What Is Image Compressor?
An image compressor reduces an image's file size while attempting to preserve useful visual quality. ReadyForFile can compress supported images to exact selected target sizes such as 20KB, 50KB, or 100KB for government forms, job applications, and website optimization. All processing runs 100% locally inside your browser.
Key Features of Image Compressor
Here's what makes ReadyForFile's Image Compressor stand out from other online tools:
- Exact target file size limits (20KB, 50KB, 100KB, 200KB, 500KB)
- Side-by-side Before vs After visual comparison
- 100% browser-side processing for total privacy
- Batch compress multiple images simultaneously
How to Use Image Compressor (Step-by-Step)
Follow these simple steps to use the image compressor on ReadyForFile:
- Step 1: Upload Images — Drop your JPG, PNG, or WebP files into the upload area or click browse.
- Step 2: Select Target Size or Quality — Choose a target preset (20KB, 50KB, 100KB) or adjust the quality slider.
- Step 3: Download Compressed File — Review the Before vs After comparison and click Download to save your compressed image.
Why Use a Browser-Based Image Compressor?
Traditional desktop applications require manual installation, software licenses, and frequent updates. ReadyForFile's Image Compressor runs entirely inside your web browser, which means zero software downloads, instant access from any device, and maximum data privacy. Your files are processed locally — they never get uploaded to external servers (where technically feasible). This makes it ideal for sensitive documents, personal files, and professional workflows where data security matters.
Supported File Formats
ReadyForFile's Image Compressor supports the following formats: JPG, JPEG, PNG, WebP, AVIF, JPG, JPEG, PNG, WebP, AVIF, JPG, JPEG, PNG, WebP, AVIF. Whether you're working with common formats or specialized file types, our tool handles them all seamlessly in your browser.
Try Image Compressor Now — It's Free!
No signup required. Open the tool, upload your file, and get results in seconds. Works on any device.
Open Image CompressorFrequently Asked Questions
Can I compress an image to under 20KB or 50KB?
Yes. Select 20KB or 50KB as the target size. ReadyForFile automatically adjusts compression and scaling parameters iteratively to produce a file under the target size when technically achievable.
Does image compression reduce photo quality?
ReadyForFile uses modern lossy and lossless algorithms at high quality thresholds so that visual degradation remains virtually imperceptible to the human eye.
Are my uploaded photos safe and private?
Yes. All compression runs 100% locally in your web browser using HTML5 Canvas APIs. Your files are never uploaded to any external server.
Can I compress multiple images at once?
Yes. You can drag and drop multiple images at once for instant batch compression.
Is Image Compressor on ReadyForFile really free?
Yes, 100% free. There are no hidden fees, usage limits, watermarks, or mandatory account signups. You can use the Image Compressor as many times as you need.
Does Image Compressor work on mobile phones?
Yes. ReadyForFile is built with a responsive design that works seamlessly on smartphones, tablets, laptops, and desktop computers running any modern web browser.