Convert data sizes between bytes, KB, MB, GB, TB, and PB. Understand disk space and file sizes in different units.
Calculators (study time, test score, tip, triangle, volume converter, words per page, working capital, pythagorean theorem, scientific calculator), size converters (ring size, screen size, shoe size), and ZIP file extractor. (WebP to JPG/PNG and PDF page operations have their own dedicated pages.)
Bidirectional converter between iCalendar (ICS) and CSV formats. Migrate events between Google Calendar, Outlook, Apple Calendar, and spreadsheets.
Convert length and distance between km, miles, meters, yards, feet, and inches. Simple and intuitive.
Reduces JPG, PNG, and WebP file sizes using smart compression with a side-by-side quality preview slider. Balance file size and visual quality visually — max 20MB per image. Perfect for web optimization, email attachments, and social media uploads.
Convert between JSON, CSV, XML, YAML, and Excel data formats. Pick any input and output format — your files never leave your device.
Data Size Converter lets you convert data sizes between bytes, KB, MB, GB, TB, and PB. Understand disk space and file sizes in different units.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Convert data sizes between bytes, KB, MB, GB, TB, and PB. Understand disk space and file sizes in different units. It's ideal for developers, designers, and anyone who needs to convert data sizes between bytes, kb, mb, gb, tb, and pb without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Common file formats are supported for upload-based tools.
Yes. After the initial page load, Data Size Converter runs entirely on your device with no internet connection needed. All processing is done locally.
Yes, this tool is completely free. No credit card or registration is required for standard usage.
All processing happens 100% locally in your browser. Your data is never uploaded to any server.
Yes. Once the page has loaded, the tool runs entirely offline without requiring an internet connection.
Standard tools are unlimited. Pro tools allow free daily usage with an option to upgrade.
Any modern web browser (Chrome, Firefox, Safari, Edge) on desktop or mobile. No installation needed.
Privacy Cleaner
Scans and clears browser cookies, localStorage, sessionStorage, and cached data for the current site.
Speed Test
Measures your internet connection’s download speed, upload speed, and latency by transferring real test data to geographically distributed servers.
Wheel of Names
Displays an animated spinning wheel that randomly selects one entry from a customizable list of names or options.
QR Code Generator
Renders a scannable QR code from any text or URL using a client-side Reed-Solomon encoder. Download as PNG.
Random Number Generator
Generates cryptographically secure random integers or decimals within a user-defined min-max range with optional repetition filtering.
Resume Builder
Provides a structured, form-based interface for entering work history, education, and skills, then renders a professionally formatted PDF resume.