RAKKOTOOLS

Extract domain names from text and web pages (URLs)

Extract email addresses from text and remove duplicates

Count characters, bytes, lines, and more

Compare text and show the differences

Search and replace text (supports regular expressions)

Sort a list

Convert the case of text

Convert and restore garbled Japanese text

Look up Whois information for domains and IP addresses

Create QR codes for a variety of purposes

Open multiple URLs at once

Convert a domain name to an IPv4 address

Check your IP address along with network and device information

List the HTTP requests that occur when loading a URL

Show regional information from an IP address, host, or domain

Convert a string to Punycode, or convert Punycode back

Extract TITLE, DESCRIPTION, ROBOTS, and CANONICAL URL

Check the size and appearance of the OGP image, title, and description when sharing on social media

Extract headings, TITLE, and page character count

Create self-signed SSL certificates for free

Generate secure random passwords

Create a hashed password to write into a .htpasswd file

Unlock a password-protected PDF

Convert SSL certificates to various formats

Check the security measures in HTTP response headers

Confirm that an SSL certificate is correctly installed on a server

Pair-check an SSL certificate against a private key or a CSR file

Validate whether XML is valid against an XML schema (XSD)

Generate and verify cron expressions

Check the syntax of PHP code

Check the syntax of MySQL queries

Format XML strings

Convert strings with MD5/SHA1/SHA256 and other algorithms to generate hash values all at once

Check HTML for syntax errors or formatting errors

Encode data into a JSON string, and decode a JSON string back into data

Extract TITLE, DESCRIPTION, ROBOTS, and CANONICAL URL

Extract all images on a website

Extract external and internal links

Create and edit HTML visually

Check HTML for syntax errors or formatting errors

Encode convertible characters into HTML entities and decode HTML entities into characters

Convert an Excel table into an HTML TABLE TAG

Preview Markdown in real time

Convert between plain text and ASCII

Decode a Base64 string into an image

Convert to Unicode characters and search for Unicode characters

Convert between text and decimal

Convert between text and hexadecimal (HEX)

Encode data into a JSON string, and decode a JSON string back into data

Convert images from PNG to JPG, or JPG to PNG

Two-way conversion between binary data and plain text

Create a count-up timer online

Create a customizable countdown timer. Supports URL sharing and embedding

Show the current time based on geolocation

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

Count elapsed time to 1/100 of a second

Create an alarm timer

Show the date and time in cities around the world

Convert a date and time to a timestamp, and a timestamp to a date and time

Extract color codes from an image or image URL

Get a color code from a color palette or color space

Generate favicons and app icons from an image

Generate ASCII art from text or images

Extract all images on a website

Make a specific color in an image transparent to create a PNG image

Extract color codes from an image or image URL

Decode a Base64 string into an image

Add text to images to create memes

Generate a screenshot image from a URL

Convert images from PNG to JPG, or JPG to PNG

Randomly divide into teams and pick organizers or representatives

Randomly draw one from a list of numbers, names, and more

Extract domain names from text and web pages (URLs)

Look up Whois information for domains and IP addresses

Convert a domain name to an IPv4 address

Show regional information from an IP address, host, or domain

Convert a string to Punycode, or convert Punycode back

Check the DNS records of a domain name

Encode characters and symbols into special codes, or decode URL-encoded strings

Convert videos to GIF

Compress a PDF to reduce its file size

Extract all images from a PDF

Unlock a password-protected PDF

Add page numbers to each page of a PDF

Convert various files to PDF

Protect a PDF by setting a password

Add a header and footer to each page of a PDF

Extract specified pages from a PDF to create a new PDF

Count characters, bytes, lines, and more

Convert units of length and distance

Convert temperature units

Convert time units

Convert various units such as length and force

Convert area units

Convert units of speed

Convert units of dry volume and capacity

Trim audio files

Convert audio files

Look up Whois information for domains and IP addresses

Convert a domain name to an IPv4 address

Check your IP address along with network and device information

Show regional information from an IP address, host, or domain

Convert an IPv4 address into IPv6 notation

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

Generate ASCII art from text or images

Create a count-up timer online

Create QR codes for a variety of purposes

Add text to images to create memes

Create a customizable countdown timer. Supports URL sharing and embedding

Generate and verify cron expressions

Generate secure random passwords

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

Check the size and appearance of the OGP image, title, and description when sharing on social media

Create username suggestions for SNS and games from your favorite words

Extract domain names from text and web pages (URLs)

Extract TITLE, DESCRIPTION, ROBOTS, and CANONICAL URL

Extract all images on a website

Extract email addresses from text and remove duplicates

Extract color codes from an image or image URL

Extract external and internal links

Get a color code from a color palette or color space

Extract all images from a PDF

Check the syntax of PHP code

Check the syntax of MySQL queries

Check HTML for syntax errors or formatting errors

Format and validate JSON for readability

Paste a JWT to view its contents and verify the signature

Format XML strings

Format SQL statements for better readability

Format and validate JSON for readability

Format JavaScript and CSS source code

Format HTML code in your preferred style

Create self-signed SSL certificates for free

Convert SSL certificates to various formats

Confirm that an SSL certificate is correctly installed on a server

Pair-check an SSL certificate against a private key or a CSR file

Display the contents of a CSR (Certificate Signing Request)

Display the contents of an SSL certificate

Randomly divide into teams and pick organizers or representatives

Randomly draw one from a list of numbers, names, and more

Randomly divide into teams and pick organizers or representatives

Generate ASCII art from text or images

Randomly draw one from a list of numbers, names, and more

Add text to images to create memes