Free tools

Image Compressor

Free online image compressor. Reduce JPG, PNG, and WebP file sizes without losing quality. Compress images locally in your browser for complete privacy.

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Drag & drop your image here
or click to choose a file
Supports JPG, PNG, WebP • Max 50MB • 100% private

Free Online Image Compressor

Compress your images without losing quality using our free online image compressor. Reduce file sizes for JPG, PNG, and WebP images instantly. Perfect for optimizing photos for websites, social media, email attachments, and faster loading times.

Why Compress Your Images?

Large image files slow down websites, consume storage space, and make sharing difficult. Our image compressor reduces file sizes by up to 90% while maintaining visual quality. Whether you are a web developer optimizing site performance, a marketer creating social media content, or just someone trying to email vacation photos, compressing images makes everything easier.

How to Compress Images Online

  1. Drag and drop your image into the upload area or click to browse files
  2. Adjust the quality slider to balance file size and image quality
  3. Optionally resize the image by selecting a maximum width
  4. Choose your preferred output format (JPG for photos, PNG for transparency, WebP for best compression)
  5. Click Download to save your compressed image

Supported Image Formats

FormatBest ForCompression
JPG/JPEGPhotographs, complex imagesLossy, adjustable quality
PNGGraphics, screenshots, transparencyLossless
WebPWeb images, best compressionLossy or lossless

Privacy and Security

Your images are processed entirely in your browser using JavaScript. They are never uploaded to our servers, ensuring complete privacy. This client-side processing means your sensitive photos, screenshots, and documents remain on your device at all times.

Image Compression Quality Settings

The quality slider lets you control the balance between file size and visual quality. Higher quality settings preserve more detail but result in larger files. Lower settings create smaller files but may introduce compression artifacts. We recommend 70-85% for web images and 90%+ for print or archival purposes.

Common Use Cases for Image Compression

  • Website Optimization: Faster page load times improve SEO and user experience
  • Email Attachments: Stay within attachment size limits
  • Social Media: Meet platform file size requirements
  • Cloud Storage: Save space in Google Drive, Dropbox, or iCloud
  • Mobile Apps: Reduce app bundle sizes
  • E-commerce: Faster product image loading increases conversions

Recommended Image Sizes for Different Uses

Use CaseRecommended WidthFormat
Website hero images1920pxWebP or JPG
Blog post images1200pxWebP or JPG
Thumbnails400pxWebP or JPG
Social media posts1200pxJPG
Icons/LogosOriginalPNG

Frequently Asked Questions

How do I compress an image to 20KB without losing quality?
To compress an image to exactly 20KB, upload your image and adjust the quality slider to 60-70% for photos. If the file is still too large, use our Image Resizer first to reduce dimensions, then compress. For government forms, aim for 213×213 pixels at 60% quality.
Will compressing reduce image quality?
Some quality reduction occurs with lossy formats like JPG and WebP, but at 80% quality or higher, the difference is usually imperceptible. You control the quality setting with the slider. For zero quality loss, use PNG format which is lossless.
Which is better for websites: JPG or PNG?
Use JPG for photographs and complex images with many colors — it offers smaller file sizes. Use PNG for images with transparency, text, or simple graphics with sharp edges. For modern websites, consider WebP which provides 25-35% better compression than JPG.
How do I resize an image for PAN card or government forms?
Government forms typically require: Photo: 213×213 pixels, under 30KB. Signature: 302×132 pixels, under 20KB. Use our Image Resizer to set exact dimensions, then compress to meet the file size requirement.
Is my image data secure when compressing?
Yes! All compression happens in your browser using client-side JavaScript. Your images are never uploaded to our servers, ensuring complete privacy and security.
What is the maximum file size?
There is no strict limit, but very large files (over 50MB) may cause browser performance issues. For best results, we recommend files under 20MB. The tool works entirely in your browser, so limitations depend on your device's memory.

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