, saturation, lightness) into a hex code and RGB values instantly. Free online HSL → Hex converter with a live color preview.
  • CRC Checksum Calculator
    Compute CRC-8, CRC-16/CCITT-FALSE, and CRC-32 (IEEE) checksums from ASCII text. Get the cyclic redundancy check value in hex and decimal instantly.
  • REM to PX Converter
    Calculate REM to PX conversion with precision. Input REM value and root font size to instantly convert relative units to pixels. Streamline your web design process with this essential tool.
  • 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.
  • 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.
  • 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 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 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.
  • 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.
  • 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.
  • HEX to RGB Color Converter
    Convert any HEX color code to RGB values instantly. Supports 3- and 6-digit hex with or without #, and shows a live color swatch.

Categories