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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 | Fotor | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 74/100 2048 × 2048 · PNG | Compare in task topic → |
| Image compression | Not tested in topic | 49/100 2048 × 2048 · PNG | Compare in task topic → |
| Image upscaling | 89/100 2048 × 2048 · PNG | 81/100 JPEG · Output attached | Active task |
| Image generation | Not tested in topic | 83/100 880×1168 (~1.03MP unwatermarked PNG, 1.13MB) · Historical description; output not 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 | Fotor (AI Image Upscaler) Image upscaling 81/100 Seven-aspect task score Upscales inline on the landing page (6.81s server wait), exporting a free 1024×1024 (2x) unwatermarked JPEG while reserving 2048×2048 (4x HD) for paid members. Tested export JPEG · Output attached Historical test · 2026-10-21 |
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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 personal free, all Pro/Pro+/Max monthly/annual tiers, credit subscriptions and 10 retail packs; excludes headshots/API · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Basic2026-10-20 ↗ Free Free Free Official comparison lists Free forever; removal limits need separate verification Pro2026-10-20 ↗ USD 10.99/month USD 47.99/year Annual 100 general credits/month; batch background-removal tool included Monthly 100 general credits/month Pro+2026-10-20 ↗ USD 23.99/month USD 69.99/year Annual 300 general credits/month; batch background-removal tool included Monthly 300 general credits/month Max 1k2026-10-20 ↗ USD 49.99/month USD 167.92/year Annual 1,000 general credits/month; batch background-removal tool included Monthly 1,000 general credits/month Credit subscription 2002026-10-20 ↗ USD 13.99/month USD 69.99/year Annual 200 credits/month, billed annually Rules [1] Monthly 200 general credits/month Rules [3] Credit subscription 5002026-10-20 ↗ USD 25.99/month USD 143.99/year Annual 500 credits/month, billed annually Rules [1] Monthly 500 general credits/month Rules [3] Credit subscription 10002026-10-20 ↗ USD 49.99/month USD 259.99/year Annual 1000 credits/month, billed annually Rules [1] Monthly 1,000 general credits/month Rules [3] Credit subscription 20002026-10-20 ↗ USD 99.99/month USD 459.99/year Annual 2000 credits/month, billed annually Rules [1] Monthly 2,000 general credits/month Rules [3] Credit subscription 50002026-10-20 ↗ USD 239.99/month USD 1,099.99/year Annual 5000 credits/month, billed annually Rules [1] Monthly 5,000 general credits/month Rules [3] Credit subscription 100002026-10-20 ↗ USD 459.99/month USD 1,999.99/year Annual 10000 credits/month, billed annually Rules [1] Monthly 10,000 general credits/month Rules [3] Max 2k2026-10-20 ↗ USD 99.99/month USD 335.92/year Monthly 2,000 general credits/month Annual 2,000 general credits/month Rules [2] Max 5k2026-10-20 ↗ USD 129.99/month USD 755.92/year Monthly 5,000 general credits/month Annual 5,000 general credits/month Rules [2] Max 10k2026-10-20 ↗ USD 229.99/month USD 1,427.92/year Monthly 10,000 general credits/month Annual 10,000 general credits/month Rules [2] Max 20k2026-10-20 ↗ USD 479.99/month USD 2,687.92/year Monthly 20,000 general credits/month Annual 20,000 general credits/month Rules [2] Max 50k2026-10-20 ↗ USD 1,149.99/month USD 6,719.92/year Monthly 50,000 general credits/month Annual 50,000 general credits/month Rules [2] Retail 1002026-10-20 ↗ USD 19.99 · one-time payment Usage / one-time Usage / one-time 100 general credits Rules [4] Retail 2002026-10-20 ↗ USD 23.99 · one-time payment Usage / one-time Usage / one-time 200 general credits Rules [4] Retail 5002026-10-20 ↗ USD 49.99 · one-time payment Usage / one-time Usage / one-time 500 general credits Rules [4] Retail 10002026-10-20 ↗ USD 79.99 · one-time payment Usage / one-time Usage / one-time 1,000 general credits Rules [4] Retail 20002026-10-20 ↗ USD 119.99 · one-time payment Usage / one-time Usage / one-time 2,000 general credits Rules [4] Retail 50002026-10-20 ↗ USD 259.99 · one-time payment Usage / one-time Usage / one-time 5,000 general credits Rules [4] Retail 100002026-10-20 ↗ USD 499.99 · one-time payment Usage / one-time Usage / one-time 10,000 general credits Rules [4] Retail 200002026-10-20 ↗ USD 899.99 · one-time payment Usage / one-time Usage / one-time 20,000 general credits Rules [4] Retail 300002026-10-20 ↗ USD 1,299.99 · one-time payment Usage / one-time Usage / one-time 30,000 general credits Rules [4] Retail 500002026-10-20 ↗ USD 1,999.99 · one-time payment Usage / one-time Usage / one-time 50,000 general credits Rules [4] 39 plan / billing-period records, all listed; — means that period is not recorded. All six Max tiers, monthly credit subscriptions and ten retail packs verified; retail packs require paid membership. Annual amounts preserve the observed promotion. Price cards do not specify renewal quotes, free removal counts, removal conversion or retail expiry; these remain unconfirmed. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancel auto-renewal anytime in account settings Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ All subscription tiers and retail credits ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ · Capture 3 ↗ · Capture 4 ↗ · Capture 5 ↗ · Capture 6 ↗ · Capture 7 ↗ · Capture 8 ↗ · Capture 9 ↗ · Capture 10 ↗ · Capture 11 ↗ · Capture 12 ↗ · Capture 13 ↗ · Capture 14 ↗ |
