Tools

Convert bits, bytes, GB, MB, and binary storage units instantly.

Estimate transfer time from file size, connection speed, and efficiency.

Calculate a percentage, a share, or a percentage change.

Calculate IPv4 networks, host ranges, and subnet masks.

Look up the public address used by your browser connection.

Generate strong, random passwords on your device.

Create a QR code locally from text or a URL.

Resize a local image and export PNG, JPEG, or WebP.

Calculate allowed downtime per day, week, month, and year.

Calculate a shift duration, including overnight shifts and unpaid breaks.

Format, validate, and inspect JSON in your browser.

Query public PTR records for an IPv4 address.

Convert Mbps, Gbps, and bytes per second.

Calculate used storage, free space, and utilization.

Project storage growth over days or months.

Estimate full and incremental backup storage with compression.

Compare original and compressed file sizes.

Estimate usable capacity for RAID 0, 1, 5, 6, and 10.

Estimate transfer volume from bitrate, time, and daily usage.

Calculate actual availability from a period and downtime.

Count calendar days and completed years between two dates.

Convert time, length, temperature, and weight in one place.

Convert integers between binary, octal, decimal, and hexadecimal.

Calculate mean, median, minimum, maximum, sum, and range.