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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 | Bigjpg | media.io | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 62/100 2000 × 2000 · PNG | Compare in task topic → |
| Image upscaling | 89/100 2048 × 2048 · PNG | 78/100 1024 × 1024 · PNG | Active task |
| Object removal | Not tested in topic | 71/100 JPEG · Output attached | Compare in task topic → |
| Image generation | Not tested in topic | 75/100 JPEG · Output attached | Compare in task topic → |
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Browse this task →| Criterion | Bigjpg (AI Super-Resolution Image Enlarger) Image upscaling 89/100 Seven-aspect task score Free login-free 4× output offers adjustable denoising and clear upgrade limits; detail is retained well, with about 18.5 seconds of free processing in this run. Tested export 2048 × 2048 · PNG Historical test · 2026-10-17 | Wondershare Media.io AI Image Upscaler Image upscaling 78/100 Seven-aspect task score Signed-in free Wondershare accounts can export a crisp watermark-free 2x PNG within a 5-credit signup allowance (2 credits/run), but guest access is blocked, free credits do not replenish, and cloud queue wait is relatively long. Tested export 1024 × 1024 · PNG Historical test · 2026-10-19 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Bigjpg web and app plans (Free / Basic 2-month / Standard half-year / Pro annual); CNY · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-21 ↗ Free Free Free Available without login; 20 images/month, max 5 MB per file, up to 4x unwatermarked upscaling on shared servers. Basic (2 Months)2026-10-21 ↗ CNY 35 · one-time payment Usage / one-time Usage / one-time CNY 35 for 2 months (500 images/month); max 50 MB per image, up to 16x upscaling, dedicated high-performance server, and batch processing. Valid for 2 months from purchase Standard (6 Months)2026-10-21 ↗ CNY 69/6 months Other period Other period CNY 69 for 6 months (1,000 images/month); max 50 MB per image, up to 16x upscaling, dedicated high-performance server, and batch processing. Pro (1 Year)2026-10-21 ↗ — CNY 138/year Annual CNY 138 for 1 year (2,000 images/month); max 50 MB per image, up to 16x upscaling, dedicated high-performance server, and batch processing. 4 plan / billing-period records, all listed; — means that period is not recorded. The official pricing modal lists Free (20 images/month, max 5 MB, up to 4x upscaling) and three fixed-term tiers: Basic CNY 35 for 2 months (500 images/month), Standard CNY 69 for 6 months (1,000 images/month), and Pro CNY 138 for 1 year (2,000 images/month). All paid tiers unlock up to 16x upscaling, 50 MB upload size, priority high-performance servers, and batch processing via WeChat Pay, Alipay, or Stripe. Cancellation, sources & verification recordPurchased for fixed periods (2 months, 6 months, or 1 year) via WeChat Pay, Alipay, or Stripe under official Terms of Service. Bigjpg official website and pricing table modal ↗ · 2026-10-21 Capture 1 ↗ | Media.io membership plans (Free Trial / Standard / Premium monthly and annual); USD · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Trial2026-10-21 ↗ Free Free Free 5 signup credits for new accounts (image upscaling costs 2 credits/run, allowing 2 free unwatermarked 2x PNG exports); pricing table also lists 3 daily check-in credits and 1 GB cloud storage. Standard Monthly2026-10-21 ↗ USD 10.99/month — Monthly 100 credits/month + 5 daily check-in credits (up to 100 images or 10 videos/month), watermark-free exports, and 20 GB cloud storage. Rules [1] Standard Annual2026-10-21 ↗ — USD 71.88/year Annual Billed annually at USD 71.88/year (USD 5.99/month equivalent); 100 credits/month + 5 daily check-in credits, watermark-free exports, and 20 GB cloud storage. Rules [2] Premium Monthly2026-10-21 ↗ USD 19.99/month — Monthly 400 credits/month + 10 daily check-in credits (up to 400 images or 40 videos/month), Turbo speed, watermark-free exports, 50 GB cloud storage, and 15% off extra credits. Rules [1] Premium Annual2026-10-21 ↗ — USD 119.88/year Annual Billed annually at USD 119.88/year (USD 9.99/month equivalent); 400 credits/month + 10 daily check-in credits, Turbo speed, watermark-free exports, and 50 GB cloud storage. Rules [2] 5 plan / billing-period records, all listed; — means that period is not recorded. The official pricing page lists Free Trial (5 free signup credits in the workspace where upscaling costs 2 credits/run, plus 3 daily check-in credits on the pricing table), Standard (USD 10.99/month or billed annually at USD 71.88/year, displayed as USD 5.99/month, with 100 credits/month + 5 daily check-in credits), and Premium (USD 19.99/month or billed annually at USD 119.88/year, displayed as USD 9.99/month, with 400 credits/month + 10 daily check-in credits and 15% off extra credits). Cancellation, sources & verification recordCancel auto-renewal anytime; the official pricing page states a 7-day money-back guarantee, and uploaded/generated files are automatically deleted within 7 days. Media.io official monthly/annual pricing and comparison table ↗ · 2026-10-21 Capture 1 ↗ · Capture 2 ↗ |
| Free & trial allowance on the test date | Free tier allows 20 images/month up to 3000×3000px / 5MB at 2x or 4x with all 5 denoising levels and zero watermarks | Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Cancellation & refunds | Purchased for fixed periods (2 months, 6 months, or 1 year) via WeChat Pay, Alipay, or Stripe under official Terms of Service. | Cancel auto-renewal anytime; the official pricing page states a 7-day money-back guarantee, and uploaded/generated files are automatically deleted within 7 days. |
