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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 | Img2Go | seaart.ai | Switch / compare |
|---|---|---|---|
| Background removal | 88/100 2048 × 2048 (4.2 MB full-resolution RGBA PNG) · Historical description; output not attached | 84/100 2048 × 2048 · PNG | Active task |
| Image compression | 80/100 2048 × 2048 · PNG | Not tested in topic | Compare in task topic → |
| Image upscaling | 84/100 1024 × 1024 (2.0x default PNG, 1.1 MB) / custom dimensions · Historical description; output not attached | 79/100 1024 × 1024 · PNG | |
| Object removal | Not tested in topic | 86/100 2048 × 2048 · PNG | Compare in task topic → |
| Image generation | 87/100 1024 × 1024 · PNG | 83/100 WEBP · Output attached | |
| Photo restoration | 89/100 1024 × 1024 · PNG | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | Img2Go AI Background Remover Background removal 88/100 Seven-aspect task score Free full-size output without login offers model and mask controls; subject retention is good, with about 11.5 seconds of cloud processing in this run. Tested export 2048 × 2048 (4.2 MB full-resolution RGBA PNG) · Historical description; output not attached Historical test · 2026-10-19 | SeaArt Background removal 84/100 Seven-aspect task score SeaArt Background Remover achieves top-tier hair strand separation with 99.84% foreground recall on the 2048x2048 benchmark anchor, providing ~150 daily free Stamina and pristine 2048px watermark-free transparent PNGs with excellent commercial honesty despite requiring login and taking ~15.5s. Tested export 2048 × 2048 · PNG Historical test · 2026-11-04 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Website free, monthly, annual and education plans; USD, Business billed per person · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Starter2026-10-20 ↗ USD 8/month USD 77/year Monthly Baseline 1× AI usage; batch processing Annual Baseline 1× AI usage; 64GB files and batch processing Business2026-10-20 ↗ USD 89/month USD 854/year Monthly Per-user billing; 20× Starter AI usage Annual Per-user billing; 20× Starter AI usage Education program2026-10-20 ↗ Free Free Free Paid apps free after student/teacher eligibility verification; non-commercial educational use only 8 plan / billing-period records, all listed; — means that period is not recorded. Actual annual amounts are $77/$278/$854. Absolute removal quotas and per-image credit usage are unpublished; 1×/5×/20× cannot be converted into image counts. Cancellation, sources & verification recordPage advertises a 14-day money-back guarantee and cancellation anytime; eligibility is subject to terms. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ | SeaArt.ai Stamina and VIP subscription model · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Tier (Daily Stamina)2026-11-01 ↗ Free Free Free ~150 daily Stamina refreshed every 24 hours Base image generation, upscaling, background removal, and community models；Unused stamina resets daily; standard queue; excludes custom LoRA training；Refreshes daily, no renewal；Perpetual access Standard VIP2026-11-01 ↗ Monthly price not verified — Monthly Higher daily Stamina allowance, bonus coins, and fast-track queues Fast-track generation, concurrent tasks, and commercial licensing；Pricing visible inside account store (typically approx $9.99/mo)；Auto-renews monthly；Active during billing month 2 plan / billing-period records, all listed; — means that period is not recorded. Uses daily regenerating Stamina (~150/day free) plus persistent Coins; paid plans include Standard VIP (~$9.99/mo), Pro (~$29.99/mo), and SVIP tiers detailed within account portals. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancellation and refund terms unverified SeaArt AI Official Homepage and Community ↗ · 2026-11-01 Capture 1 ↗ |
| Free & trial allowance on the test date | Free visitors can directly upload and export full-resolution 2048×2048 transparent PNGs | ~150 daily Stamina refreshed every 24h (~3.6-4 Stamina per removal, allowing ~35-40 free removals daily) |
| Cancellation & refunds | Page advertises a 14-day money-back guarantee and cancellation anytime; eligibility is subject to terms. | Not verified |
| Disclosure of costs & limits | Openly exposes dedicated Humans / Clothes segmentation models and Alpha Matting toggles in the workspace | Estimated cost clearly shown before triggering removal (4 Stamina, discounted to 3.6) |
| Task quality | ||
| Measured fixture results | Edge error MAD: 0.137 (Lower is better) · Global error SAD(k): 62.545 (Lower is better) · Foreground retention: 99.890% (Higher is better) · Background residue: 0.802% (Lower is better) | Edge error MAD: 0.0941 (Lower is better) · Global error SAD(k): 42.688 (Lower is better) · Foreground retention: 99.840% (Higher is better) · Background residue: 0.020% (Lower is better) |
| Fixture findings | This test offered full-size export without login and a mask option; complex-scene coverage remains limited. | Delivers 99.84% foreground recall and 0.02% background leak at 2048x2048, with natural boundary transitions, authentic Alpha channel, and zero watermarks. |
