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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 | aconvert.com | everytool4u.com | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 73/100 1600 × 1600 · PNG | Compare in task topic → |
| Image compression | 86/100 2048 × 2048 · PNG | 80/100 2048 × 2048 · PNG | Active task |
| PDF to Word | 79/100 DOCX · Output attached | 81/100 DOCX · Output attached | |
| PDF compression | 96/100 PDF · Output attached | 81/100 PDF · Output attached | |
| 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 → |
| Video compression | 85/100 MP4 · Output attached | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | Aconvert Image compression 86/100 Seven-aspect task score 100% free with no login, reducing the 4.14 MB anchor by 56.5% to 1.80 MB at PSNR 36.1 dB with full-resolution unwatermarked output. Tested export 2048 × 2048 · PNG Historical test · 2026-11-01 | 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 | Aconvert 100% free file conversion and compression service · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-11-01 ↗ Free Free Free 100% free without login, 40MB per file, up to 10 files per batch Full access to multi-format conversion and compression across documents, media, eBooks, and archives；40MB per-file limit, 10 files per batch, display ads present；Permanently free, no renewal；Perpetual access 1 plan / billing-period records, all listed; — means that period is not recorded. All conversion and compression features are 100% free with ad and voluntary donation support; 40MB per-file limit (up to 10 files per batch) with zero paid plans or paywalls. Cancellation, sources & verification recordCancellation and refund terms unverified Aconvert Official Homepage ↗ · 2026-11-01 Capture 1 ↗ Aconvert About and Free Model ↗ · 2026-11-01 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 | Completely free, 40MB per file limit, up to 10 files per batch | Completely free across all features with zero file count limits |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Compression parameters and instructions clearly disclosed on page | Upload immediately displays size estimation and transparently reports saved bytes and download options post-compression |
| Task quality | ||
| Measured fixture results | File reduction: 56.5% · Output size: 1800.1 KB | File reduction: 0% · Output size: 4137.9 KB |
| Fixture findings | Over 50% size reduction while preserving 2048px resolution and transparency; solid quality and easy to use. | Strict lossless PNG policy with PSNR 99.99 dB and SSIM 1.0, preserving bit-level fidelity with zero quality degradation. |
| Original historical observation | Aconvert processes compression on cloud servers, reducing the 4.14 MB anchor by 56.5% to 1.80 MB under default Lossy 80 while maintaining SSIM 0.9966 and preserving micro-textures. | EveryTool4U processed locally in 1.15s, adopting a lossless fidelity approach for PNGs (02_result.png, 03_download.png). |
| Suitable uses · historical assessment | Users and webmasters needing fast free image compression while preserving transparency and 2048px original resolution | 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 x 2048 (Full-resolution unwatermarked PNG) | 2048x2048 native PNG (4,137.9 KB · 100% lossless fidelity) |
| Watermark observation | No watermark | No watermark |
| Batch & API | Supports up to 10 files concurrent upload with multi-format conversion | 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 | Network-observed server wait: 11.2s · End-to-end reference: 14.7s | Recorded local processing time: 0s · End-to-end reference: 1.15s |
| Date & fixture | 2026-11-01 · 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 | All platform features accessible directly without registration or login | No login required, direct local compress and export |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Aconvert Project (PDFConvertOnline.com) | EveryTool4U |
| Recorded origin | United States | Not verified |
| Domain history record | Development team active since 2000 | Not verified |
| Background & reputation assessment | Not verified | Not verified |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | On-device processing |
| Third-party tracking record | Google AdSense · Google Analytics | Google AdSense · Google Tag Manager |
| Engineering & privacy assessment | Not verified | Not verified |
| Retention statement | Claims deletion within 2 hours; deletion not independently verified | This flow runs locally; post-close deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | ||
| Interaction restraint | ||
| Background & reputation | ||
| Engineering & privacy | ||
| Task quality | 56 / 65 Size Reduction: -56.5% (4137.9 KB → 1800.1 KB, 2.3× ratio) · PSNR: 36.1 dB · SSIM: 0.9966 | 40 / 65 Size Reduction: -0% (4137.9 KB → 4137.9 KB, 1× ratio) · PSNR: 99.99 dB · SSIM: 1 |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048 x 2048 (Full-resolution unwatermarked PNG) | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048x2048 native PNG (4,137.9 KB · 100% lossless fidelity) |
| Processing speed | 8.5 / 15 Network-observed server wait: 11.2s (API mode: cloud_server; network upload 3.5s / end-to-end 14.7s shown for reference only, never penalized) | 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) |
