What's the fastest way to reduce image size?

Combine resizing and compression. Resize to your needed dimensions first, then compress quality to 75-85%. This achieves the most dramatic size reduction.

Can I reduce size without losing quality?

Resizing to smaller dimensions reduces size without affecting visible quality at the new size. Compression at 85-95% produces invisible quality loss.

How small can I make my image?

With aggressive resizing and compression, you can reduce a 10MB photo to under 100KB. The limit depends on acceptable quality and dimensions.

Which format gives the smallest file?

AVIF and WebP produce the smallest files. Converting a JPG to WebP can save an additional 25-35% beyond compression alone.

Reduce Image Size — Compress & Resize Online

Two ways to reduce image size: compress quality or resize dimensions. Use both together for maximum reduction — all in your browser.

No Upload to Servers100% FreeNo Signup Required

How It Works

Upload Your Image

Select any image — JPG, PNG, WebP, GIF, or other formats.

Compress or Resize

Lower the quality to reduce file size, resize to smaller dimensions, or both for maximum effect.

Download Smaller Image

Get your reduced image. See exactly how much space you saved.

Key Features

Dual Approach

Reduce size through compression (quality), resizing (dimensions), or both combined for maximum savings.

Real-Time Preview

See file size change as you adjust settings. Hit your target size precisely.

All Formats

Reduce size of JPG, PNG, WebP, GIF, and more. Each format optimized individually.

Private & Fast

Local browser processing means instant results with zero privacy risk.

Why Choose ConvertMinify

There are two approaches to reducing image file size: compression (reducing quality slightly) and resizing (reducing pixel dimensions). Compression alone typically achieves 40-70% reduction. Resizing can reduce a 4000x3000 image to 1200x900, cutting size by 75%. Combine both for 80-95% total reduction.

ConvertMinify offers both tools. Start with the compressor for quality-only reduction, or use the resize tool to reduce dimensions first. For images that need to hit specific size targets (100KB, 200KB), combining both approaches is the most effective strategy.

Who Uses This

Faster Websites

Reduce all image assets for dramatically faster page loads. Smaller images = higher Google PageSpeed scores.

Meeting Upload Limits

Reduce images to meet specific file size requirements for forms, applications, and portals.

Email Friendly

Reduce image sizes so emails load quickly and don't hit attachment limits.

Storage Savings

Reduce your photo library size to save gigabytes of cloud storage and device space.

Frequently Asked Questions

Related Tools

Compress JPG

Reduce JPG size through compression

Resize Image

Reduce dimensions for smaller files

JPG to WebP

Convert format for extra size savings

Compress PNG

Reduce PNG files while keeping transparency

Smaller images, faster everything. Reduce your image sizes now — free and private.