ImagesResizer

Compress Image Online — Free

Reduce your image file size in seconds without visible quality loss. Live size preview, adjustable quality, JPG / PNG / WebP output — all in your browser, 100% private.

Upload the image you want to compress

or drag & drop / paste an image here · JPG, PNG, WebP, GIF · Max quality, 100% free

Select Image

How to Compress an Image

1

Upload your photo

Drag and drop or select any JPG, PNG or WebP image you want to shrink.

2

Adjust quality

Move the slider and watch the estimated file size update live. 70–85% quality is usually the sweet spot.

3

Download

Click Compress & Download to save the smaller file instantly — free, no watermark.

Why Compress Images?

Large image files slow down websites, exceed email attachment limits, and eat up storage. Compressing an image reduces its file size — often by 60–90% — while keeping it looking sharp. Smaller images mean faster page loads, better SEO rankings, and quicker sharing.

Pair compression with our image resizer for the biggest savings: first resize the dimensions down to what you actually need, then compress the result. Read our full guide on how to compress images for the web.

Compress an Image to a Specific File Size

Need to hit an exact size limit? Here's how to reach the most common targets with this tool:

Compress image to 200KB

Most photos under 1600px wide reach 200KB at 80–85% quality with almost no visible difference. Ideal for CMS uploads and web pages.

Compress image to 100KB

Resize the photo to about 1200px wide first, then set quality to roughly 70–80% and watch the live estimate. Choosing WebP output usually gets you under 100KB at higher quality than JPG.

Compress image to 50KB

Resize to about 800px wide, then lower quality until the estimate dips below 50KB — typically 60–70%. This is the sweet spot for job portals, forms and forum avatars.

Compress image to 20KB

Very small targets need small dimensions: resize to 400–500px wide first, then compress at 50–65% quality. Common for government application portals and email signatures.

More Free Image Tools

Image Resizer

Resize images to exact pixel dimensions or by percentage.

Crop Image

Cut your image to any size or aspect ratio.

Convert Image

Convert between JPG, PNG and WebP formats.

Frequently Asked Questions

How do I compress an image without losing quality?
Upload your image, set the quality slider between 70–85%, and download. At these settings the file size drops dramatically while the difference in quality is nearly invisible to the human eye.
How do I compress an image to a specific size like 100KB or 50KB?
Move the quality slider and watch the live estimated output size. Lower the quality until the estimate reaches your target — for example 100KB or 50KB — then click Compress & Download. Converting to WebP usually gives the smallest files.
Is compressing images here safe and private?
Yes. Compression runs entirely in your browser. Your photos are never uploaded to a server, so nobody else can ever see them.
What is the best format for small image file sizes?
WebP usually produces the smallest files at the same visual quality, followed by JPG. PNG is lossless and best for graphics with text or transparency, but produces larger files for photos.
Why is my image file so large in the first place?
Modern phone cameras capture 12–50 megapixel photos, often 3–10MB each. Most uses — web pages, email, social media — need far fewer pixels, so resizing down before compressing gives the biggest savings.
Does compressing an image reduce its dimensions?
No. Compression keeps the same width and height and only reduces file size by encoding the image more efficiently. To change dimensions, use the image resizer, then compress the result for maximum savings.