Tools23 - Online Tools

Tools23 specializes in developing a variety of online tools that simplify your daily tasks. Whether you're looking for images tools, calculation tools, conversion tools or random generators, you're at the right spot. We help you!

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Popular Tools

Discover our most popular online tools. Here you will find an overview of the tools most frequently used and appreciated by our users.

Edit Image Colors

Apply brightness, contrast, and saturation adjustments to multiple uploaded image online.

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PNGs to Sprite Sheet

Select same size images to make a spritesheet image grid for your game, app or website.

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Make favicon image in all formats

Resize your share icon to all formats at once. Convert image to favicons at 16x16 32x32 48x48 180x180 72x72 96x96 128x128 256x256. For sharing and social media.

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Pace to speed calculator - Min/km to Km/h

Convert running pace from minutes per kilometer to kilometers per hour and vice versa. Ideal for runners, marathoners, and athletes looking to track and improve their running speed.

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Tool Categories

Tools23 is a platform that offers various online apps, tools and solutions. It is a platform for users to access and utilize tools for different tech-related tasks or projects.

These are the categories of tools we offer:

Image Edit Tools

Edit and convert your photos online. All tools can batch process all your pictures all at once.

All Images Tools

File Converter Tools

Convert files to different formats and compress files online.

All Files Tools

Ideas and Generators

Generators to help picking your ideas. Great to get inspiration for your next project.

All Ideas Tools

Sprite Sheet Tools

Game development tools for working with spritesheets. Optimize your game size and reduce requests.

All Sprites Tools

Code Formatting Tools

Format your code online. Paste your source code in the editor and make it pretty and readable.

All Format Tools

Encoding tools

Several tools to make encode and decode.

All Encoding Tools

Calculation tools

Several tools to make calculations more easy.

All Calculation Tools

Newest Tools

Discover our newest tools that recently have been added to our collection.

Intermitted Fasting Time Calculator

Calculate the hours when the intermittent fasting cycle ends with a simple fasting clock.

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Pace to speed calculator - Min/km to Km/h

Convert running pace from minutes per kilometer to kilometers per hour and vice versa. Ideal for runners, marathoners, and athletes looking to track and improve their running speed.

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Roman numbers calculator

Convert numbers to roman numerals or the other way around. Enter a number and get the roman numeral version.

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Pretty HTML markup

Beautify HTML markup code online. Enter minified, chaotic or unstructured HTML to make it pretty print HTML.

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