Image Processor
Image Resizer
Resize JPG, PNG and WebP images while maintaining the original aspect ratio.
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⚡ FREE · FAST · BROWSER-BASED
Simple Online Tools for Everyday Work
Free online image tools, calculators, converters and utilities. Resize images, calculate dimensions, convert files and prepare photos for social media directly in your browser.
✓ Free to Use
✓ No Registration
✓ Browser-Based
✓ Privacy-Focused
IMAGE TOOLS
Image Resizers & Image Utilities
Resize, compress, inspect and work with images directly in your browser.
Image Utility
Image Compressor
Compress JPG, PNG and WebP images directly in your browser.
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Color Utility
Image Color Palette Extractor
Extract dominant colors from an image and get HEX and RGB color values.
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CALCULATORS
Image & Print Calculators
Calculate DPI, print dimensions, aspect ratios and image file sizes.
Image Calculator
Image DPI Calculator
Calculate physical print dimensions from pixel dimensions and DPI.
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Print Tool
Print Size Calculator
Calculate photo print dimensions using common DPI settings.
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Dimension Tool
Aspect Ratio Calculator
Calculate image ratios and solve missing width or height values.
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Estimator
Image File Size Calculator
Estimate raw bitmap image size in bytes, KB, MB and GB.
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CONVERTERS
Pixel & Measurement Converters
Convert image measurements between pixels, inches and centimeters.
Converter
Pixels to Inches Calculator
Convert pixel dimensions to physical inches using a selected DPI.
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Converter
Pixels to CM Calculator
Convert pixel dimensions to centimeters using your target DPI.
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DOCUMENT TOOLS
Image & Document Converters
Convert images into useful document formats directly in your browser.
Document Processor
Image to PDF Converter
Convert JPG, PNG or WebP images into PDF documents and download the PDF.
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UTILITIES
Useful Online Utilities
Small browser-based utilities for everyday digital and productivity tasks.
Utility
Date Converter
Convert dates, calculate date differences and work with days, months and years.
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HEALTH & WELLNESS
Free Health and Wellness Calculators
Use these online tools to calculate BMI, estimate daily calorie needs, and explore life expectancy and other health-related estimates.
Health-Wellness
BMI Calculator
Calculate your Body Mass Index using your age, height, and weight with multiple height unit options.
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Health-Wellness
Calorie Calculator
Estimate your daily calorie needs, BMR, maintenance calories, and calorie requirements based on your personal information.
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Health-Wellness
Death Clock
Explore life expectancy and mortality estimates with an age-based death clock simulation.
Open Tool →Simple Tools, Simple Workflow
Most tools work directly in your browser without requiring registration.
1
Choose a Tool
Select the calculator, converter or image tool you need.
2
Enter Your Data
Upload an image or enter the dimensions and values required by the tool.
3
Get Your Result
Calculate, resize, convert or download your result instantly.
Free Online Image Tools and Calculators
FreeOnlineTools provides browser-based image tools, calculators, converters and utilities for everyday digital work. You can resize images, calculate DPI, determine print dimensions, calculate aspect ratios, compress images and prepare images for social media.
Social Media Image Resizer
The Social Media Image Resizer helps you prepare photos for Facebook, Instagram, YouTube, TikTok, LinkedIn, X, WhatsApp and Pinterest. Choose a platform, select an image preset, adjust the image position and download the finished image.
Image Resizer and Image Compressor
Use the Image Resizer to change image dimensions, or use the Image Compressor to reduce image file sizes. These tools support common image formats such as JPG, PNG and WebP.
DPI and Print Size Calculators
The Image DPI Calculator helps connect digital pixel dimensions with physical print dimensions. Enter pixel dimensions and DPI to calculate the resulting width and height.
BMI and Calorie Calculators
The BMI Calculator provides a way to calculate Body Mass Index using height and weight. The Calorie Calculator estimates daily calorie requirements using personal information and activity levels.
Health calculators provide estimates for general informational purposes and should not be considered medical diagnosis or professional medical advice.
Browser-Based Image Processing
Several image tools on this website use JavaScript and browser APIs to process images locally. Supported operations can therefore happen on the user's device rather than requiring an image-processing service.
FAQ
Frequently Asked Questions
Are these online tools free?
Yes. The tools are designed to be available without registration or a paid subscription.
Can I resize an image for social media?
Yes. The Social Media Image Resizer includes presets for several popular social media platforms and image formats.
Do I need to install software?
No. The tools are designed to work in a modern web browser on desktop and mobile devices.
Are images processed in the browser?
Image tools that use client-side processing can perform supported image operations directly in the browser. Individual tool pages should be checked for their specific processing method.
Can I use these tools on a phone?
Yes. The website uses a responsive layout designed for mobile, tablet and desktop screens.
Social Media Image Tools
Prepare images for Facebook, Instagram, YouTube, TikTok, LinkedIn, X, WhatsApp and other platforms.
Social Media Image Resizer
Resize and crop images for Facebook, Instagram, YouTube, TikTok, LinkedIn, X, WhatsApp and Pinterest.
Open Tool →Social Media Image Size Checker
Check image dimensions against common social media image specifications.
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