Text & Time tools

Convert Unix timestamps and calendar dates in either direction.

Generate random UUID v4 values or time-sortable ULIDs.

Test regular-expression matches, flags and capture groups.

Compare two text blocks and highlight line-level differences.

Measure the size and readability of mixed-language text.

Convert names and phrases between common programming case styles.

Edit Markdown and preview common GFM formatting.

Batch replace text with safe literal and regular-expression modes.

Turn readable titles into stable URL slug segments.

Deduplicate text lines without reordering the remaining content.

Reorder text lines by alphabetic, numeric or length criteria.

Add or remove line numbers from multiline text.

Explain standard and second-level cron schedules and preview upcoming runs.