Description
Free image compressor for JPG, PNG, and WebP. Images are processed locally and never uploaded. It supports batches of up to 40 images, before-and-after comparison, individual JPEG and WebP quality controls, PNG colour reduction, separate downloads, and ZIP export. No account required.
No-Login Task
"Compress and compare batches of JPG, PNG, and WebP images, adjust each result, and download individual files or a ZIP."
Editorial Review & Verification
Hands-on VerifiedDesigners, photographers, and web developers needing to compress, adjust quality, or enforce target file sizes (KB) for batches of JPG, PNG, WebP, AVIF, and HEIC images locally in the browser with split-slider comparisons.
Browsing, customizing, and generating production-ready CSS keyframe animations and transitions directly in the browser.
+ Key Strengths (Pros)
- ✓ Multi-format WebAssembly engine supporting JPG, PNG, WebP, AVIF, and HEIC/HEIF with local MozJPEG and OxiPNG processing
- ✓ Interactive before-and-after comparison slider showing side-by-side quality and exact percentage savings
- ✓ Flexible compression controls supporting both Target KB size limits and manual 1-100 quality sliders
- ✓ Unwatermarked individual downloads and bulk ZIP packaging generated entirely inside client memory
− Limitations (Cons)
- − Large batches with high-megapixel photos (up to 80 MP limit) can exhaust browser memory on low-RAM mobile devices
- − Emits Google Analytics and Snowplow telemetry payloads for web traffic analytics
Catalog signals & Product Power & Utility Review
Selected images are read and processed locally through a dedicated browser WebWorker using WebAssembly codecs without remote server uploads; observed 5 analytics payloads (GA4, Snowplow) with zero image data egress.
Uploaded 76 KB JPEG fixture into Olivez Image Compressor with 0ms freeze latency and 0.03 CLS. Automated MozJPEG pass achieved 50.4% reduction to 37 KB, rendered comparison slider, and exported a clean 38,339-byte JPEG artifact across 5 analytics payloads.
- ✓ Catalog classification: client-side processing
- ✓ Processing location does not establish retention or tracking behavior
- ✓ Offline support has not been recorded
- ✓ Catalog tag: Privacy Focused
- ✓ See the hands-on review for the tested no-login workflow
- ✓ Retention and telemetry depend on the provider policy
- ✓ No source repository is recorded in the catalog
- ✓ This does not establish that the software is proprietary
- ✓ See the review for observations from the tested workflow
- ✓ The latest check received a response
- ✓ Availability can change after the recorded check
- ✓ This is a reachability observation, not an uptime guarantee
Verification Details
Selected images are read and processed locally through a dedicated browser WebWorker using WebAssembly codecs without remote server uploads; observed 5 analytics payloads (GA4, Snowplow) with zero image data egress.
Tags
Health History
FAQ
- Does Olivex Image Compressor require an account?
- No. Olivex Image Compressor has been verified by nologin.tools to provide its core functionality — Compress and compare batches of JPG, PNG, and WebP images, adjust each result, and download individual files or a ZIP. — without requiring any login or signup.
- Is Olivex Image Compressor free to use?
- Olivex Image Compressor is listed on nologin.tools as a tool you can use without creating an account. Check the tool's own site for details on pricing or premium features.
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