Image Compressor
Compress JPG, PNG, and WebP images online without resizing dimensions.
PRACTICAL WORKFLOW NOTES
Choose Compression by Destination, Not by File Extension Alone
Image Compressor is the general route for JPG, PNG, and WebP files when the real problem is transfer size rather than one specific source format. It keeps pixel dimensions unchanged in the current workflow and lets you decide whether to keep the source format or encode as JPG, WebP, or PNG. That makes it useful for mixed batches where a single upload may contain photographs, screenshots, and web graphics that do not all respond to compression in the same way.
No, Low, Medium, and High compression provide progressively different size-versus-detail tradeoffs for lossy outputs. An optional Target KB value can ask the compressor to work toward a file-size goal, but a target is not a guarantee. Image complexity, format, existing compression, and the fact that dimensions are not reduced all affect how small a result can become. Explicit PNG output remains lossless and may not shrink the way a lossy format does.
Use Same as original when format continuity matters, but remember that the exact behavior depends on the source and selected compression settings. For a mixed batch, inspect representative results instead of assuming one level is equally suitable for a photograph and a text-heavy screenshot. The general compressor is intentionally broader than the dedicated JPG, PNG, and WebP compressor pages.
Processing and re-encoding occur on the device. Use the dedicated 100KB or 200KB tools when an external form has a named cap and you want that target preselected. Use Image Resizer when reducing pixel dimensions is acceptable, because fewer pixels can change the size equation more substantially than encoding alone.
How to Use Image Compressor
Follow the workflow below and review the result before downloading.
Add images
Upload JPG, PNG, WebP files.
Choose output format
Keep Same as original or choose JPG, WebP, or PNG.
Choose compression and optional Target KB
Use No, Low, Medium, or High compression. Enter Target KB only when you want the compressor to aim toward a specific file size.
Compress in the browser
The selected image is re-encoded without a dimension resize.
Download and compare
Check the file size and visual quality, then download individual results or a ZIP.
What the Compression Controls Actually Change
File-size reduction comes from image encoding choices. The current compressor does not resize the image canvas.
No compression can keep the original
No compression keeps the original file only when the output format, size settings, and Target KB are unchanged.
Low, Medium, and High compression
Stronger lossy compression favors a smaller file with a greater chance of visible detail loss.
Width and height stay the same
The compressor does not reduce pixel dimensions in the current workflow.
Choose a different output format
Use JPG, WebP, or PNG output when the destination format matters as much as file size.
PNG needs special expectations
Lossless PNG output may not shrink. For PNG sources using Same as original with active compression, the engine may choose WebP for practical reduction.
Batch results
Process multiple files and download outputs individually or together as a ZIP.
Continue With Related Tools
Use the next tool only when it matches the next step in the file workflow.
JPG Compressor
Reduce JPG photo file size online.
PNG Compressor
Reduce PNG file size when possible.
WebP Compressor
Compress WebP images for websites.
Compress Image Under 100KB
Use a target-size workflow when a 100KB limit matters.
PRIVACY & RESPONSIBLE USE
Image Compression Runs in Your Browser
The current compressor reads and re-encodes selected image files on your device.
See File Security & Processing and the Privacy Policy for broader site-level details.
Inspect important detail
Lossy compression can affect small text, edges, gradients, and fine image detail.
File size depends on image content
Two images with the same dimensions and quality setting can compress to very different sizes.
Use authorized images
Compression does not change copyright or licensing.
Copyright: Processing or converting a file does not grant permission to reproduce third-party material or bypass passwords, encryption, DRM, or document restrictions. See Copyright & Intellectual Property.
COMMON QUESTIONS
Frequently Asked Questions
Can I use Image Compressor online for free?
Yes. The current compressor is free to use and does not require an account.
Does image compression change the dimensions?
No. The current compressor keeps the source width and height unchanged.
What do Low, Medium, and High compression mean?
They progressively reduce lossy encoding quality to favor smaller files. Stronger compression can make image artifacts more visible.
Can I choose a different output format?
Yes. The output options include Same as original, JPG, WebP, and PNG.
Can I compress several files at once?
Yes. Add multiple supported images and download results individually or as a ZIP.
Why might PNG not become smaller?
PNG output is lossless, and a browser re-save of the same pixels often does not reduce size. The PNG-source Same as original compression path may use WebP when actual reduction is requested.
What does Target KB optional do?
It lets you enter a file-size goal in kilobytes. The compressor can aim toward that value, but the exact result still depends on the image content, output format, and compression setting.
Are images uploaded to a server for compression?
The current image-compression workflow runs in your browser.
Image Compressor
Compress JPG, PNG and WebP images online.