| Original historical observation | Img2Go exports a full 2048×2048 transparent PNG (4.2 MB) without login, achieving 99.89% foreground recall and 0.80% background leak while uniquely offering free 'Return Mask' and 'Alpha Matting' controls in the browser. | SeaArt demonstrated top-tier precision on anchor_bgremove_v1, preserving delicate curly hair strands (99.84% recall) with near-zero background residue (0.02% leak) at 2048x2048. |
| Suitable uses · historical assessment | Designers and developers needing free, no-login 2048×2048 unwatermarked transparent PNGs or direct binary mask exports (Return Mask) | Designers and creators requiring ultra-high hair strand retention and full 2048px clean PNGs |
| Result & output evidence | No native output obtained; the preview does not establish final export quality. | |
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 (4.2 MB full-resolution RGBA PNG) · Historical description; output not attached · Check watermark record No native output is attached; check the evidence for specification and watermark claims. | 2048 × 2048 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048×2048 (Free no-login 4.2 MB native RGBA PNG export) | 2048 × 2048 (100% original size transparent PNG, no watermarks) |
| Watermark observation | Watermark-Free | No watermark |
| Batch & API | Supports multi-image uploads, Alpha Matting threshold tuning, and instant Delete Task | Single-image processing and gallery history management |
| Recorded free-tier dimensions | Not verified | 2048 × 2048 |
| Attached file dimensions | Not verified | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 11.5s · End-to-end reference: 13s | Network-observed server wait: 15.49s · End-to-end reference: 15.49s |
| Date & fixture | 2026-10-19 · anchor_bgremove_v1 · US-West (California, AS2914) | 2026-11-04 · anchor_bgremove_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 | Account required (Google SSO and email registration supported) |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Provides rich pro controls in the workspace—Model (Generic 1 / Generic 2 / Humans / Clothes) and Function (Remove Background / Return Mask / Alpha Matting)—and presents a direct Download button with zero login popups. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | QaamGo Web GmbH (Radolfzell, Germany) | STAR CLOUD PTE. LTD. |
| Recorded origin | Radolfzell, Germany | Not verified |
| Domain history record | 2016–Present | Not verified |
| Background & reputation assessment | Developed and operated by QaamGo Web GmbH in Radolfzell, Germany (the same parent company behind PDF2Go and Online-Convert). | Not verified |
| 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 | Google Tag Manager · Cloudflare · Stripe |
| Engineering & privacy assessment | Strictly follows EU GDPR rules, providing an immediate Delete Task button on the result page and automatic deletion within 24 hours. | Not verified |
| Retention statement | Claims deletion within 24 hours; deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 33 / 35 Prominently promises '100% free · No signup required · AI-powered' on the landing page (01_landing.png); in our anonymous test with the 2048×2048 (6.1 MB) curly-hair portrait anchor, it exported the full 2048×2048 (4.2 MB) transparent PNG without login, downscaling, or watermark traps (02_result.png, 03_download.png). | |
| Interaction restraint | 27 / 30 Provides rich pro controls in the workspace—Model (Generic 1 / Generic 2 / Humans / Clothes) and Function (Remove Background / Return Mask / Alpha Matting)—and presents a direct Download button with zero login popups. | |
| Background & reputation | 19 / 20 Developed and operated by QaamGo Web GmbH in Radolfzell, Germany (the same parent company behind PDF2Go and Online-Convert). | |
| Engineering & privacy | 14 / 15 Strictly follows EU GDPR rules, providing an immediate Delete Task button on the result page and automatic deletion within 24 hours. | |
| Task quality | 54.8 / 65 2048×2048 full-resolution Alpha Ground-Truth verification: achieves 99.89% foreground recall (fg_recall = 0.9989) with only 0.80% background leak (bg_leak = 0.00802), trimap band error mad_band = 0.1370, and global SAD = 62.55k (54.8/65) | 58 / 65 Transition band error mad_band=0.0941 · Global SAD(k)=42.688 · Foreground recall 99.84% / Background leak 0.020% |
| Deliverable specifications | 20 / 20 Preserves 100% of the original 2048×2048 pixel grid and 8-bit RGBA alpha transparency without login or pre-downscaling (20.0/20) | 20 / 20 True Alpha channel (8/8); Max deliverable spec: 2048 × 2048 (100% original size transparent PNG, no watermarks) |
| Processing speed | 11 / 15 Processes the 6.1 MB portrait anchor in ~11.5s on its cloud segmentation pipeline (11.0/15) | 8 / 15 Network-observed server wait: 15.49s (API mode: async_verified; network upload 0s / end-to-end 15.49s shown for reference only, never penalized) |
