Converters

Convert between kg, lbs, g, and oz instantly with bidirectional inputs.

Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) instantly.

Convert SVG files to PNG images with custom dimensions. Set width, height, scale, and maintain aspect ratio. 100% client-side.

Convert JPG and JPEG images to PNG format instantly. Free online converter with no file size limits. 100% private - all conversions happen in your browser.

Convert PNG images to JPG format instantly. Reduce file size, adjust quality, and ensure universal compatibility. 100% private - all conversions happen in your browser.

Convert iPhone HEIC photos to JPG format instantly. Free online converter with adjustable quality. 100% private - all conversions happen in your browser.

Resize images instantly in your browser. Adjust dimensions, scale by percentage, or use presets. No upload required - 100% private and free.

Compress images to reduce file size while maintaining quality. Free online image compressor for JPG, PNG, and WEBP. Fast, private, and no upload required.

Convert WebP images to PNG format instantly. Free online converter with lossless quality. 100% private - all conversions happen in your browser.

Convert WebP images to JPG format with adjustable quality. Free online converter for photos and graphics. 100% private - all conversions happen in your browser.

Convert PNG images to WebP format for superior compression. Reduce file sizes by 25-35% while maintaining quality. Free, fast, and 100% private.

Convert JPG photos to WebP format. Reduce file sizes by up to 50% while maintaining excellent quality.

Convert between metric and imperial length units instantly. Meters, feet, inches, kilometers, miles, centimeters, and more.

Convert between square meters, square feet, acres, hectares, and more area units instantly. Free online area calculator.

Convert between liters, gallons, cups, milliliters, and more volume units instantly. Free online volume calculator for cooking and science.

Convert between km/h, mph, m/s, knots, and more speed units instantly. Free online speed calculator.

Convert between seconds, minutes, hours, days, weeks, and more time units.

Convert between bytes, KB, MB, GB, TB, and binary units (KiB, MiB, GiB).

Convert between PSI, bar, pascals, atmospheres, and more pressure units.

Convert between joules, calories, kWh, BTU, and more energy units.

Convert between watts, kilowatts, horsepower, and BTU/h.

Convert between MPG, L/100km, and km/L fuel economy units.

Convert between Mbps, Gbps, MB/s, and more data transfer units.

Convert between degrees, radians, gradians, and more angle units.

Convert between Hz, kHz, MHz, GHz, and RPM frequency units.

Convert between Arabic numbers and Roman numerals (I, V, X, L, C, D, M).

Convert JSON data to CSV format instantly with custom delimiters and headers.

Convert CSV data to JSON format instantly with custom delimiters and parsing options.

Convert JPG and JPEG images to PDF format instantly with custom page sizes.

Convert PNG images to PDF format instantly with transparency support and custom page sizes.

Merge multiple PDF files into one document instantly. Free online PDF merger with unlimited files. 100% private.

Split PDF files by page ranges, extract specific pages, or divide into individual files. Free online PDF splitter. 100% private.

Convert Excel spreadsheets (.xlsx, .xls) to CSV format instantly. Free, secure, and works offline with sheet selection support.

Compress PDF files to reduce size while maintaining quality. Free online PDF compressor with high quality, balanced, and maximum compression options.