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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 | MagicEraser.org | Bigjpg | Switch / compare |
|---|---|---|---|
| Background removal | 85/100 2048 × 2048 · PNG | Not tested in topic | Compare in task topic → |
| Image upscaling | 89/100 JPEG · Output attached | 89/100 2048 × 2048 · PNG | Active task |
| Object removal | 89/100 2000×2000 (Near-Native Unwatermarked JPG) · Historical description; output not attached | Not tested in topic | Compare in task topic → |
| Image generation | 82/100 JPEG · Output attached | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | MagicEraser.org (AI Image Enhancer & Upscaler) Image upscaling 89/100 Seven-aspect task score Standard resizing and AI enhancement are clearly distinguished, with login-free trial-credit exports; this output was 1888px and tiny text was partly redrawn. Tested export JPEG · Output attached Historical test · 2026-10-16 | 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 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Web subscriptions, displayed top-ups and enterprise quote; USD · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits 200 Credit2026-10-20 ↗ USD 14.99 · one-time payment Usage / one-time Usage / one-time 200 general credits Rules [3] 500 Credit2026-10-20 ↗ USD 30 · one-time payment Usage / one-time Usage / one-time 500 general credits Rules [3] 2000 Credit2026-10-20 ↗ USD 70 · one-time payment Usage / one-time Usage / one-time 2000 general credits Rules [3] 5000 Credit2026-10-20 ↗ USD 90 · one-time payment Usage / one-time Usage / one-time 5000 general credits Rules [3] 10,000 credit pack2026-10-20 ↗ USD 120 · one-time payment Usage / one-time Usage / one-time 10,000 cross-tool credits Rules [4] 30,000 credit pack2026-10-20 ↗ USD 330 · one-time payment Usage / one-time Usage / one-time 30,000 cross-tool credits Rules [4] 11 plan / billing-period records, all listed; — means that period is not recorded. Verified 10,000 credits for $120 and 30,000 for $330, both one-time payments with non-expiring credits. The pricing page quantifies upscaling, restoration, editing and video use but not background removal; general credits are not asserted removal counts. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancel anytime in account dashboard Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ Large top-up package selections ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ | 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 ↗ |
| Free & trial allowance on the test date | Guests receive 10 Free Credits without login; Enhance 2K costs 2 Credits per run (5 free high-res upscales) | Free tier allows 20 images/month up to 3000×3000px / 5MB at 2x or 4x with all 5 denoising levels and zero watermarks |
| Cancellation & refunds | Cancel anytime in account dashboard | Purchased for fixed periods (2 months, 6 months, or 1 year) via WeChat Pay, Alipay, or Stripe under official Terms of Service. |
| Disclosure of costs & limits | Clearly shows 2 Credits cost and target resolution tier before clicking Apply Changes | 8x and 16x options are transparently disabled in the settings modal before processing starts |
| Task quality | ||
| Measured fixture results | Tested scale: 3.69× | Tested scale: 4× |
| Fixture findings | Main lettering and detail were clear; tiny letters showed some redrawing. | The tested 4× photo configuration produced smooth output with text retained; other settings remain untested. |
| Original historical observation | Achieves 27.34 dB full-image PSNR, 0.8878 SSIM, and a high 0.7543 edge gradient correlation (hf_ratio=0.615); carved wood grain on "REALTEST 2026" and brass knuckles are crisp, while the tiny 3rd-row micro-text on the calibration plate shows mild generative stroke reshaping. | 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. |
| Suitable uses · historical assessment | Users seeking sharp wood/metal texture enhancement (edge_corr=0.7543) with no-login near-2K unwatermarked exports | Users wanting a no-login, zero-watermark 4x (2048px) upscaler with 5-level adjustable noise reduction for photos and illustrations |
| 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 | 1888×1888 (Guest no-login 2K tier exports 3.69x unwatermarked JPG; supports up to 8K/16K) | 2048 × 2048 (Full 4x Unwatermarked PNG) |
| Watermark observation | No watermark | None (100% watermark-free) |
| Batch & API | Available via Batch Image Editor | Multi-image queue, Windows/Mac desktop apps, and REST API |
| Recorded free-tier dimensions | 1888 × 1888 | 2048 × 2048 |
| Attached file dimensions | Not verified | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 6.8s · End-to-end reference: 8.19s | Network-observed server wait: 18.5s · End-to-end reference: 20s |
| Date & fixture | 2026-10-16 · anchor_upscale_v1 · US-West (California, AS2914) | 2026-10-17 · 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 (uses the shared 10 Guest Free Credits pool) | No login required; optional account login for history sync and parallel high-speed queues |
| Manual adjustment | Manual erase / adjustment recorded in the historical flow | Not verified |
| Interaction observations | Provides a clean 512px -> 1888px before/after comparison slider and direct browser download with zero login walls. | 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 | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | MagicEraser.org / ImgUpscaler.ai Matrix | Bigjpg Team |
| Recorded origin | US / APAC Independent AI Team | Cross-Platform AI Super-Resolution Team (Launched 2017) |
| Domain history record | 2023–2026 | 2017–present (9+ years) |
| Background & reputation assessment | Powered directly by its sibling ImgUpscaler.ai v2 super-resolution pipeline (api-v2.imgupscaler.ai / image_enhance_v1). | 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. |
| External reputation record | Rare transparency in explicitly warning users that standard upscaling does not add detail and pointing them to the AI Enhance tool. | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics · Aliyun SLS Web Tracking | Not verified |
| Engineering & privacy assessment | Completes 3.69x cloud super-resolution in 6.80s over HTTPS without disguising basic interpolation as AI upscaling. | Supports offline queue recovery and one-click "Delete" to immediately purge uploaded/upscaled files from cloud storage. |
| Retention statement | Claims deletion within 4 hours; deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 33 / 35 Exemplary upfront honesty: clicking the "Upscaler" tab displays a prominent notice stating "This feature performs standard upscaling and does not enhance image details. If you want to enhance image quality, please use our Enhance tool", guiding users to the true AI super-resolution Enhance module (2 Free Credits, no login required, 1888×1888 unwatermarked JPG export). | 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). |
| Interaction restraint | 28 / 30 Provides a clean 512px -> 1888px before/after comparison slider and direct browser download with zero login walls. | 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 Powered directly by its sibling ImgUpscaler.ai v2 super-resolution pipeline (api-v2.imgupscaler.ai / image_enhance_v1). | 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 Completes 3.69x cloud super-resolution in 6.80s over HTTPS without disguising basic interpolation as AI upscaling. | 13 / 15 Supports offline queue recovery and one-click "Delete" to immediately purge uploaded/upscaled files from cloud storage. |
| Task quality | 57.2 / 65 PSNR vs 2048px GT: 27.34 dB · SSIM: 0.8878 · Edge Gradient Correlation: 0.7543 · High-Freq Sharpness Ratio: 0.615 · Calibration Plate PSNR: 15.94 dB | 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). |
| Deliverable specifications | 18.4 / 20 Clean unwatermarked export (8/8); Free scale factor: 3.69x (1888×1888 (Guest no-login 2K tier exports 3.69x unwatermarked JPG; supports up to 8K/16K)) | 20 / 20 Free guest tier directly exports full 4x (2048×2048) unwatermarked PNG (20.0/20). |
| Processing speed | 12 / 15 Network-observed server wait: 6.8s (API mode: async_polling; end-to-end 8.19s shown for reference only, never penalized) | 10.5 / 15 Free cloud GPU 4x Photo super-resolution completed in ~18.5s (10.5/15). |
