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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 | Cutout.pro | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 81/100 2048 × 2048 · PNG | Compare in task topic → |
| Image upscaling | 89/100 2048 × 2048 · PNG | 87/100 750×750 (PNG · 1.46x Free Preview) · Historical description; output not attached | Active task |
| Object removal | Not tested in topic | 73/100 510×510 (No-Login Free PNG); 2048×2048 HD (1 Credit) · Historical description; output not attached | Compare in task topic → |
| Image generation | Not tested in topic | 87/100 1024×1024 (Unwatermarked JPEG, 667KB) · Historical description; output not attached | Compare in task topic → |
| Photo restoration | Not tested in topic | 68/100 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 | Cutout.pro (Photo Enhancer & Upscaler) Image upscaling 87/100 Seven-aspect task score Quality and fidelity modes accompany clear free and paid sizes; free output is only 750px, while full 2× output costs two credits. Tested export 750×750 (PNG · 1.46x Free Preview) · Historical description; output not attached Historical test · 2026-10-16 |
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| 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 ↗ | Web image removal: free, all expanded monthly tiers and packs; API priced separately · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits 2,400 credits2026-10-20 ↗ USD 108/month — Monthly 2,400 credits/month; removal 1 credit/image Rules [1] 5,600 credits2026-10-20 ↗ USD 239/month — Monthly 5,600 credits/month; removal 1 credit/image Rules [1] 10,000 credits2026-10-20 ↗ USD 399/month — Monthly 10,000 credits/month; removal 1 credit/image Rules [1] 15,000 credits2026-10-20 ↗ USD 549/month — Monthly 15,000 credits/month; removal 1 credit/image Rules [1] 25,000 credits2026-10-20 ↗ USD 859/month — Monthly 25,000 credits/month; removal 1 credit/image Rules [1] 50,000 credits2026-10-20 ↗ USD 1,599/month — Monthly 50,000 credits/month; removal 1 credit/image Rules [1] 75,000 credits2026-10-20 ↗ USD 2,299/month — Monthly 75,000 credits/month; removal 1 credit/image Rules [1] 150,000 credits2026-10-20 ↗ USD 4,049/month — Monthly 150,000 credits/month; removal 1 credit/image Rules [1] 250,000 credits2026-10-20 ↗ USD 5,749/month — Monthly 250,000 credits/month; removal 1 credit/image Rules [1] 1,000,000 credits2026-10-20 ↗ USD 20,000/month — Monthly 1,000,000 credits/month; removal 1 credit/image Rules [1] 2,000,000 credits2026-10-20 ↗ USD 34,000/month — Monthly 2,000,000 credits/month; removal 1 credit/image Rules [1] 30 credits2026-10-20 ↗ USD 4.99 · one-time payment Usage / one-time Usage / one-time 30 credits; removal 1 credit/image Rules [2] 300 credits2026-10-20 ↗ USD 39 · one-time payment Usage / one-time Usage / one-time 300 credits; removal 1 credit/image Rules [2] 900 credits2026-10-20 ↗ USD 79 · one-time payment Usage / one-time Usage / one-time 900 credits; removal 1 credit/image Rules [2] 3,000 credits2026-10-20 ↗ USD 199 · one-time payment Usage / one-time Usage / one-time 3,000 credits; removal 1 credit/image Rules [2] 30,000 credits2026-10-20 ↗ USD 1,399 · one-time payment Usage / one-time Usage / one-time 30,000 credits; removal 1 credit/image Rules [2] 5,000,000 credits2026-10-20 ↗ USD 37,500 · one-time payment Usage / one-time Usage / one-time 5,000,000 credits; removal 1 credit/image Rules [2] 25 plan / billing-period records, all listed; — means that period is not recorded. High-volume tiers expanded; removal costs 1 credit/image, other operations differ. Taxes are not stated on the cards. Cancellation, sources & verification recordDowngrade, upgrade or cancel anytime; advertised 14-day money-back guarantee subject to terms. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ |
| 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 | Unlimited free no-login 750px preview downloads; new accounts get 5 free credits, and 1024×1024 HD download costs 2 credits per image |
| Cancellation & refunds | Purchased for fixed periods (2 months, 6 months, or 1 year) via WeChat Pay, Alipay, or Stripe under official Terms of Service. | Downgrade, upgrade or cancel anytime; advertised 14-day money-back guarantee subject to terms. |
| Disclosure of costs & limits | 8x and 16x options are transparently disabled in the settings modal before processing starts | Result view clearly labels 'Free Download (Preview Image 750 x 750, free)' alongside 'Download HD (Full Image 1024 x 1024, 2 credits)' |
| Task quality | ||
