File Size Converter
Convert between file size units: B, KB, MB, GB, TB, PB. Simple and instant conversion.
Local processing How to Use
Enter your input above. Results update automatically as you type. Use the download button to save the result.
Privacy
All processing happens in your browser. Your data is never uploaded to any server.
FAQ
What units are supported?
Bytes, Kilobytes, Megabytes, Gigabytes, Terabytes, and Petabytes.
Continue Your Journey
📚 Learn Read "Unit Conversion Reference: Length, Mass, Temperature, and Area" A complete reference of conversion factors for length, mass/weight, temperature, and area, with exact formulas and worked examples for each. 📚 Learn Read "How to Count Words, Characters, and Reading Time Accurately" Learn how word and character counts are defined across languages, how to estimate reading time, and how to use a counter to hit limits for essays, tweets, and meta descriptions. 🔧 Explore Try "File Hash Calculator" Calculate cryptographic hashes (SHA-256, SHA-1, SHA-512) of any file. All processing is local. 🔧 Explore Try "CSS Unit Converter" Convert CSS units between px, rem, em, pt, mm, cm, and inches. Essential for responsive design. 🔧 Explore Try "Image Compressor" Compress images in your browser to reduce file size. Adjust quality and download the optimized image. Free, private, no upload. 📖 Reference View "File Extensions Reference" Common file extensions with MIME types, categories, and descriptions for quick lookup.