| Disclosure of costs & limits | 8x and 16x options are transparently disabled in the settings modal before processing starts | The workspace button displays the 2-credit cost ("Generate 2") and credit balance, though login is required before running |
| Task quality | ||
| Measured fixture results | Tested scale: 4× | Tested scale: 2× |
| Fixture findings | The tested 4× photo configuration produced smooth output with text retained; other settings remain untested. | This 512x512 sample was upscaled 2x to a 1024x1024 lossless PNG with crisp text on the wooden sign and calibration plate. |
| Original historical observation | Configured to Photo + 4x + Low Noise Reduction, Bigjpg exported a clean 2048×2048 PNG scoring PSNR = 28.27 dB and SSIM = 0.9790 with smooth tonal transitions and zero generative hallucinations. | Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Suitable uses · historical assessment | Users wanting a no-login, zero-watermark 4x (2048px) upscaler with 5-level adjustable noise reduction for photos and illustrations | Users with a Wondershare account who occasionally need clean 2x lossless PNG upscaling |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | 1024 × 1024 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (Full 4x Unwatermarked PNG) | [1024, 1024] |
| Watermark observation | None (100% watermark-free) | No watermark on the 1024×1024 native PNG export within free credits |
| Batch & API | Multi-image queue, Windows/Mac desktop apps, and REST API | Single-image upload workflow |
| Recorded free-tier dimensions | 2048 × 2048 | 1024 × 1024 |
| Attached file dimensions | 2048 × 2048 · PNG | 1024 × 1024 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 18.5s · End-to-end reference: 20s | Network-observed server wait: 27.09s · End-to-end reference: 27.75s |
| Date & fixture | 2026-10-17 · anchor_upscale_v1 · US-West (California, AS2914) | 2026-10-19 · anchor_upscale_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 | Account required in this test |
| Sign-in methods | No login required; optional account login for history sync and parallel high-speed queues | Authorized test profile; see dated run record |
| Manual adjustment | Not verified | No manual brush refinement |
| Interaction observations | Zero registration, zero popups, and zero watermarks: once processing completes, a green "Download (274.41 KB)" button directly exports the full 4x (2048×2048) PNG. | Historical rubric scores withdrawn pending review of the new run. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Bigjpg Team | Publicly Listed Multimedia Software Giant AI Flagship (Wondershare, 300624.SZ) |
| Recorded origin | Cross-Platform AI Super-Resolution Team (Launched 2017) | Shenzhen, China / Vancouver, Canada |
| Domain history record | 2017–present (9+ years) | Not verified |
| Background & reputation assessment | Operating continuously since 2017 as one of the best-known Waifu2x / SRCNN deep convolutional super-resolution services across Web, Windows, macOS, iOS, Android, and API. | Historical rubric scores withdrawn pending review of the new run. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| 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 | Sensors Data (analytics.300624.com) · Google Analytics · Facebook Pixel |
| Engineering & privacy assessment | Supports offline queue recovery and one-click "Delete" to immediately purge uploaded/upscaled files from cloud storage. | Historical rubric scores withdrawn pending review of the new run. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 33 / 35 Anonymous guests can upload the 512×512 test image and open the clean configuration modal (Artwork/Photo, 2x/4x free, 5 noise reduction levels: None/Low/Medium/High/Highest), with only 8x/16x grayed out and labeled "Upgrade for 8x/16x" (02_workspace.png, 03_download.png). | 20 / 35 Historical rubric scores withdrawn pending review of the new run. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Interaction restraint | 28.5 / 30 Zero registration, zero popups, and zero watermarks: once processing completes, a green "Download (274.41 KB)" button directly exports the full 4x (2048×2048) PNG. | 18 / 30 Historical rubric scores withdrawn pending review of the new run. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Background & reputation | 18 / 20 Operating continuously since 2017 as one of the best-known Waifu2x / SRCNN deep convolutional super-resolution services across Web, Windows, macOS, iOS, Android, and API. | 18 / 20 Historical rubric scores withdrawn pending review of the new run. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Engineering & privacy | 13 / 15 Supports offline queue recovery and one-click "Delete" to immediately purge uploaded/upscaled files from cloud storage. | 11 / 15 Historical rubric scores withdrawn pending review of the new run. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Task quality | 56.5 / 65 4x Photo mode (Low noise reduction) exported a native 2048×2048 unwatermarked PNG achieving full-frame PSNR = 28.27 dB and SSIM = 0.9790, suppressing JPEG block artifacts while preserving clean structural geometry and color accuracy (56.5/65). | 58 / 65 Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Deliverable specifications | 20 / 20 Free guest tier directly exports full 4x (2048×2048) unwatermarked PNG (20.0/20). | 16 / 20 Native file obtained; see format/dimension inspection. Same authenticated free account: uploaded 512px canonical upscaling anchor, selected default 2x, spent 2 credits, downloaded native PNG. Two free credits remain. Output and GT metrics will be inspected separately. |
| Processing speed | 10.5 / 15 Free cloud GPU 4x Photo super-resolution completed in ~18.5s (10.5/15). | 8.5 / 15 Network-observed server wait was not reliably isolated; speed and aggregate scores remain unknown. |
