Local processing
Your image files are processed in your browser rather than uploaded to ImagesCompressor servers.
Free online image compressor
Compress JPEG, PNG, WebP, and AVIF images online in your browser — no upload, no registration. The same local Image Studio can also convert formats or remove metadata when you need to.
Free No registration Local browser processing
Upload once, then compress, convert, or remove metadata without selecting the file again.
WebP is a practical default for most images.
Choose the color for transparent areas.
A practical quality and file-size balance at the original dimensions.
Process the selected images.
0 images
Need to cut out a region instead? Open the dedicated Crop Image tool →
How it works
Choose one or more supported images from your device.
Compress, convert, or clear metadata directly in your browser.
Review the result, compare before and after, then download individual files or a ZIP.
Designed for practical image work
Your image files are processed in your browser rather than uploaded to ImagesCompressor servers.
Upload once and switch between compression, conversion, and metadata removal.
The studio recommends practical formats and warns when a conversion may create a much larger file.
Process multiple images and download results individually or as a ZIP.
Work with JPEG, PNG, WebP, and AVIF while keeping optional codecs lazy-loaded.
Use the essential tools without creating an account.
Popular tools
Every tool uses the same private browser-based Image Studio with settings prepared for the selected task.
Reduce JPEG size with adjustable lossy compression.
Uses the same local browser-based Image Studio.Open preset CompressOptimize PNG files through clean browser re-encoding.
Uses the same local browser-based Image Studio.Open preset CompressRecompress WebP images with a quality you control.
Uses the same local browser-based Image Studio.Open preset ConvertConvert verified browser formats with optional AVIF support.
Uses the same local browser-based Image Studio.Open preset ResizeResize by pixels or percentage with aspect-ratio control.
Uses the same local browser-based Image Studio.Open preset OptimizeCreate a clean copy without EXIF or hidden source fields.
Uses the same local browser-based Image Studio.Open presetImage knowledge
A decision framework for photographs, graphics, transparency, animation, compatibility, and responsive delivery.
Understand the privacy benefit of local processing, its technical limits, and what a trustworthy tool should disclose.
A practical workflow for making images smaller while keeping the details people actually notice.
FAQ
No. Image bytes are decoded and encoded locally. Optional self-hosted AVIF codec files may be downloaded, but your selected image is not sent with that request.
Verified inputs are JPEG, PNG, WebP, AVIF, GIF, and BMP. Outputs are JPEG, PNG, capability-checked WebP, and AVIF where the on-demand codec can run.
Yes. Add up to 50 images, select a conservative concurrency level, process the batch, and download results individually or as a ZIP.
No. Already optimized files, lossless PNG output, or high quality settings can produce a similar or larger result. The queue shows the exact size change.
Processed outputs are created from decoded pixels. Source EXIF and other metadata are not copied into the new files.