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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 | WeCompress | DupliChecker | Switch / compare |
|---|---|---|---|
| Image compression | 92/100 2048 × 2048 · PNG | 90/100 2048 × 2048 · PNG | Active task |
| PDF compression | 96/100 PDF · Output attached | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | WeCompress (Neuxpower NXPowerLite Online Compressor) Image compression 92/100 Seven-aspect task score Login-free access discloses free size limits, roughly halves this PNG and offers deletion; cloud processing comes with ads and desktop promotions. Tested export 2048 × 2048 · PNG Historical test · 2026-10-19 | DupliChecker Image Compressor Image compression 90/100 Seven-aspect task score Upfront free limits and login-free batch downloads accompany roughly halved PNG size; each image is capped at 5MB amid many ads and tool links. Tested export 2048 × 2048 · PNG Historical test · 2026-10-19 |
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| Pricing & rules | ||
| Pricing plans | WeCompress online file and image compressor web tool (excludes separately sold NXPowerLite Desktop software) · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits WeCompress Online Free2026-10-21 ↗ Free Free Free Free without login; max 50 MB per file (supports JPEG/PNG/TIFF and PDF/Office documents) with ad-free, unwatermarked export. 1 plan / billing-period records, all listed; — means that period is not recorded. The WeCompress web tool explicitly states it is free, ad-free, and requires no registration for files up to 50 MB (supporting JPEG, PNG, TIFF, PDF, PowerPoint, Word, and Excel), with automatic deletion after processing. Users needing larger file limits or offline batch compression are directed to the separate NXPowerLite Desktop software. Cancellation, sources & verification recordWeCompress web is completely free with no subscription charges; NXPowerLite Desktop is sold separately by Neuxpower. WeCompress official online file compressor page ↗ · 2026-10-21 Capture 1 ↗ | DupliChecker online Image Compressor tool (excludes separate Plagiarism, Paraphrasing, and Reverse Image Search plans) · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Image Compressor Free2026-10-21 ↗ Free Free Free Free without login; up to 10 images per batch, max 5 MB each (JPG/JPEG/PNG). 1 plan / billing-period records, all listed; — means that period is not recorded. The Image Compressor page explicitly states "100% Free" and supports up to 10 images per batch at max 5 MB each (JPG/JPEG/PNG) without login. Site-wide Pricing links cover Plagiarism, Paraphrasing, and Reverse Image Search quotas; image compression requires no subscription. Cancellation, sources & verification recordThe Image Compressor tool is free to use and involves no subscription charges. DupliChecker official online Image Compressor page ↗ · 2026-10-21 Capture 1 ↗ |
| Free & trial allowance on the test date | Free single-file compression up to 50 MB for PNG, JPEG, TIFF, PDF, PPT, Word, and Excel; bulk offline batching requires NXPowerLite Desktop | Free guests can upload up to 10 images per batch, max 5 MB per image |
| Cancellation & refunds | WeCompress web is completely free with no subscription charges; NXPowerLite Desktop is sold separately by Neuxpower. | The Image Compressor tool is free to use and involves no subscription charges. |
| Disclosure of costs & limits | 50 MB file size limit and desktop vs web differences are transparently stated upfront | 'Upload Up to 10 images, max 5MB each' is printed directly inside the upload box |
| Task quality | ||
| Measured fixture results | File reduction: 50.8% · Output size: 2035.9 KB | File reduction: 53.34% · Output size: 1930.7 KB |
| Fixture findings | Reduced this fixture by about 51% without manual settings; findings cover this image test only. | Reduced this fixture by about 53% without login or a watermark; the page contains many surrounding links. |
| Original historical observation | Powered by Neuxpower's mature NXPowerLite engine, WeCompress requires zero manual tuning to cut our 4.14 MB anchor PNG by 50.80% to 2.04 MB while maintaining PSNR=39.65 dB and SSIM=0.9985 (02_workspace.png, 03_download.png). | While DupliChecker's page has many SEO cross-links, its core compression pipeline is solid: shrinking our 4.14 MB anchor PNG by 53.34% to 1.89 MB at PSNR=39.54 dB and SSIM=0.9985 with no login required (02_workspace.png, 03_download.png). |
