Tools

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

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

Calculate IPv4 networks, host ranges, and subnet masks.

Look up the public address used by your browser connection.

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.

Count words, characters, lines, and approximate sentences.

Convert uppercase, lowercase, title case, and code naming styles.

Sort lines, remove duplicates, trim whitespace, or remove empty lines.

Replace literal text with optional case sensitivity.

Turn a title into a clean lowercase URL slug.

Securely pick an item or shuffle a list on your device.

Check IPv6 address syntax, including compressed notation.