Skip to main content
AWE-OS

Image Compressor

Compress JPG, PNG and WebP images online โ€” reduce file size without losing quality.

โœ“ Free ยท No sign-up ยท Works in browserLast updated: May 2026 ยท Tested on Chrome, Firefox, Edge, Safari

Use Image Compressor

๐Ÿ–ผ๏ธ

Drop your image here

or click to browse ยท JPG, PNG, WebP

How to Use Image Compressor

  1. Upload your image by clicking the drop zone or dragging a JPG, PNG, or WebP file in. GIF and SVG files are not accepted.

  2. Set your target file size using the Max File Size dropdown (100 KB to 2 MB) and fine-tune output quality with the slider. Lower quality produces smaller files; higher quality preserves more detail.

  3. Click "Compress Image". The tool processes your image in the browser and shows a before-and-after size comparison alongside a side-by-side visual preview.

  4. Review the preview to confirm quality is acceptable, then click "Download" to save the compressed image to your device.

You Might Also Like

JPG to PDF

Convert JPG, PNG, and WEBP images to PDF instantly.

QR Code Generator

Generate QR codes for URLs, text, contacts, and more. Download as PNG.

Color Picker

Pick colors and convert between HEX, RGB, and HSL formats.

Browse all Converters & Tools โ†’

About Image Compressor

Unoptimised images are the single most common cause of slow web pages and oversized email attachments. A photo from a modern smartphone can easily reach 5โ€“8 MB โ€” far too large for web upload limits (most platforms cap at 1โ€“5 MB), email size restrictions, and page-load performance budgets. The AWE-OS Image Compressor reduces JPG, PNG, and WebP files to your target size in seconds, entirely in your browser, with a side-by-side visual preview so you can verify quality before downloading.

The tool uses browser-image-compression โ€” a well-maintained open-source library that applies intelligent compression algorithms to reduce file size while maximising retained visual quality. Two controls let you dial in the result: the Max File Size dropdown (100 KB to 2 MB) sets a ceiling for the output, while the quality slider (10%โ€“100%) controls how aggressively the image is compressed. The before-and-after panel shows exact byte counts and percentage savings the moment compression finishes.

Different image types respond differently to compression. JPEG photos typically reduce by 40โ€“70% at high quality settings with minimal visible degradation, because JPEG is already a lossy format designed for photographs. PNG files with transparency compress less dramatically because PNG uses lossless encoding by design; converting such files to WebP often achieves better results. WebP is a modern format with better compression than JPEG at equivalent visual quality and is fully supported by all current browsers.

Browser-based compression is especially valuable when privacy matters. Unlike cloud-based services that upload your images to remote servers โ€” where files may be stored, processed, or retained โ€” this tool never transmits your images anywhere. Everything happens in your browser's memory, and the compressed file saves directly to your local storage. No account is needed, there are no usage quotas, and you can compress as many images as you need completely free โ€” safe for personal photos, client work, and confidential screenshots alike.

Honest limitation: Compression is lossy at lower quality settings โ€” keep your original if you may need full quality later.

Tips & Best Practices for Image Compressor

  • ๐Ÿ’กStart at 80% quality for most compression tasks โ€” this setting reduces file size by 60-70% for typical photographs while maintaining visual quality that is indistinguishable from the original at normal viewing distances.
  • ๐Ÿ’กFor government portal photo uploads (passport, UPSC, bank exam, Aadhaar), target a file size well below the portal's stated limit (e.g., compress to 40 KB if the limit is 50 KB) to avoid upload failures caused by size fluctuations.
  • ๐Ÿ’กUse the side-by-side preview to compare original and compressed quality before downloading โ€” zoom into faces, small text, and fine details to verify the compressed version is still acceptable for your use case.
  • ๐Ÿ’กCompress images before converting to PDF using the JPG to PDF tool โ€” smaller source images create smaller output PDFs, which is important for multi-image documents submitted to government portals.
  • ๐Ÿ’กFor product images on Amazon India or Flipkart, balance file size against visual quality โ€” overly compressed product images with visible artefacts reduce click-through rates and conversions. Use 75-85% quality for marketplace listings.
  • ๐Ÿ’กFor WhatsApp profile photos and contact images, 70-75% compression is excellent โ€” WhatsApp applies its own additional compression during upload, so starting with a smaller file size reduces double-compression artefacts.

Common Mistakes to Avoid with Image Compressor

  • โœ•Setting quality below 50% for documents containing text, QR codes, or barcodes โ€” extreme JPEG compression introduces blocking artefacts around sharp edges that make text illegible and QR codes unscannable.
  • โœ•Compressing an image that has already been heavily compressed โ€” repeatedly compressing a JPEG degrades quality cumulatively. Always compress from the original high-resolution source image, not from a previously compressed version.
  • โœ•Using PNG output for photographs when JPEG would provide much better compression โ€” PNG is lossless and ideal for graphics with sharp edges and flat colours, but produces much larger files for photographic content.
  • โœ•Compressing a face photo for official documents below the minimum quality required โ€” government portals for passport, visa, and exam registration have minimum DPI and resolution requirements. Check these before compressing.
  • โœ•Not checking the compressed file size in the preview โ€” the quality slider gives a quality percentage, not a target file size. Always check the displayed compressed file size against your target limit.
  • โœ•Compressing the same source image multiple times with small adjustments instead of going back to the original โ€” each compression cycle adds quality loss. Return to the original source image for each compression attempt.

Frequently Asked Questions

Which image formats are supported?
JPG, JPEG, PNG, and WebP images are all supported. GIF files are not supported because re-compression destroys animation frames. SVG is a vector format requiring a different optimisation approach. The output format matches the input โ€” a JPG stays a JPG, a PNG stays a PNG.
How much will my image be compressed?
Results depend on the original file and quality setting. JPEG photos typically reduce by 40โ€“70% with minimal visible quality loss at 80%+ quality. PNG images compress less dramatically because PNG uses lossless encoding by design. The before-and-after panel shows exact byte savings immediately after compression.
Will compression affect image quality?
Some quality reduction occurs during lossy compression (JPG/WebP). The quality slider lets you control the trade-off precisely. At 85%+ quality, differences are usually imperceptible. At 60โ€“70% quality, files are much smaller but compression artefacts may appear in detailed areas. The side-by-side preview lets you judge visual quality before downloading.
Is my image uploaded to a server?
No. All compression runs entirely in your browser using the browser-image-compression library. Your image is never transmitted anywhere โ€” it is processed in memory locally and saved directly to your device. Safe for personal photos, confidential screenshots, and business images.
What is the difference between Max File Size and Quality settings?
"Max File Size" sets an upper ceiling โ€” the tool reduces quality automatically until the output falls under that size. "Quality" sets a compression level directly as a percentage. When both are set, quality runs first, then further reduces if needed to hit the size target. Relying primarily on the quality slider gives more predictable visual results.
Can I compress multiple images at once?
The current version processes one image per session. After downloading the compressed result, click "Reset" to upload and compress the next image. Each compression completes in under a second for typical photos, so batching through multiple images manually is quick.

Built & maintained by Team AWE-OS

This tool is developed in-house and manually re-tested on Chrome, Firefox, Edge, and Safari after every update, following our tool testing policy. Found a bug? Tell us โ€” fixes are usually shipped within days.

We use cookies for analytics to understand how visitors use AWE-OS. No personal data is sold. Privacy Policy.