| 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 | Free tier exports 'Low-res image' at 1024×1024 (2x) JPEG; 'HD image' at 2048×2048 (4x) requires paid membership. |
| 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 in account settings |
| Disclosure of costs & limits | 8x and 16x options are transparently disabled in the settings modal before processing starts | Not verified |
| 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. | 2x free export (1024×1024 JPEG) reaches PSNR 26.97 dB and SSIM 0.8870; brass robot and wooden sign lettering are crisp, while fine calibration lines reflect the 2x ceiling. |
| 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. | 2x free export (1024×1024 JPEG) achieves PSNR 26.97 dB and SSIM 0.8870 against the 2048px GT; brass robot and 'REALTEST 2026' sign are sharp, while 4x HD (2048×2048) is reserved for paid members. |
| Suitable uses · historical assessment | Users wanting a no-login, zero-watermark 4x (2048px) upscaler with 5-level adjustable noise reduction for photos and illustrations | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | JPEG · Output attached · Check watermark record |
| Historical specification note · not an official maximum | 2048 × 2048 (Full 4x Unwatermarked PNG) | Not verified |
| Watermark observation | None (100% watermark-free) | Not verified |
| Batch & API | Multi-image queue, Windows/Mac desktop apps, and REST API | Not verified |
| Recorded free-tier dimensions | 2048 × 2048 | 1024 × 1024 |
| 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: 6.81s · End-to-end reference: 6.82s |
| Date & fixture | 2026-10-17 · anchor_upscale_v1 · US-West (California, AS2914) | 2026-10-21 · 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 | Not verified |
| Sign-in methods | No login required; optional account login for history sync and parallel high-speed queues | Supports Google / Facebook / Apple / Email account sign-in on /image-upscaler/ |
| 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. | Upload, super-resolution preview, and 2x Low-res JPEG export all complete directly inside the right-hand card on /image-upscaler/ without redirecting into a heavy canvas editor or blocking download with a forced trial wall. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Bigjpg Team | Everimaging Ltd. (Fotor) |
| Recorded origin | Cross-Platform AI Super-Resolution Team (Launched 2017) | Not verified |
| 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. | Operated by Everimaging Ltd. (Fotor, founded 2012), an established cross-platform online visual and design SaaS. |
| 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. | Uploads directly to a temporary AWS S3 bucket (img-fotor.s3.us-west-2.amazonaws.com/temp/super/) and polls /api/image/sr/task/v3 -> /api/image/sr/result/v2 (network-observed server wait 6.81s). |
| 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). | 24 / 35 Hero copy claims 'Enlarge images up to 4x and increase resolution to HD or 4K'. In same-run testing with the 512×512 anchor, clicking Download reveals a free 'Low-res image (1024px × 1024px)' option (2x JPEG) alongside a diamond-gated 'HD image (2048px × 2048px)' option requiring paid membership. |
| 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. | 26 / 30 Upload, super-resolution preview, and 2x Low-res JPEG export all complete directly inside the right-hand card on /image-upscaler/ without redirecting into a heavy canvas editor or blocking download with a forced trial wall. |
| 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 Operated by Everimaging Ltd. (Fotor, founded 2012), an established cross-platform online visual and design SaaS. |
| Engineering & privacy | 13 / 15 Supports offline queue recovery and one-click "Delete" to immediately purge uploaded/upscaled files from cloud storage. | 12 / 15 Uploads directly to a temporary AWS S3 bucket (img-fotor.s3.us-west-2.amazonaws.com/temp/super/) and polls /api/image/sr/task/v3 -> /api/image/sr/result/v2 (network-observed server wait 6.81s). |
| 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). | 55 / 65 2x free upscale (512×512 -> 1024×1024 JPEG) evaluated against 2048×2048 ground truth: full-image PSNR = 26.97 dB, SSIM = 0.8870, edge correlation = 0.6087, high-frequency ratio = 0.4406, calibration plate PSNR = 15.51 dB. Main subject textures and wooden sign lettering are clean; fine calibration plate lines are limited by the 2x free ceiling. |
| Deliverable specifications | 20 / 20 Free guest tier directly exports full 4x (2048×2048) unwatermarked PNG (20.0/20). | 15 / 20 Free 'Low-res image' exports a clean 1024×1024 (2x) unwatermarked JPEG (83,082 bytes); 4x HD (2048×2048) is paywalled (-3) and export format is lossy JPEG (-2). |
| Processing speed | 10.5 / 15 Free cloud GPU 4x Photo super-resolution completed in ~18.5s (10.5/15). | 12 / 15 2026-10-21 same-run CDP network timing: 6.81s server wait from POST /api/image/sr/task/v3 to terminal GET /api/image/sr/result/v2 poll (6.82s end-to-end, async_verified). |
