Tool category

Calculators & Converters

Quick calculators for files, dates, aspect ratios, business planning, travel, and future spreadsheet-style tools.

Tools in this category

Estimate file size from bitrate and duration, or convert between MB, MiB, GB, and GiB.

Check file size, extension, image dimensions, and PDF page count against common upload rules locally.

Calculate days, weeks, months, and years between two calendar dates in your browser.

Calculate percent of, what percent, and percentage increase or decrease locally.