Tools

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

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

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

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

Format, validate, and inspect JSON in your browser.

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.

Count calendar days and completed years between two dates.

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

Simplify a whole-number ratio and calculate its proportions.

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.

Run a local countdown with work and break presets.

Measure elapsed time and record laps locally.

Design a color gradient and copy ready-to-use CSS.

Inspect token headers and payloads without uploading them.

Create cryptographically random version 4 identifiers.