Kogu

Handy little tools for text, time and everyday tasks

Characters & Symbols

• Symbols – Browse, combine and copy special characters and symbols
• Fancy Text – Unicode fonts, Zalgo, strikethrough, invisible ink and more
• Emoji – Search emoji, switch styles and copy
• Kaomoji – Japanese emoticons by mood, one tap to copy
• Mojibake Generator – Garble text by decoding it with the wrong encoding, or repair it
• Morse Code – Translate text to Morse code and back, with sound and light
• Whitespace Characters – Every kind of space and invisible character, ready to copy
• Lookalike Characters – Find characters that look similar to the one you type
• Character Info – Code point, name and bytes of each character

Text

• Character Counter – Count characters, words, lines and bytes
• Find & Replace – Replace text with plain text or regular expressions, in bulk
• Text Diff – Compare two texts and highlight the differences
• Text Converter – Full-width/half-width, hiragana/katakana, case and romaji
• Line Tools – Sort lines, remove duplicates and blank lines, trim and number
• Notepad – Quick notes saved in this browser
• Markdown Viewer – Write or paste Markdown and see it rendered
• Dummy Text – Lorem ipsum and placeholder text in several languages
• Text Steganography – Hide messages in text with invisible characters, and reveal them

Discord

• Discord Colored Text – Color and style text for Discord with ANSI code blocks
• Discord Timestamp – Make <t:…> timestamps that show in each reader's time zone
• Discord Formatting – Preview Discord markdown and escape special characters
• Discord ID Decoder – Find out when a Discord user, server or message was created

Developer

• Data Formatter – Format and convert JSON, XML, YAML and TOML
• Encode / Decode – Base64, URL, HTML entities, Unicode escapes and Punycode
• Hash – MD5, SHA, CRC32, bcrypt, Argon2 and more for text and files
• Password Generator – Strong random passwords and passphrases
• Regex Tester – Test regular expressions with live matches and groups
• JWT Decoder – Decode JSON Web Tokens and check their claims
• UUID Generator – UUID v4/v7, ULID and Nano ID
• Timestamp Converter – Convert Unix timestamps and dates
• Number Base Converter – Binary, octal, decimal, hexadecimal and any base
• Cron Explainer – Explain cron expressions and list the next runs
• JSON to TypeScript – Generate TypeScript types from JSON
• URL Parser – Split a URL into its parts and edit query parameters
• Subnet Calculator – IPv4/IPv6 CIDR ranges, masks and host counts
• chmod Calculator – Unix file permissions in numeric and symbolic form

Image & Color

• QR Code – Create QR codes for text, links and Wi-Fi
• Color Converter – HEX, RGB, HSL and OKLCH with contrast check
• Image Compressor – Compress, resize and convert images to WebP, JPEG or PNG
• Image Steganography – Hide text, files or images inside a picture, and find hidden data
• Audio Steganography – Hide data in audio, draw on spectrograms, and find hidden data
• EXIF Remover – View and remove photo metadata such as location

Time

• Clock – Analog and digital clock with sun, moon and twilight times
• Fullscreen Clock – A big digital clock that fills the screen
• World Clock – Current time in cities around the world
• Timer – Countdown timer with sound
• Alarm – Set alarms that ring in this tab
• Stopwatch – Stopwatch with laps
• Pomodoro Timer – Focus and break cycles

Calculate

• Calculator – Calculator, percentages and bill splitting
• Unit Converter – Length, weight, temperature, area, volume, speed and more
• Date Calculator – Days between dates, add days, age and Japanese eras

Everyday

• Roulette – Spin a wheel to pick at random
• Random Picker – Dice, coin flip, random numbers and team splitting
• Amidakuji – Ghost leg lottery
• Counter – Tap to count, shown however you like
• Metronome – Tempo, time signatures and accents
• Ruler – On-screen ruler in centimeters or inches
• Screen Test – Dead pixel check and display tests
• Keyboard Tester – See which keys register, with key codes