Free Online Image Resizer & PDF Converter

Resize images, compress photos, and convert to PDF instantly in your browser. 100% free, no uploads, complete privacy.

Resize JPG, PNG, WebP, GIF • Compress photos • Bulk image resize • Convert pictures to PDF

1
Drop files
2
Adjust settings
3
Download
100% Private Instant Processing No Upload Required

File Upload

Drag and drop files here

or click to browse | paste from clipboard (Ctrl+V)

Supports: JPG, PNG, WEBP, PDF | Max 50MB per file

You can drop multiple files at once!
Accepted formats: JPG, PNG, WEBP, and PDF files. Maximum file size is 50 megabytes.

Frequently Asked Questions

Is SmartResize completely free?

Yes! SmartResize is 100% free with no hidden costs, subscriptions, or premium features. All tools are available to everyone without registration.

Are my images safe and private?

Absolutely! All processing happens directly in your browser. Your images never leave your device - we don't upload, store, or access any of your files.

Can I resize multiple images at once?

Yes! Batch processing is fully supported. Drag and drop multiple images, apply your settings, and process them all with one click.

How do I convert images to PDF?

Upload your images, click the "Convert" tab, select your PDF settings (page size, orientation), and click "Convert to PDF". Combine multiple images into one PDF or create separate files.

What is the maximum file size?

SmartResize can handle images up to 50MB each. Since processing happens locally on your device, larger files may take longer depending on your computer's performance.

Does it work on mobile phones?

Yes! SmartResize is fully responsive and works great on smartphones and tablets. Resize photos directly from your phone's gallery or camera roll.

How do I resize images without losing quality?

Keep the quality slider at 90-100%, lock the aspect ratio, and avoid upscaling beyond original dimensions. SmartResize preserves maximum fidelity using advanced browser-based algorithms.

What is the best image format for websites?

WebP offers the best compression-to-quality ratio for web use. JPEG is ideal for photographs, PNG for images with transparency. SmartResize lets you convert between all formats easily.

How do I resize images for Instagram?

Use SmartResize's built-in presets: Instagram Post (1080×1080), Instagram Story (1080×1920), or Instagram Landscape (1080×566). Select the preset and your image is resized automatically.

Does SmartResize add watermarks?

No, SmartResize never adds watermarks. Your resized and converted files are completely clean, with no branding or marks added. Everything is truly free.

Can I resize images to a specific file size?

Yes! Use the Target Size mode to specify exactly the file size you need in KB or MB. SmartResize automatically adjusts compression to meet your target while maintaining the best visual quality.

Can I combine multiple images into one PDF?

Upload multiple images, switch to the Convert to PDF tab, enable "Combine all images into single PDF", and click convert. Customize page size, orientation, and margins before creating your multi-page PDF.

How do I reduce image size for email?

Use the Target Size mode and set your desired size (e.g., 500KB). SmartResize automatically adjusts quality and dimensions to fit your email attachment limits while keeping the best possible quality.

Is there a limit on how many images I can process?

No hard limit! Since processing happens in your browser, the only constraint is your device's memory. Most modern devices can easily handle hundreds of images in a single batch.

Can SmartResize work offline?

SmartResize is a Progressive Web App (PWA). Once you've visited the site, it can work offline since all image processing happens locally in your browser without any server communication.

What Our Users Say

4.8
Based on 1,256 reviews
SM
★★★★★

Best free image resizer I've found! No annoying ads, no watermarks, and my photos never get uploaded anywhere. I use it daily for my blog images.

JT
★★★★★

The batch processing feature is a lifesaver. I resized 200+ product photos in minutes. The quality presets for social media are spot on.

ER
★★★★★

Love that everything processes locally in my browser. As a photographer, privacy matters. The PDF conversion tool is also excellent for client proofs.

DK
★★★★☆

Very fast and easy to use. The social media presets save me tons of time. Would love to see more export formats in the future.

PS
★★★★★

Finally a tool that works on my phone without installing an app! I resize images for my Etsy shop on the go. Highly recommended.

MB
★★★★★

Used this to compress hundreds of images for my website. Page load speed improved dramatically. The quality slider gives great control over the output.