New Tools

Arrange items you input in a circular wheel, spin it, and randomly select one

Play instantly in your browser—a one-player card game (Klondike)

Create placeholder images by specifying width, height, background color, and text

Get random conversation topics suited to any scene with just one button. Includes slot machine-style animation

Roll dice on screen and display random results

A puzzle game where you slide tiles on a 4×4 board to combine matching numbers and reach 2048

Measure rapid-fire count and CPS for the space key or any key

Visualize your 3 biorhythm cycles—physical, emotional, and intellectual—as graphs based on your birth date

Produce beats at a set BPM

A timer that repeatedly counts down a set duration

Record scores from golf Olympics (putting competition on the green) and automatically calculate rankings

Instantly calculate salary from hourly wage, or hourly rate from monthly/annual salary

Convert English letters into 4 types of italic characters

Convert images to pixel art style

Enter text and compare 6 serif fonts side by side, then download images of your favorite serif fonts

Choose a worldview and gender to generate up to 20 fictional full names at once

Convert alphanumeric characters into 10 types of cursive and stylized text

A tool that converts text into gyaru character style for display

Convert and restore garbled Japanese text

Create username suggestions for SNS and games from your favorite words

Generator to create UUID, ULID, or NanoID in bulk

Paste a JWT to view its contents and verify the signature

Preview Markdown in real time

Convert angle units

Convert area units

Generate ASCII art from text or images

Convert audio files

Trim audio files

Convert data to a Base64 string, and convert a Base64 string to data

Decode a Base64 string into an image

Two-way conversion between binary data and plain text

Two-way conversion between binary and decimal

Two-way conversion between binary and hexadecimal (HEX)

Quickly calculate a variety of expressions

Convert the case of text

Count characters, bytes, lines, and more

Calculate the range of IP addresses based on an IPv4 or IPv6 CIDR address

Show the current time based on geolocation

Get a color code from a color palette or color space

Create, share, and embed a digital counter that automatically counts up at a specified interval from a particular date and time.

Create a customizable countdown timer. Supports URL sharing and embedding

Create a count-up timer online

Generate and verify cron expressions

Display the contents of a CSR (Certificate Signing Request)

Convert units of data capacity and information

Convert between decimal and hexadecimal (HEX)

Compare text and show the differences

Check the DNS records of a domain name

Extract domain names from text and web pages (URLs)

Convert a domain name to an IPv4 address