| Suitable uses · historical assessment | Office users who prefer a zero-configuration workflow for compressing large images (≤50 MB) alongside PDF, PowerPoint, Word, and Excel files | Users who want quick no-login compression for PNG/JPEG files under 5 MB with manual quality slider control |
| 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 watermark-free PNG direct export) |
| Watermark observation | Watermark-free | Watermark-free |
| Batch & API | Single-file sequential processing on web; desktop app available for bulk offline processing | Supports 10-image batch upload and one-click Download All |
| 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: 4.8s · End-to-end reference: 6.8s | Network-observed server wait: 5.4s · End-to-end reference: 7.6s |
| Date & fixture | 2026-10-19 · anchor_compress_v1 · US-West (California, AS2914) | 2026-10-19 · 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 login required |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Zero-config single-click upload and download; gently recommends NXPowerLite Desktop after download alongside a right-rail Google AdSense banner. | Supports no-login single or Download All batch export, though the surrounding page layout is cluttered with internal SEO tool links and ad slots. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Neuxpower Solutions Ltd. | DupliChecker (duplichecker.com) |
| Recorded origin | London, United Kingdom | Multi-Tool Web Portal |
| Domain history record | Vendor founded in 1997; wecompress.com operating for 10+ years | 2006–Present (20-year utility portal) |
| Background & reputation assessment | Operated by Neuxpower Solutions Ltd. (London, UK, founded 1997), creators of the enterprise NXPowerLite compression suite. | Long-standing SEO and text/image utility portal (duplichecker.com) operating since 2006. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | Not verified | Not verified |
| Engineering & privacy assessment | ISO/IEC 27001 certified infrastructure with one-click manual cloud deletion and automatic short-term file purging. | Delivers compressed outputs via temporary AWS S3 buckets (temp-ca.s3.amazonaws.com) and states that temporary files are automatically purged. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 32.5 / 35 Clearly states free no-login compression for files up to 50 MB on the landing page (01_landing.png); uploading our 4.14 MB anchor PNG immediately displays '4.04 MB ➔ 1.99 MB (51%)' and a free download button with zero paywalls (02_workspace.png, 03_download.png). | 31 / 35 Clearly states free tier limits inside the dropzone ('Upload Up to 10 images, max 5MB each.', 01_landing.png); uploading our 4.14 MB anchor PNG and clicking Compress Image immediately reveals a free 'Save -53% (1.89 MB)' download button with zero paywalls (02_workspace.png, 03_download.png). |
| Interaction restraint | 26.5 / 30 Zero-config single-click upload and download; gently recommends NXPowerLite Desktop after download alongside a right-rail Google AdSense banner. | 24.5 / 30 Supports no-login single or Download All batch export, though the surrounding page layout is cluttered with internal SEO tool links and ad slots. |
| Background & reputation | 19 / 20 Operated by Neuxpower Solutions Ltd. (London, UK, founded 1997), creators of the enterprise NXPowerLite compression suite. | 16.5 / 20 Long-standing SEO and text/image utility portal (duplichecker.com) operating since 2006. |
| Engineering & privacy | 13.5 / 15 ISO/IEC 27001 certified infrastructure with one-click manual cloud deletion and automatic short-term file purging. | 12.5 / 15 Delivers compressed outputs via temporary AWS S3 buckets (temp-ca.s3.amazonaws.com) and states that temporary files are automatically purged. |
| Task quality | 59.8 / 65 Preserves native 2048×2048 PNG format while reducing 4,137.9 KB to 2,035.9 KB (50.80% reduction, 2.03× ratio) with high PSNR = 39.65 dB and SSIM = 0.9985 (59.8/65) | 60.2 / 65 Preserves native 2048×2048 PNG format while reducing 4,137.9 KB to 1,930.7 KB (53.34% reduction, 2.14× ratio) with PSNR = 39.54 dB and SSIM = 0.9985 (60.2/65) |
| Deliverable specifications | 20 / 20 100% preserves 2048×2048 pixel dimensions and native PNG format without watermarks or login (20.0/20) | 20 / 20 100% preserves 2048×2048 pixel dimensions and native PNG format without watermarks or login (20.0/20) |
| Processing speed | 12.2 / 15 Cloud NXPowerLite engine completes upload and compression in ~6.8s (~4.8s server processing) (12.2/15) | 11.8 / 15 Cloud upload and AWS S3 compressed delivery complete in ~7.6s (~5.4s server processing) (11.8/15) |
