JPEG Compressor

Reduce image size by compressing to JPEG with simple quality and file-size controls.
OptionsAdvanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
Image Compression
File size (%)
1
80
100
If your file is 10 MB, then selecting 80 will produce a 8 MB file. If you make the output file size too small, then output video quality may suffer.
Auto Scale
[Smart Scaling Active] We will automatically adjust the image dimensions to maximize quality while hitting your target file size. Manual resolution settings are hidden to prevent pixelation.
File extension

Compress JPEGs Online in Just a Few Clicks

  1. Upload Your JPEGs: Click the "+ Add Image Files" button to select your JPEG images. You can upload from your computer, Google Drive, or Dropbox.
  2. Adjust Compression Settings (Optional): Use Advanced Options to set a target file size percentage, specific size in KB/MB, or quality level. Enable Auto Scale to resize dimensions automatically for optimal results.
  3. Download Compressed Files: Click "Compress" to start, then download your optimized JPEGs individually or as a ZIP.

Why Compress JPEG Images?

Large JPEG files slow down websites, exceed email attachment limits, and consume storage space. Compressing your JPEGs reduces file size while maintaining visual quality — making them ideal for:

  • Web optimization: Faster page load times improve user experience and search engine rankings.
  • Email attachments: Stay within size limits without splitting files across multiple emails.
  • Social media: Upload photos faster and meet platform size requirements.
  • Storage savings: Free up space on your device, cloud storage, or server.

What is XConvert JPEG Compressor?

XConvert JPEG Compressor is a free online tool that reduces JPEG file size with multiple compression methods:

  • Target File Size (%): Reduce to a percentage of the original — set 50% to cut a 10MB file to ~5MB.
  • Specific File Size: Set an exact target in KB or MB (e.g., compress to 200KB for web use).
  • Quality Control: Adjust the quality slider to find the right balance between size and clarity.
  • Smart Auto-Scaling: Automatically adjusts image dimensions to maximize quality while hitting your target size.
  • Batch Processing: Compress multiple JPEG files at once.
  • No Watermarks: Your compressed images remain clean and professional.
  • No Sign-Up Required: Use the tool instantly without creating an account.

Frequently Asked Questions

How does JPEG compression work?

JPEG uses lossy compression — it removes image data that the human eye is less likely to notice. Higher compression means smaller files but more quality loss. XConvert lets you control this tradeoff with quality presets or target file sizes.

Will compressing my JPEG reduce image quality?

It depends on the compression level. At 70-80% quality, most images look identical to the original while being significantly smaller. XConvert's Smart Auto-Scaling optimizes dimensions alongside compression to preserve the best possible quality at your target size.

What's the maximum file size I can compress?

Free users can compress JPEG files up to 300MB each. There's no limit on the number of files you can process.

Can I compress multiple JPEG images at once?

Yes. Upload multiple files using the file picker or drag and drop. All files are compressed with the same settings and can be downloaded individually or as a ZIP archive.

Is it safe to compress JPEG images on XConvert?

Yes. Files are transmitted over TLS encryption and automatically deleted from our servers after processing. We don't store, share, or access your images.

What's the difference between JPG and JPEG?

They're the same format. JPG became common because older Windows systems limited file extensions to three characters. Both .jpg and .jpeg files use identical compression and are fully interchangeable.

Can I compress a JPEG to a specific file size like 100KB or 200KB?

Yes. Use the "Specific file size" option in Advanced Options to set an exact target in KB or MB. XConvert will compress and optionally resize the image to meet your target.

Does XConvert work on mobile devices?

Yes. XConvert works in any modern browser on Windows, macOS, Linux, Android, and iOS — no app installation required.

Rate JPEG Compressor Tool

Rating: 4.7 / 5 - 46540 reviews