Access professional web tools including image resizer, PDF converter, file compressor, and more—absolutely free. No trials, no subscriptions, no hidden fees. Start using our browser-based utilities instantly!
Most Popular Free Online Tools – Available Now
Our most-used professional tools ready to use instantly. No download, no installation required.
Free Online Image Resizer
Resize images online instantly with our professional-grade tool. Perfect for web designers, photographers, bloggers, and content creators who need to optimize images for websites and social media.
- Resize images to any dimension or percentage
- Convert between formats: JPG, PNG, WebP, GIF, BMP
- Maintain aspect ratio automatically
- Batch resize multiple images at once
- Compress images without quality loss
- 100% browser-based – no file upload to servers
- Your images never leave your device
- Optimize images for web, email, and social media
Free Online PDF Converter
Convert any file to PDF or convert PDF files to images and documents online. Our free converter handles all your document conversion needs without any software installation.
- Convert images to PDF (JPG to PDF, PNG to PDF)
- Convert PDF to images (PDF to JPG, PDF to PNG)
- Convert documents to PDF format
- Extract text from PDF files
- Maintain document quality and formatting
- Fast browser-based PDF conversion
- No file size limits or restrictions
- Secure – files processed locally in your browser
Free Online File Compressor
Compress files online without quality loss. Our powerful compression tool reduces file sizes for faster uploads, email attachments, and storage optimization.
- Compress images while maintaining quality
- Reduce PDF file sizes for email
- Batch compress multiple files
- Smart compression algorithms
- Support for various file formats
- No file upload – browser-based compression
- Maintain original file quality
- Perfect for web optimization
Complete Free Online Tools Collection
Explore our growing library of professional web-based utilities. All tools are free forever with no registration required!
Image Resizer Online
Resize photos, compress images, and convert image formats instantly
✓ Live NowStart Resizing
PDF Converter Tool
Convert files to PDF or PDF to images – fast and secure online conversion
✓ Live NowStart Converting
File Compressor
Reduce file sizes for images, PDFs, and documents without losing quality
✓ Live NowStart Compressing
Text Editor Tools
Format text, count words, change case, and transform text online
Coming SoonColor Picker Tool
Extract colors, generate palettes, and find perfect color combinations
Coming SoonOnline Calculators
Financial calculators, unit converters, and mathematical tools
Coming SoonPassword Generator
Create strong, secure passwords instantly with customizable options
Coming SoonQR Code Generator
Create custom QR codes for URLs, text, and business cards
Coming SoonVideo Converter
Convert, compress, and edit video files in your browser
Coming SoonBackground Remover
Remove image backgrounds automatically with AI technology
Coming SoonImage Cropper
Crop and trim images to perfect dimensions online
Coming SoonFile Format Converter
Convert between hundreds of file formats instantly
Coming SoonWhy Choose Our Free Online Tools?
The best free online converter and utility tools designed for professionals and casual users alike
100% Free Forever
All our tools including image resizer, PDF converter, and file compressor are completely free. No premium plans, no paywalls, no hidden charges—ever.
Lightning-Fast Tools
Instant access to all conversion and editing tools. No software downloads, no installation required. Tools work directly in your web browser.
Private & Secure
Your files are processed locally in your browser. We never upload, store, or access your photos, PDFs, or documents. Complete privacy guaranteed.
Works on All Devices
Use our online tools on desktop, laptop, tablet, or mobile. Fully responsive design ensures perfect functionality across all screen sizes.
No Registration
Start using any tool immediately. No account creation, no email verification, no personal information required. Just visit and convert.
Constantly Updated
Regular improvements to existing tools and new utilities added monthly. Your feedback shapes our development roadmap.
No File Size Limits
Unlike other online converters, we don’t restrict file sizes. Process large images, PDFs, and documents without limitations.
Professional-Grade
Enterprise-level tools built with the latest web technologies. Same quality as paid software, absolutely free.
Trusted Free Online Tools Platform
Join thousands who use our free converters and utilities daily
3+
Free Tools Live Now
Image Resizer, PDF Converter & File Compressor100%
Free Forever Guarantee
No Hidden Costs Ever24/7
Always Available
Use Anytime, Anywhere150+
Tools in Development
More Free Tools ComingHow to Use Our Free Online Tools
Convert files, resize images, and optimize documents in just three simple steps
Choose Your Tool
Select from Image Resizer, PDF Converter, File Compressor, or browse our collection of upcoming free online utilities and converters.
Upload Your Files
Drag and drop your images, PDFs, or documents. Or click to browse. All processing happens securely in your browser.
Download Results
Get your resized images, converted PDFs, or compressed files immediately. No waiting, no queues, no delays.
Popular Use Cases for Our Free Online Tools
Web Designers: Resize and optimize images for websites, compress files for faster loading
Photographers: Batch resize photos, convert RAW images, optimize for social media
Content Creators: Convert documents to PDF, resize thumbnails, compress videos
Students: Convert assignments to PDF, resize images for presentations, compress files for email
Business Professionals: Convert documents, optimize presentations, process invoices
Bloggers: Optimize images for SEO, convert formats, compress files for web
Frequently Asked Questions
Everything you need to know about using our free image resizer, PDF converter, file compressor, and other tools
Yes! All our tools including the image resizer, PDF converter, file compressor, and all future tools are 100% free forever. We’re committed to keeping professional-grade online utilities accessible to everyone without any subscription fees, hidden costs, or premium tiers. No credit card required, ever.
