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🆓 Free · No Signup · Bulk Compress

Compress Image Online Free —
Reduce to Any KB or MB Size

Compress JPG, PNG and WebP images to an exact target size — 20KB, 50KB, 100KB, 200KB, 500KB or 1MB. Bulk compress multiple images instantly. 100% private, browser-based.

20 KB 30 KB 50 KB 100 KB 200 KB 500 KB 1 MB
📦 Bulk Compress 🎯 Target KB Size 🖼️ JPG · PNG · WebP 🔒 100% Private ⚡ Instant
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Image Compressor

Upload images → Set target size → Compress → Download

🗜️

Upload Images to Compress

JPG · PNG · WebP · Multiple files · Drag & drop

Compression Mode
Target File Size
KB custom
Output Format
✅ All images compressed!
Upload images above to compress them.
Quick Compress

Compress Image to Exact KB Size — One Click

Click any size target below to set it instantly in the compressor tool above.

Target Size Best For Common Uses Quick Set
20 KB Email thumbnails, avatars Forum profile pics, small web icons, WhatsApp stickers
30 KB Small online forms Government portals, admission forms, registration uploads
50 KB Online applications & forms Job portals, exam forms, ID photo uploads, bank KYC
100 KB Web images, social media Blog images, WhatsApp DP, Facebook posts, website thumbnails
200 KB Product photos, listings E-commerce product images, Instagram posts, portfolio thumbnails
500 KB High-quality web images Hero banners, blog feature images, presentation slides
1 MB Large quality images Portfolio galleries, print-ready web photos, high-res uploads
How It Works

How to Compress Image Size Online — 4 Steps

Reduce image file size to any KB or MB target in seconds. No software, no account needed.

1

Upload Your Images

Click "Choose Images" or drag and drop. Supports JPG, PNG and WebP. Upload multiple images at once for bulk compression.

2

Choose Target Size or Quality

Use Target Size mode to compress image to exactly 20KB, 50KB, 100KB, 200KB, 500KB or 1MB. Or use Manual Quality mode for full quality control.

3

Compress Images

Click "Compress All." Our compressor uses a smart binary-search algorithm to hit your exact target KB size — all inside your browser, nothing uploaded to any server.

4

Download Compressed Files

See the before/after file size and savings percentage for each image. Download individually or grab all compressed images as a ZIP file.

Why Use This

The Best Free Online Image Compressor

Compress image size online — no quality loss, no watermark, no server upload.

🎯

Target KB Compression

Set an exact target like 50KB or 100KB and our smart algorithm compresses the image to hit that precise file size automatically.

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Bulk Image Compressor

Upload and compress dozens of images simultaneously. Download all compressed files at once in a single ZIP — perfect for batch compression.

🖼️

JPG, PNG & WebP Support

Compress JPG images, PNG images and WebP files. Choose to keep the original format or convert to JPG or WebP for smaller output size.

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100% Private

All compression happens inside your browser. Your images are never uploaded to any server — complete privacy and data security guaranteed.

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Before & After Stats

See the original file size, compressed file size, and percentage saved for every image. Know exactly how much you saved.

🆓

Completely Free

No subscription, no watermarks, no file size limits, no account. A true free image compressor online — unlimited use, forever.

FAQ

Frequently Asked Questions — Image Compression

How do I compress an image to exactly 50KB or 100KB?
Select "Target Size" mode, click the "50 KB" or "100 KB" preset button (or type any custom KB value), then click "Compress All." Our algorithm automatically adjusts quality using binary search to get as close to your target size as possible while keeping the best possible image quality.
Can I compress an image to 20KB without losing too much quality?
Yes, but the result depends on the original image dimensions and content. Very large, detailed images compressed to 20KB will show some quality loss. For the best results at 20KB, we recommend also reducing image dimensions before uploading — smaller images retain better quality at very low file sizes.
Is this image compressor really free with no watermark?
100% free, no watermarks, no account, no file size limits. WhatsCrop never adds watermarks to any image you upload or download. Compress as many images as you want — completely free.
Are my images uploaded to a server when I compress them?
Never. All image compression happens entirely inside your browser using the HTML5 Canvas API. Your photos never leave your device — complete privacy is guaranteed. This is one of the biggest advantages of WhatsCrop's compressor over tools like 11zon, Compressor.io or iLoveIMG.
Can I bulk compress multiple images at once?
Yes! Upload multiple JPG, PNG or WebP files in one go. All images are compressed simultaneously with your chosen settings. Download each one individually or click "Download All as ZIP" to get all compressed images in a single file.
What is the difference between Target Size and Manual Quality mode?
Target Size mode automatically finds the best quality setting to hit your exact KB target (e.g. 50KB or 100KB) — ideal for forms, portals, or uploads with strict file size limits. Manual Quality mode lets you set a fixed quality percentage (5–100%) and see the resulting file size — ideal when you want control over the compression level rather than a fixed output size.
Which output format gives the smallest file size?
WebP typically gives the smallest file size at equivalent visual quality — about 25–35% smaller than JPG and up to 50% smaller than PNG. For photos, JPG is a great balance of quality and size. PNG is best for graphics, logos, and images that need transparency. Use the output format selector to try different formats and compare results.
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