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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 | online-convert.com | youcompress.com | Switch / compare |
|---|---|---|---|
| Image compression | 90/100 2048 × 2048 · PNG | 89/100 2048 × 2048 · PNG | Active task |
| PDF compression | Not tested in topic | 78/100 PDF · Output attached | Compare in task topic → |
| Video compression | Not tested in topic | 95/100 MP4 · Output attached | Compare in task topic → |
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Browse this task →| Criterion | Online-Convert Compress PNG Image compression 90/100 Seven-aspect task score Veteran German file conversion platform offering guest PNG compression (2048×2048) with 55.99% size reduction, 39.27 dB PSNR, 0.9984 SSIM, and intact alpha channel in 7.5s server wait. Tested export 2048 × 2048 · PNG Historical test · 2026-11-02 | YouCompress Image compression 89/100 Seven-aspect task score 100% free with no login, compressing the 4.14 MB anchor by 65.65% to 1.39 MB in 4.27s with PSNR 34.97 dB and full-res transparent PNG export. Tested export 2048 × 2048 · PNG Historical test · 2026-11-04 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Online-Convert free trial credits, Pay As You Go packages and subscriptions · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Trial2026-10-31 ↗ Free Free Free 16 free trial credits upon signup without payment details Supports evaluation of most conversion and compression tools；Shared standard queue with file size limits；No automatic renewal；Valid until credits exhausted Pay As You Go (240 Credits)2026-10-31 ↗ USD 8 · one-time payment Usage / one-time Usage / one-time 240 credits ($0.0333/credit), valid for 1 year Access to all tools, no waiting queue, priority processing Rules [1] [2] [3]Pay As You Go (480 Credits)2026-10-31 ↗ USD 14 · one-time payment Usage / one-time Usage / one-time 480 credits ($0.0292/credit), valid for 1 year Full tools access, zero wait queue, ad-free experience Rules [1] [2] [3]Monthly Subscription (2800 Credits)2026-10-31 ↗ USD 29/month — Monthly 2800 credits per month (up to 2800 standard tasks or 350 AI tasks) All features, no waiting queue, batch concurrent processing, no ads；Unused monthly credits do not roll over；Renews monthly, cancel anytime in dashboard；Valid during active billing period Annual Subscription (2800 Credits/mo)2026-10-31 ↗ — Annual price not verified Annual 2800 credits per month; UI states $23.17 USD/month equivalent without full annual total All features, no waiting queue, batch concurrent processing, no ads；Annual billing total not stated upfront; held as null with partial coverage；Renews annually；Valid during annual period 5 plan / billing-period records, all listed; — means that period is not recorded. Anonymous conversions for basic files; 16 free trial credits upon registration; Pay As You Go packs: 240 credits for $8, 480 for $14; monthly subscription $29/mo for 2800 credits; annual plans state monthly equivalents without full upfront invoice total. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancellation and refund terms unverified Online-Convert Plans & Pricing ↗ · 2026-10-31 Capture 1 ↗ | YouCompress 100% free web utility structure · 2026-10-30 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-30 ↗ Free Free Free 100% free without login, unlimited daily compressions, no watermarks Automated compression for videos, PDFs, MP3s, and PNG/JPG/GIF images 1 plan / billing-period records, all listed; — means that period is not recorded. All file compression utilities are 100% free without registration or usage quotas. Cancellation, sources & verification recordCancellation and refund terms unverified YouCompress Official Homepage ↗ · 2026-10-30 Capture 1 ↗ |
| Free & trial allowance on the test date | Guest users can compress everyday files directly; 16 trial credits granted upon registration | Not verified |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Transparent upfront free tier disclosure and clear credit packs with zero post-conversion paywall traps | Not verified |
| Task quality | ||
| Measured fixture results | File reduction: 55.99% · Output size: 1821 KB | File reduction: 65.65% · Output size: 1421.6 KB |
| Fixture findings | Guest export of native 2048×2048 PNG (1.8 MB · -55.99%) with high visual fidelity (39.27 dB PSNR, 0.9984 SSIM) and intact alpha channel in 7.5s server wait. | Substantial 65.7% size reduction while fully preserving 2048px resolution and transparency without visual artifacts; fast and straightforward. |
| Original historical observation | Online-Convert cloud backend compressed the 4,137.9 KB anchor image to 1,821.0 KB (55.99% reduction) in 7.5s server wait, achieving 39.27 dB PSNR and 0.9984 SSIM while maintaining sharp text edges and clean transparency. | Uploading the standard 4.14 MB PNG anchor (anchor_compress_v1) to YouCompress (https://www.youcompress.com/images/) completed in 4.27s on cloud servers, displaying Completed: Download (4.04MB => 1.39MB, -65.65%), exporting a 1,421.6 KB PNG preserving 2048x2048 resolution, transparency, PSNR 34.97 dB, and SSIM 0.9956. |
| Suitable uses · historical assessment | Users seeking a trusted guest-usable tool to shrink PNG files by over 50% with high fidelity (PSNR 39.27 dB, SSIM 0.9984) and cloud batch workflows | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | 2048 × 2048 · PNG · Check watermark record |
| Historical specification note · not an official maximum | 2048 × 2048 (original size watermark-free PNG) | 2048x2048 (Full-resolution unwatermarked PNG deliverable) |
| Watermark observation | Watermark-free | Not verified |
| Batch & API | Supports batch queuing and advanced conversion parameter tuning | Not verified |
| 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: 7.5s | Network-observed server wait: 4.27s · End-to-end reference: 7.61s |
| Date & fixture | 2026-11-02 · anchor_compress_v1 · US-West (California, AS2914) | 2026-11-04 · 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 | Not verified |
| Sign-in methods | Basic compression usable without login; email/password, Google, and Apple login supported for advanced tiers | Direct anonymous usage without login or registration |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | QaamGo Media GmbH | YouCompress |
| Recorded origin | Cologne, Germany | Not verified |
| Domain history record | Domain registered in 2009 (operating for over 15 years) | Not verified |
| Background & reputation assessment | Not verified | Not verified |
| External reputation record | Established German file conversion suite with transparent EU corporate and GDPR disclosures. | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics · Google AdSense | Google AdSense · Google Analytics · Fathom Analytics |
| Engineering & privacy assessment | Not verified | Not verified |
| Retention statement | Claims deletion within 24 hours; deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | ||
| Interaction restraint | ||
| Background & reputation | ||
| Engineering & privacy | ||
| Task quality | 60 / 65 Size Reduction: -55.99% (4137.9 KB → 1821 KB, 2.27× ratio) · PSNR: 39.27 dB · SSIM: 0.9984 | 55 / 65 Size Reduction: -65.65% (4137.9 KB → 1421.6 KB, 2.91× ratio) · PSNR: 34.97 dB · SSIM: 0.9956 |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048 × 2048 (original size watermark-free PNG) | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048x2048 (Full-resolution unwatermarked PNG deliverable) |
| Processing speed | 12 / 15 Network-observed server wait: 7.5s (API mode: async_verified; network upload N/A / end-to-end N/A shown for reference only, never penalized) | 13.5 / 15 Network-observed server wait: 4.27s (API mode: sync_json_verified; network upload 3.34s / end-to-end 7.61s shown for reference only, never penalized) |
