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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 | everytool4u.com | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 73/100 1600 × 1600 · PNG | Compare in task topic → |
| Image compression | 95/100 2048 × 2048 · PNG | 80/100 2048 × 2048 · PNG | Active task |
| PDF to Word | Not tested in topic | 81/100 DOCX · Output attached | Compare in task topic → |
| PDF compression | Not tested in topic | 81/100 PDF · Output attached | Compare in task topic → |
| Scanned PDF OCR | Not tested in topic | 96/100 PDF · Output attached | Compare in task topic → |
| PDF merge & split | Not tested in topic | 97/100 PDF · Output 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 | EveryTool4U Image compression 80/100 Seven-aspect task score EveryTool4U strictly maintains a lossless PNG preservation policy in the 4.14 MB PNG benchmark, processing locally in 1.15 seconds with instant export. The image retains 100% bit-level fidelity (PSNR = 99.99 dB, SSIM = 1.0) with 0.0% size reduction on this pre-optimized anchor. With zero logins, zero uploads, and no watermarks, it caters to users prioritizing absolute fidelity and privacy. Tested export 2048 × 2048 · PNG Historical test · 2026-11-05 |
|---|---|---|
| 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 ↗ | EveryTool4U platform tool authorization and service pricing · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Tier2026-11-01 ↗ Free Free Free Unlimited usage across 109 online tools with no daily quota or queue limits Includes PDF merge, split, compression, Word conversion, OCR, image compression, background removal, and office utilities；Client-side processing; performance on large files depends on local device RAM and browser limits；No account registration or renewal required；Permanent access 1 plan / billing-period records, all listed; — means that period is not recorded. All tools are completely free indefinitely without registration or subscriptions; most tasks execute entirely on-device. Cancellation, sources & verification recordCancellation and refund terms unverified EveryTool4U Official Homepage ↗ · 2026-11-01 Capture 1 ↗ EveryTool4U About and Privacy Architecture Page ↗ · 2026-11-01 Capture 1 ↗ |
| Free & trial allowance on the test date | 100% free with up to 20 images per batch and one-click ZIP download | Completely free across all features with zero file count limits |
| Cancellation & refunds | Completely free in-browser tool with no accounts or paid subscriptions. | Not verified |
| Disclosure of costs & limits | Free batch quota and browser-local privacy guarantee are disclosed upfront above the fold | Upload immediately displays size estimation and transparently reports saved bytes and download options post-compression |
| Task quality | ||
| Measured fixture results | File reduction: 61.76% · Output size: 1582.4 KB | File reduction: 0% · Output size: 4137.9 KB |
| Fixture findings | Local processing reduced this fixture by about 62%; other formats and images need separate tests. | Strict lossless PNG policy with PSNR 99.99 dB and SSIM 1.0, preserving bit-level fidelity with zero quality degradation. |
| 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). | EveryTool4U processed locally in 1.15s, adopting a lossless fidelity approach for PNGs (02_result.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 | Privacy-sensitive users wanting fast compression for JPG/WebP while guaranteeing zero degradation for PNGs |
| 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) | 2048x2048 native PNG (4,137.9 KB · 100% lossless fidelity) |
| Watermark observation | Watermark-free | No watermark |
| Batch & API | Supports 20-image batch local compression and ZIP archive export; no external API | Supports single and batch image compression |
| 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 | Recorded local processing time: 0s · End-to-end reference: 1.15s |
| Date & fixture | 2026-10-19 · anchor_compress_v1 · US-West (California, AS2914) | 2026-11-05 · anchor_compress_v1 · Client-Side (Canvas / Browser Local) |
| 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, direct local compress and export |
| 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. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | JPEG-Optimizer (jpeg-optimizer.com) | EveryTool4U |
| Recorded origin | Independent Web Utility | Not verified |
| Domain history record | 2010–Present (16-year established domain) | Not verified |
| Background & reputation assessment | Long-running web image optimization utility (jpeg-optimizer.com) operating since 2010, modernized with a pure client-side browser processing pipeline. | Not verified |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | On-device processing |
| Third-party tracking record | Not verified | Google AdSense · Google Tag Manager |
| 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. | Not verified |
| Retention statement | This flow runs locally; post-close deletion not independently verified | This flow runs locally; post-close 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). | |
| 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. | |
| 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. | |
| 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. | |
| 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) | 40 / 65 Size Reduction: -0% (4137.9 KB → 4137.9 KB, 1× ratio) · PSNR: 99.99 dB · SSIM: 1 |
| Deliverable specifications | 20 / 20 100% preserves 2048×2048 pixel dimensions and native PNG format without watermarks or login (20.0/20) | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048x2048 native PNG (4,137.9 KB · 100% lossless fidelity) |
| Processing speed | 13.8 / 15 100% local browser computation (0s network upload), completing 4.14 MB PNG compression in ~1.4s (13.8/15) | 15 / 15 Network-observed server wait: 0s (API mode: client_side_canvas_browser; network upload 0s / end-to-end 1.15s shown for reference only, never penalized) |
