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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 | picresize.com | Compressor.io | Switch / compare |
|---|---|---|---|
| Image compression | 95/100 JPEG · Output attached | 86/100 2048 × 2048 · PNG | Active task |
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Browse this task →| Criterion | PicResize Image Compressor Image compression 95/100 Seven-aspect task score Pioneering web photo tool running for over 21 years, exporting 2048×2048 watermark-free compressed JPGs without login; slashes size by 84.4% while sustaining a remarkable 46.3 dB PSNR. Tested export JPEG · Output attached Historical test · 2026-11-03 | Compressor.io Image compression 86/100 Seven-aspect task score Free size and Pro feature limits are disclosed upfront; login-free export retains full-size PNG with good quality, alongside banner ads. Tested export 2048 × 2048 · PNG Historical test · 2026-10-18 |
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| Pricing & rules | ||
| Pricing plans | PicResize Regular free tier and Pro annual/lifetime plans · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Regular Free2026-11-01 ↗ Free Free Free Unlimited batch resizing, compression, and basic editing Batch resizing, file compression, cropping, and effects；Ad-supported, no AI enlarger；Free forever, no renewal；Perpetual access Pro Annual2026-11-01 ↗ — USD 60/year Annual Unlimited full access with zero ads AI lossless upscaling, batch crop, text/watermark, HEIC support, ad-free；Billed annually；Annual automatic renewal；1 year validity Pro Lifetime2026-11-01 ↗ USD 75 · one-time payment Usage / one-time Usage / one-time Lifetime unlimited full access with zero ads AI lossless upscaling, batch crop, text/watermark, HEIC support, lifetime ad-free；Single-account lifetime license；One-time payment, no renewal；Lifetime perpetual validity 3 plan / billing-period records, all listed; — means that period is not recorded. Regular version is free forever with ads; Pro version offers $60/year or $75 one-time lifetime payment for AI enlarging and ad-free experience. Cancellation, sources & verification recordCancellation and refund terms unverified PicResize Pro Official Pricing ↗ · 2026-11-01 Capture 1 ↗ | Compressor.io web plans (Free / Web Compressor Pro); USD · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-21 ↗ Free Free Free Free without login; max 10 MB per file, up to 50 compressions/day (supports JPEG/PNG/SVG/GIF/WEBP lossy and lossless modes). Web Compressor Pro2026-10-21 ↗ — USD 50/year Annual USD 50/year (1 user); max 20 MB per file, unlimited compressions, custom compression quality, image resizing, auto-rename, and no ads. Annual subscription; cancel anytime in the Account dashboard 2 plan / billing-period records, all listed; — means that period is not recorded. The official pricing page currently offers Free (max 10 MB per file, up to 50 lossy/lossless compressions per day) and Web Compressor Pro annual subscription (USD 50/year, max 20 MB per file, unlimited compressions, custom quality, image resizing, auto-rename, and no ads). Cancellation, sources & verification recordCancel anytime in the Account dashboard; official FAQ states a 7-day full refund with no questions asked (credit card refunds take 3–5 working days). Compressor.io official pricing and features comparison page ↗ · 2026-10-21 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free and unlimited usage with 20-minute temporary direct download link | Free up to 10 MB per file with both Lossy and Lossless modes; Custom quality and image resizing require Pro |
| Cancellation & refunds | Not verified | Cancel anytime in the Account dashboard; official FAQ states a 7-day full refund with no questions asked (credit card refunds take 3–5 working days). |
| Disclosure of costs & limits | Results page clearly displays before-and-after resolution and file size | Discloses 'Max 10 MB' directly above the Select files button |
| Task quality | ||
| Measured fixture results | File reduction: 84.38% · Output size: 646.3 KB | File reduction: 47.38% · Output size: 2177.3 KB |
| Fixture findings | Compresses 4.14 MB originals down to 646 KB at full 2048px resolution with near-flawless 0.9997 SSIM, delivering crisp edges and zero block artifacts. | Reduced this fixture by about 47% with gradients retained; the recorded free file limit was 10MB. |
