Compress Image Online
Reduce image file sizes for web pages, email attachments, and upload limits. Upload a JPG, PNG, or WebP image and download a smaller version in seconds.
Click to upload or drag and drop
JPG, JPEG, PNG, WEBP — up to 10 files, max 10MB each
This compress image helps you reduce file size while keeping the output useful for uploads, sharing, and web performance. It supports JPG, PNG, WebP images and MP4, MOV, WebM, AVI video files and is ideal for images over 200kb slow down page load and hurt core web vitals scores, many forms, portals, and cms uploads reject files above 1mb or 500kb and social platforms re-compress uploads — pre-compressing yourself controls the output quality.
Unlike other tools, ConvertWiki focuses on speed, simplicity, and privacy. Your files are processed quickly and are not stored on any server.
You can use this tool for:
- Images over 200KB slow down page load and hurt Core Web Vitals scores
- Many forms, portals, and CMS uploads reject files above 1MB or 500KB
- Social platforms re-compress uploads — pre-compressing yourself controls the output quality
- Smaller images mean lower storage and bandwidth costs for websites and apps
How to use this tool:
- Upload your file or paste your content into the tool.
- The tool will automatically process it.
- Download the result instantly — no account required.
Why use ConvertWiki?
How image compression works
Image compression reduces file size by removing redundant data or applying lossy encoding. JPG and WebP use lossy compression — you can adjust the quality level to trade some detail for a much smaller file. PNG uses lossless compression by default, though palette-based methods can reduce colors for even smaller results.
For most web and email use cases, a quality setting of 75–85 is a good balance. The output looks identical at normal screen sizes but weighs significantly less.
When to compress images
- Images over 200KB slow down page load and hurt Core Web Vitals scores.
- Many forms, portals, and CMS uploads reject files above 1MB or 500KB.
- Social platforms re-compress uploads — pre-compressing yourself controls the output quality.
- Smaller images mean lower storage and bandwidth costs for websites and apps.
Frequently Asked Questions
JPG, JPEG, PNG, and WebP. Output format matches the input.
Typical compression reduces file size by 40–80% depending on the image content and quality setting.
At quality 75 and above the visual difference is negligible at normal screen sizes. Lower settings produce smaller files with more visible artifacts.
No. Images are processed for the requested compression and immediately discarded.
Yes, it is completely free with no signup required.