| Measured fixture results | Tested scale: 4× | Tested scale: 1.46× |
| Fixture findings | The tested 4× photo configuration produced smooth output with text retained; other settings remain untested. | Texture was retained in this fixture; free output was only 750px, about 1.46× enlargement. |
| 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. | PSNR=27.61dB (#1 highest pixel PSNR overall) · SSIM=0.8955 (#1 highest structural similarity overall); Edge gradient correlation edge_corr=0.6353 (#3 overall, +6.97% over Bicubic); hf_ratio=0.4482 (constrained by the free tier's 750×750 1.46x resolution cap); Calibration plate PSNR=16.01dB (#2 overall): exceptional fidelity with zero hallucinated artifacts on the wood sign or grating. |
| 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 prioritizing top pixel fidelity (highest PSNR/SSIM) who are satisfied with 750px free previews or willing to spend credits for 1024px HD |
| Result & output evidence | No native output obtained; the preview does not establish final export quality. | |
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | 750×750 (PNG · 1.46x Free Preview) · Historical description; output not attached · Check watermark record No native output is attached; check the evidence for specification and watermark claims. |
| Historical specification note · not an official maximum | 2048 × 2048 (Full 4x Unwatermarked PNG) | 750×750 (PNG · 1.46x Free Preview) |
| Watermark observation | None (100% watermark-free) | No watermark |
| Batch & API | Multi-image queue, Windows/Mac desktop apps, and REST API | Offers Windows/Mac desktop batch app and REST API |
| Recorded free-tier dimensions | 2048 × 2048 | Not verified |
| Attached file dimensions | 2048 × 2048 · PNG | Not verified |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 18.5s · End-to-end reference: 20s | Network-observed server wait: 2.65s · End-to-end reference: 3.94s |
| Date & fixture | 2026-10-17 · anchor_upscale_v1 · US-West (California, AS2914) | 2026-10-16 · 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 | No login in this test |
| Sign-in methods | No login required; optional account login for history sync and parallel high-speed queues | No login required for 750×750 preview download; 1024×1024 HD requires login and 2 credits |
| Manual adjustment | Not verified | Not verified |
| 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. | Provides Quality vs Fidelity mode toggles with zero popup ads. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Bigjpg Team | LibAI Tech Co., Ltd. (Cutout.pro) |
| Recorded origin | Cross-Platform AI Super-Resolution Team (Launched 2017) | Hong Kong |
| Domain history record | 2017–present (9+ years) | 2018–Present |
| 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. | Core visual AI product by LibAI Tech Co., Ltd. |
| 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 | Supports offline queue recovery and one-click "Delete" to immediately purge uploaded/upscaled files from cloud storage. | Fast 2.65s pure server processing and an explicit 60-minute automatic file deletion notice right below the download buttons. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Claims deletion within 60 minutes; deletion not independently verified |
| 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). | 28 / 35 Result panel (03_download.png) clearly labels both tiers: 'Free Download · Preview Image 750 x 750, free' and 'Download HD · Full Image 1024 x 1024, 2 credits'. |
| 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. | |
| 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. | |
| Engineering & privacy | 13 / 15 Supports offline queue recovery and one-click "Delete" to immediately purge uploaded/upscaled files from cloud storage. | 15 / 15 Fast 2.65s pure server processing and an explicit 60-minute automatic file deletion notice right below the download buttons. |
| 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 PSNR vs 2048px GT: 27.61 dB · SSIM: 0.8955 · Edge Gradient Correlation: 0.6353 · High-Freq Sharpness Ratio: 0.4482 · Calibration Plate PSNR: 16.01 dB |
| Deliverable specifications | 20 / 20 Free guest tier directly exports full 4x (2048×2048) unwatermarked PNG (20.0/20). | 14 / 20 Clean unwatermarked export (8/8); Free scale factor: 1.46x (750×750 (PNG · 1.46x Free Preview)) |
| Processing speed | 10.5 / 15 Free cloud GPU 4x Photo super-resolution completed in ~18.5s (10.5/15). | 15 / 15 Network-observed server wait: 2.65s (API mode: async_poll; end-to-end 3.94s shown for reference only, never penalized) |