No registration required! You can use any of our online tools instantly without creating an account, providing email, or signing up. Simply visit the tool page (like our free image resizer, PDF converter, or file compressor) and start using it immediately. We believe in removing barriers, not creating them.
Absolutely secure! Our tools work entirely in your browser using client-side processing. When you resize an image, convert a PDF, or compress a file, the files never leave your device—they’re not uploaded to any server. This ensures complete privacy and security for all your photos, documents, and files. Your data stays 100% private.
Yes! You can use our free online tools for both personal and commercial purposes without any restrictions. Resize images for your business website, convert PDFs for client presentations, compress files for marketing materials—all completely free with no licensing fees or usage limits.
Our free online image resizer supports all major formats including JPG/JPEG, PNG, GIF, WebP, BMP, and more. You can resize images in any format and convert between formats simultaneously. For example, resize a PNG and save it as JPG, or convert JPG to WebP while resizing—all in one step.
We recommend keeping files under 10MB for optimal performance, but there are no hard limits. Since all processing happens in your browser, larger files will work but may take longer depending on your device’s capabilities. Unlike other online converters that restrict file sizes, we let you process files of any size.
Yes! All our free online tools are fully responsive and work perfectly on smartphones, tablets, laptops, and desktop computers. Resize images on your iPhone, convert PDFs on your Android tablet, compress files on your iPad, or use any tool from any device with a modern web browser. No app download needed!
We’re constantly developing new free online tools! Coming soon: text editor tools, color picker, QR code generator, password generator, background remover, and 140+ more utilities. Bookmark this site and check back regularly for new tool launches. We typically release 2-4 new tools per month.
About CoolToolsSchool – Your Free Online Tools Hub
The Best Free Online Tools for Everyone
CoolToolsSchool is your one-stop destination for free online tools that work entirely in your browser. Our platform offers professional-grade utilities including a powerful image resizer, versatile PDF converter, efficient file compressor, and many more tools—all completely free with no registration required.
Free Image Resizer – Resize Photos Online
Our free image resizer tool lets you resize images to any dimension, compress photos without quality loss, and convert between popular formats like JPG, PNG, WebP, and GIF. Whether you need to resize images for web, optimize photos for social media, or prepare images for email, our online image resizer handles it all. The tool supports batch processing, maintains aspect ratios automatically, and works entirely in your browser for maximum privacy and security.
Free PDF Converter – Convert Files to PDF
Convert files with our free PDF converter tool that handles all your PDF conversion needs. Convert JPG to PDF, PNG to PDF, or any image format to PDF documents. Need to extract images? Our tool also converts PDF to JPG and PDF to PNG. The converter works offline in your browser, ensuring your documents remain private and secure. No file uploads, no waiting, just instant PDF conversion.
Online File Compressor – Reduce File Sizes
Our free file compressor helps you reduce file sizes for faster uploads, email attachments, and storage optimization. Compress images, PDFs, and documents while maintaining their original quality. The compression tool uses smart algorithms to find the perfect balance between file size and quality. Whether you need to compress PDF files for email or reduce image sizes for web optimization, our file compressor delivers professional results instantly.
Why Choose Browser-Based Tools?
Unlike traditional software that requires installation or online services that upload your files to servers, our browser-based online tools process everything locally on your device. This means faster processing, complete privacy, no file size limits, and the ability to use tools even with limited internet connectivity. All our free converters and utilities are optimized for speed and ease of use.
Coming Soon: 150+ More Utilities
We’re constantly expanding our collection of free online tools. Coming soon: background remover, QR code generator, password generator, color picker, text formatting tools, video converter, and many more utilities. All tools will remain free forever with no sign-up or subscription required. Bookmark CoolToolsSchool and check back regularly for new tool releases!
Perfect for Everyone
Whether you’re a web designer optimizing images, a photographer batch-resizing photos, a student converting assignments to PDF, or a business professional preparing presentations, our free online tools provide professional-grade functionality without the professional price tag. Join thousands of users who rely on CoolToolsSchool for their daily file conversion and editing needs.
Start Using Free Tools Now:
- ✓ Image Resizer: Resize, compress, and convert images online
- ✓ PDF Converter: Convert files to/from PDF format instantly
- ✓ File Compressor: Reduce file sizes without quality loss
- ✓ No Registration: Use all tools immediately without signing up
- ✓ 100% Free: All features available at no cost, forever
- ✓ Secure Processing: Files never leave your device
Ready to Start Using Free Online Tools?
Join thousands of users who’ve discovered the best free image resizer, PDF converter, file compressor, and online utilities. No registration, no costs, no limits!
✓ No sign-up required ✓ 100% free forever ✓ Secure browser processing