RAKKOTOOLS | 131 Free Web Tools

Count characters, bytes, lines, and more

Sort a list

Compare text and show the differences

Extract domain names from text or a web page (URL)

Extract email addresses from text and remove duplicates

Convert the case of text

Search and replace text (supports regular expressions)

Preview Markdown in real time

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

Check your IP address along with network and device information

Check email address format and the reachability of the domain and MX records

Look up Whois information for domains and IP addresses

Open multiple URLs at once

Check the DNS records of a domain name

Create QR codes for a variety of purposes

Check the state of ports on an IP address or host name

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

Extract headings, TITLE, and page character count

Extract TITLE, DESCRIPTION, ROBOTS, and CANONICAL URL

Generate secure random passwords

Confirm that an SSL certificate is correctly installed on a server

Create a hashed password to write into a .htpasswd file

Display the contents of a CSR (Certificate Signing Request)

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

Check the security measures in HTTP response headers

Create self-signed SSL certificates for free

Display the contents of an SSL certificate

Format HTML code in your preferred style

Format and validate JSON for readability

Compress and minify JavaScript and CSS source code

Format SQL statements for better readability

Check HTML for syntax errors or formatting errors

Format JavaScript and CSS source code

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

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

Extract all images on a website

Create and edit HTML visually

Check HTML for syntax errors or formatting errors

Extract TITLE, DESCRIPTION, ROBOTS, and CANONICAL URL

Extract external and internal links

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

Preview Markdown in real time

Convert an Excel table into an HTML TABLE TAG

Convert videos to GIF

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

Convert between plain text and binary

Convert to Unicode characters and search for Unicode characters

Encode images into Base64 strings

Two-way conversion between binary data and plain text

Decode a Base64 string into an image

Convert between text and hexadecimal (HEX)

Create a customizable countdown timer. Supports URL sharing and embedding

Create an alarm timer

Show the date and time in cities around the world

Create a count-up timer online

Count elapsed time to 1/100 of a second

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.

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

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

Extract all images on a website

Extract color codes from an image or image URL

Convert videos to GIF

Generate ASCII art from text or images

Change the size of images

Compress PNG/JPG images

Generate a screenshot image from a URL

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

Randomly divide into teams and pick organizers or representatives

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

Look up Whois information for domains and IP addresses

Check the DNS records of a domain name

Extract domain names from text or a web page (URL)

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

Convert a domain name to an IPv4 address

Convert a string to Punycode, or convert Punycode back

Convert videos to GIF

Convert a web page into a PDF file

Convert various files to PDF

Extract all images from a PDF

Protect a PDF by setting a password

Add a text watermark to a PDF

Remove specified pages from a PDF

Compress a PDF to reduce its file size

Add a header and footer to each page of a PDF

Count characters, bytes, lines, and more

Quickly calculate a variety of expressions

Convert various units such as length and force

Convert time units

Convert units of data capacity and information

Convert units of luminous intensity, luminance, and luminous flux

Convert units of length and distance

Convert area units

Convert audio files

Trim audio files

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

Check your IP address along with network and device information

Look up Whois information for domains and IP addresses

Convert an IPv4 address into IPv6 notation

Convert a domain name to an IPv4 address

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

Generate secure random passwords

Generate ASCII art from text or images

Create a customizable countdown timer. Supports URL sharing and embedding

Generate a screenshot image from a URL

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

Create a count-up timer online

Add text to images to create memes

Create QR codes for a variety of purposes

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

Extract all images on a website

Extract color codes from an image or image URL

Extract TITLE, DESCRIPTION, ROBOTS, and CANONICAL URL

Extract external and internal links

Get a color code from a color palette or color space

Extract domain names from text or a web page (URL)

Extract email addresses from text and remove duplicates

Extract all images from a PDF

Format and validate JSON for readability

Check HTML for syntax errors or formatting errors

Check the syntax of MySQL queries

Check the syntax of PHP code

Format HTML code in your preferred style

Format and validate JSON for readability

Format SQL statements for better readability

Format JavaScript and CSS source code

Format XML strings

Confirm that an SSL certificate is correctly installed on a server

Display the contents of a CSR (Certificate Signing Request)

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

Create self-signed SSL certificates for free

Display the contents of an SSL certificate

Convert SSL certificates to various formats

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

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

Add text to images to create memes