⚙️ Useful Utilities

helps find differences between any texts

quickly converts the case of any string to the desired format

placeholder text generator for layouts and prototypes

count characters, words, sentences, lines, and reading time

live Markdown preview in real time

format, minify, and validate JSON

Mermaid diagram editor with live preview: flowcharts, sequence, class, ER, Gantt, mindmap. Export as SVG/PNG and share link

fake data generator with schema builder: names, emails, dates, numbers, enums. Export as JSON, CSV, SQL INSERT

test regular expressions with match highlighting

generate UUID v4, bulk generation

generate MD5, SHA-1, SHA-256, SHA-512 hashes

decode and analyze JWT tokens

parse cron expressions into human-readable format with next run times

visual cron expression builder with presets and live preview

chmod permissions calculator (755 ↔ rwxr-xr-x) with interactive checkboxes

generate QR codes with dot style, color, logo customization and PNG/SVG download

semantic comparison of two JSON documents with type-aware diff

powerful diff for two CSV files: match by key or row, filters, stats, supports large files

encode and decode text to/from Base64

convert colors between HEX, RGB, and HSL

HSL color wheel with palette generator across six classic schemes (complementary, triadic, etc.) and export options

convert numbers between BIN, OCT, DEC, and HEX

a utility for working with UNIX Timestamp. Converts timestamps to a readable format or converts date and time into a number

convert a page address or text into a readable format or encode special characters

encode and decode HTML entities (& ↔ &)

calculate the difference between two dates in years, months, days, hours, minutes, and seconds

convert between CSV and JSON formats with delimiter settings

convert between YAML and JSON formats with indent settings

get information about your or any other IP address: country, city, approximate coordinates, and timezone

test how any deeplinks work for your applications

check website availability, HTTP code, response time, SSL, and IP address

generate secure passwords with customizable settings

interactive TUI tool for analyzing and cleaning disk space from the terminal