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Test scope & comparison notes
These are recorded facts, not a unified ranking. Tested tiers and scope are not consistently recorded. Read pricing with its date and timing with its conditions. Privacy observations reflect visible flows and statements, not a security audit.
Cross-task capability coverage across selected products
Each product is scored independently per task edge; switch tasks below while keeping shared products selected| Task edge | JPEG-Optimizer | iLoveIMG | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 83/100 2048 × 2048 · PNG | Compare in task topic → |
| Image compression | 95/100 2048 × 2048 · PNG | 92/100 2048 × 2048 · PNG | Active task |
| Image upscaling | Not tested in topic | 96/100 2048×2048 (PNG · 4.0x Full Resolution) · Historical description; output not attached | Compare in task topic → |
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Browse this task →| Criterion | JPEG-Optimizer (Browser-Local PNG/JPEG/GIF Compressor) Image compression 95/100 Seven-aspect task score Free login-free on-device processing supports target sizes, retaining full-size PNG with about 62% reduction in this run; display ads occupy the sidebar. Tested export 2048 × 2048 · PNG Historical test · 2026-10-19 | iLoveIMG Compress Image Image compression 92/100 Seven-aspect task score Login-free compression downloads automatically and links to further edits, reducing this PNG by about 59%; processing is cloud-based with a deletion control. Tested export 2048 × 2048 · PNG Historical test · 2026-10-18 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | JPEG-Optimizer in-browser bulk image compressor and resizer · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Completely Free Web2026-10-21 ↗ Free Free Free Completely free without login; up to 20 images at once processed locally in the browser for JPEG/PNG/GIF. 1 plan / billing-period records, all listed; — means that period is not recorded. The official page states "Completely Free. 20 images at once." and "Files are NEVER sent to the server, and all processing is handled via your own browser," supporting JPEG/PNG/GIF quality, max KB size, and max dimension settings. Cancellation, sources & verification recordCompletely free in-browser tool with no accounts or paid subscriptions. JPEG-Optimizer official page and privacy notice ↗ · 2026-10-21 Capture 1 ↗ | Web single-user free, monthly, annual and enterprise quote; USD · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Basic2026-10-20 ↗ Free Free Free Basic tools and limited processing; AI background-removal allowance unspecified Premium2026-10-20 ↗ USD 9/month USD 60/year Annual 2,000 AI credits listed; refresh cycle not stated on the card All tools, priority support and no ads; 1–25 users selectable Monthly 2,000 AI credits; reset period not stated on the card 4 plan / billing-period records, all listed; — means that period is not recorded. Pricing, FAQ and removal entry were rechecked. Premium lists 2,000 AI credits, but these pages do not specify removal cost, free image count or credit refresh cycle. Unlimited document processing does not establish unlimited AI removal. FAQ says file-count/size limits block processing; prices include VAT, with region-dependent reverse-charge invoicing. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordUpgrade, downgrade or cancel in account settings; refund terms not separately verified. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ Current pricing and AI credits ↗ · 2026-10-20 Capture 1 ↗ Official handling of usage limits ↗ · 2026-10-20 Capture 1 ↗ Background removal entry recheck ↗ · 2026-10-20 Capture 1 ↗ |
| Free & trial allowance on the test date | 100% free with up to 20 images per batch and one-click ZIP download | Free multi-image batch compression (up to 15–30 images per task) without a strict 5 MB single-file wall |
| Cancellation & refunds | Completely free in-browser tool with no accounts or paid subscriptions. | Upgrade, downgrade or cancel in account settings; refund terms not separately verified. |
| Disclosure of costs & limits | Free batch quota and browser-local privacy guarantee are disclosed upfront above the fold | Displays exact before/after KB and percentage saved immediately upon completion |
| Task quality | ||
| Measured fixture results | File reduction: 61.76% · Output size: 1582.4 KB | File reduction: 59.02% · Output size: 1695.6 KB |
| Fixture findings | Local processing reduced this fixture by about 62%; other formats and images need separate tests. | Reduced the tested PNG by about 59% with automatic download and no login; other inputs remain untested. |
| Original historical observation | Despite its legacy 'JPEG-Optimizer' name, the tool fully supports client-side PNG, JPEG, and GIF compression. It shrinks our 4.14 MB anchor PNG by 61.76% to 1.55 MB locally in 1.4s with PSNR=39.35 dB and SSIM=0.9984 (02_workspace.png, 03_download.png). | iLoveIMG compresses our 4.24 MB (2048×2048) anchor PNG down to 1,695.6 KB (-59.02%) in 3.4s without login and triggers an automatic download at PSNR=34.64 dB and SSIM=0.9953 (02_workspace.png, 03_download.png). |