| Original historical observation | PicResize exports 2048×2048 compressed JPG without login, reducing size by 84.38% (4.14 MB → 646 KB) while sustaining 46.25 dB PSNR and 0.9997 SSIM. | Compressor.io adopts a conservative high-fidelity strategy in default Lossy mode: compressing our 4,137.9 KB master to 2,177.3 KB (-47.38%, 02_workspace.png) while maintaining 38.39 dB PSNR and 0.9980 SSIM with smooth dark gradients and clear upfront 10 MB limit disclosure. |
| Suitable uses · historical assessment | Users and webmasters needing quick, signup-free image compression with extreme quality retention (PSNR > 46 dB) | Web designers compressing images under 10 MB who want high visual fidelity (PSNR > 38 dB) and easy switching between Lossy and Lossless modes |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | JPEG · Output attached · No watermark in test | 2048 × 2048 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (646.3 KB original JPG) | 2048×2048 full-resolution PNG free direct export (up to 10 MB per file) |
| Watermark observation | Completely watermark-free | Watermark-free |
| Batch & API | Crop, rotate, filters, batch resizing, and multi-format conversion | Supports multi-file drag-and-drop and one-click Download All |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | Not verified | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 2.5s · End-to-end reference: 3.5s | Network-observed server wait: 8.4s · End-to-end reference: 10.5s |
| Date & fixture | 2026-11-03 · 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 | Completely usable without login | No login required (email login for Pro subscribers) |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Displays Google AdSense banners above and below the workspace, but the orange 'Download' and 'Download All' buttons are clean and direct without registration popups (02_workspace.png, 03_download.png). |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Internich LLC | Compressor.io |
| Recorded origin | United States | France / European Independent Tool Team |
| Domain history record | Established in 2005 | 2013–Present (13-year established image optimizer) |
| Background & reputation assessment | Not verified | Well-known online image optimization service operating since 2013 with strong adoption among web designers and developers. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics · Google AdSense | Not verified |
| Engineering & privacy assessment | Not verified | Supports anonymous no-login compression; temporary download links are cleaned up automatically after the session. |
| Retention statement | Claims deletion within 20 minutes; deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 31 / 35 Clearly states 'compress jpg, png, gif, svg, webp. Max 10 MB.' inside the upload zone (01_landing.png); advanced custom resize and rename options are clearly badged 'PRO ONLY' upfront with zero post-upload paywall. | |
| Interaction restraint | 25 / 30 Displays Google AdSense banners above and below the workspace, but the orange 'Download' and 'Download All' buttons are clean and direct without registration popups (02_workspace.png, 03_download.png). | |
| Background & reputation | 18 / 20 Well-known online image optimization service operating since 2013 with strong adoption among web designers and developers. | |
| Engineering & privacy | 14 / 15 Supports anonymous no-login compression; temporary download links are cleaned up automatically after the session. | |
| Task quality | 63 / 65 Size Reduction: -84.38% (4137.9 KB → 646.3 KB, 6.4× ratio) · PSNR: 46.25 dB · SSIM: 0.9997 | 55.5 / 65 Reduces file size by 47.38% (1.90×) while achieving 38.39 dB PSNR and 0.9980 SSIM with high visual fidelity (55.5/65) |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048 × 2048 (646.3 KB original JPG) | 18.5 / 20 Preserves full 2048×2048 resolution and native PNG format with one-click no-login download (18.5/20) |
| Processing speed | 13.5 / 15 Network-observed server wait: 2.5s (API mode: cloud_server_pipeline; network upload 1s / end-to-end 3.5s shown for reference only, never penalized) | 11.5 / 15 Total cloud upload and optimization time ~10.5s (~8.4s pure server processing) (11.5/15) |