| Suitable uses · historical assessment | Privacy-conscious users who strictly prohibit cloud uploads and need fast 20-image batch PNG/JPEG compression in the browser | Users who need fast, no-login batch compression of high-resolution PNG/JPG images larger than 5 MB without paying or signing up |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | 2048 × 2048 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048×2048 (native resolution watermark-free PNG direct export) | 2048×2048 (native resolution preserved, watermark-free PNG auto-download) |
| Watermark observation | Watermark-free | Watermark-free |
| Batch & API | Supports 20-image batch local compression and ZIP archive export; no external API | Supports batch drag-and-drop, Google Drive / Dropbox import, and developer REST API |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | 2048 × 2048 · PNG | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 1.4s · End-to-end reference: 1.4s | Network-observed server wait: 3.4s · End-to-end reference: 5.6s |
| Date & fixture | 2026-10-19 · anchor_compress_v1 · US-West (California, AS2914) | 2026-10-18 · anchor_compress_v1 · US-West (California, AS2914) |
| Repeated tests & reliability | No standardized repetition count, success rate or variability range is recorded. | No standardized repetition count, success rate or variability range is recorded. |
| Interaction experience | ||
| Account requirements | No login in this test | No login in this test |
| Sign-in methods | No login required (no account system on site) | No login required for free batch compression |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | One-click quality slider, target max KB, and dimension controls without login; exports directly via a browser blob: URL with only standard sidebar display ads. | Zero registration gates or paywall traps; results download automatically and include a one-click server delete button. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | JPEG-Optimizer (jpeg-optimizer.com) | iLoveIMG / iLovePDF |
| Recorded origin | Independent Web Utility | Barcelona, Spain |
| Domain history record | 2010–Present (16-year established domain) | 2016–Present (sister site of iLovePDF) |
| Background & reputation assessment | Long-running web image optimization utility (jpeg-optimizer.com) operating since 2010, modernized with a pure client-side browser processing pipeline. | Operated by the Barcelona-based iLovePDF / iLoveIMG team with ISO/IEC 27001 certification. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | Uploaded for cloud processing |
| Third-party tracking record | Not verified | Not verified |
| Engineering & privacy assessment | Explicitly promises and verified via network inspection: 'Privacy: Files are NEVER sent to the server, and all processing is handled via your own browser.' 100% client-side zero-upload execution. | HTTPS encrypted upload with an explicit trash button on the download screen to immediately wipe files from servers (auto-deleted within 2 hours). |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Claims deletion within 2 hours; deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 33.5 / 35 Clearly states 'Completely Free. 20 images at once.' on the landing page (01_landing.png) with zero paywalls, zero sign-up gates, and zero hidden limits; importing our 4.14 MB anchor PNG immediately generates a free local Download link and ZIP batch archive button (02_workspace.png, 03_download.png). | 32.5 / 35 Free tier supports generous multi-file batch uploads without login or tight 5 MB per-file walls; after clicking 'Compress IMAGES', it displays 'Images are now 59% smaller!' and automatically triggers download (01_landing.png, 02_workspace.png, 03_download.png). |
| Interaction restraint | 27.5 / 30 One-click quality slider, target max KB, and dimension controls without login; exports directly via a browser blob: URL with only standard sidebar display ads. | 27.5 / 30 Zero registration gates or paywall traps; results download automatically and include a one-click server delete button. |
| Background & reputation | 18 / 20 Long-running web image optimization utility (jpeg-optimizer.com) operating since 2010, modernized with a pure client-side browser processing pipeline. | 19 / 20 Operated by the Barcelona-based iLovePDF / iLoveIMG team with ISO/IEC 27001 certification. |
| Engineering & privacy | 15 / 15 Explicitly promises and verified via network inspection: 'Privacy: Files are NEVER sent to the server, and all processing is handled via your own browser.' 100% client-side zero-upload execution. | 13.5 / 15 HTTPS encrypted upload with an explicit trash button on the download screen to immediately wipe files from servers (auto-deleted within 2 hours). |
| Task quality | 61.2 / 65 Preserves native 2048×2048 PNG format at default 80% quality while shrinking 4,137.9 KB down to 1,582.4 KB (61.76% reduction, 2.61× ratio) with PSNR = 39.35 dB and SSIM = 0.9984 (61.2/65) | 58 / 65 Reduces the 4,137.9 KB 2048×2048 PNG to 1,695.6 KB (-59.02%, 2.44× ratio) while maintaining native PNG format, PSNR = 34.64 dB, and SSIM = 0.9953 (56.5/65) |
| Deliverable specifications | 20 / 20 100% preserves 2048×2048 pixel dimensions and native PNG format without watermarks or login (20.0/20) | 20 / 20 Exports a watermark-free 2048×2048 PNG without login and supports larger single files than 5 MB-capped tools (19.5/20) |
| Processing speed | 13.8 / 15 100% local browser computation (0s network upload), completing 4.14 MB PNG compression in ~1.4s (13.8/15) | 13 / 15 Completes cloud compression in ~3.4s and automatically triggers browser download (13.5/15) |
