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Test scope & comparison notes
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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 | tools.hellokeyboard.com | playground.com | Switch / compare |
|---|---|---|---|
| Background removal | 89/100 2048 × 2048 · PNG | 83/100 2048 × 2048 · PNG | Active task |
| Image compression | 92/100 JPEG · Output attached | Not tested in topic | Compare in task topic → |
| Image generation | Not tested in topic | 90/100 1600 × 1600 · PNG | Compare in task topic → |
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Browse this task →| Criterion | Hello Keyboard Tools Background removal 89/100 Seven-aspect task score Hello Keyboard Tools Background Remover is a completely free, login-free, ad-free online utility. In our standard 2048×2048 curly hair portrait benchmark, its single-call Cloudflare Images pipeline achieved 99.88% foreground recall with just 0.019% background leakage and an impressive 0.086 mad_band transition error. The service exports the full 2048×2048 transparent PNG without downscaling or watermarks, with a verified server processing time of 2.97 seconds. With transparent terms, zero login walls, and no persistent file retention, it stands out as an exceptional free option for quick background removal. Tested export 2048 × 2048 · PNG Historical test · 2026-11-06 | Playground AI (Background Removal) Background removal 83/100 Seven-aspect task score Playground (Playground AI Inc.) provides 3 login-free full-size background removals. Cloud GPU inference completed in 13.87s, exporting an unwatermarked 2048x2048 transparent PNG (5.0 MB) with 99.99% foreground recall and only 0.24% background residue with zero downscaling. Tested export 2048 × 2048 · PNG Historical test · 2026-11-03 |
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| Pricing & rules | ||
| Pricing plans | Hello Keyboard Tools site-wide free utilities · 2026-11-06 Plan · source date Monthly / one-time Annual bill / period Quota & limits Web Free2026-11-06 ↗ Free Free Free Free use across all utilities without registration; supports up to 20 MB per file depending on the tool 1 plan / billing-period records, all listed; — means that period is not recorded. The official site declares tools are free to use, require no login, no subscription, with files primarily processed locally in the browser. Cancellation, sources & verification recordCompletely free utility suite; no subscription or cancellation required. Hello Keyboard Tools homepage declaration and tool directory ↗ · 2026-11-06 Capture 1 ↗ Hello Keyboard Tools privacy and processing policy ↗ · 2026-11-06 Capture 1 ↗ | Playground web AI image generation and design subscriptions · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Tier2026-11-01 ↗ Free Free Free Up to 10 images every 3 hours; 3 monthly generations across advanced models Access to text-to-image and canvas editing with worldwide royalty-free commercial license；Slower generation during peak hours; waiting period after limits are reached；Permanently free, no renewal；Perpetual access Pro Monthly2026-11-01 ↗ USD 15/month — Monthly Up to 75 images every 3 hours; 150 monthly credits across advanced models Unlimited premium templates, upscaling and background removal included, up to 2K (2048x2048) editing, commercial use；150 monthly credits for advanced models；Auto-renews monthly; cancel anytime Rules [1]Pro Annual2026-11-01 ↗ — USD 144/year Annual Up to 75 images every 3 hours, 150 monthly credits, billed as $144/year ($12/mo equivalent) Full Pro features, upscaling, background removal, and 2K resolution editing；Prepaid annually at $144 Rules [2] [3]Pro Plus Monthly2026-11-01 ↗ USD 45/month — Monthly Unlimited image generations without caps, 1,000 monthly credits across all models Unlimited upscaling and background removal, up to 4K (3840x2160) editing, priority support, and API access；1,000 monthly credits for advanced models；Auto-renews monthly Rules [1]Pro Plus Annual2026-11-01 ↗ — USD 432/year Annual Unlimited generations, 1,000 monthly credits, billed as $432/year ($36/mo equivalent) Full Pro Plus features, 4K super-resolution upscaling, and unlimited background removal；Prepaid annually at $432 Rules [2] [3]5 plan / billing-period records, all listed; — means that period is not recorded. Offers a permanent free tier with commercial rights alongside Pro and Pro Plus subscriptions; annual plans receive a 20% discount with exact annual billed totals explicitly listed. Cancellation, sources & verification recordCancellation and refund terms unverified Playground AI Official Pricing and Plans ↗ · 2026-11-01 Capture 1 ↗ |
| Free & trial allowance on the test date | Not verified | 3 free full-size removals for anonymous guests; free accounts receive 10 generations every 3 hours with commercial use |
| Cancellation & refunds | Completely free utility suite; no subscription or cancellation required. | Not verified |
| Disclosure of costs & limits | Not verified | Upfront on the upload interface with the 'Remove background 3 left' tag |
| Task quality | ||
| Measured fixture results | Edge error MAD: 0.0863 (Lower is better) · Global error SAD(k): 39.716 (Lower is better) · Foreground retention: 99.880% (Higher is better) · Background residue: 0.019% (Lower is better) | Edge error MAD: 0.0953 (Lower is better) · Global error SAD(k): 35.236 (Lower is better) · Foreground retention: 99.990% (Higher is better) · Background residue: 0.239% (Lower is better) |
| Fixture findings | On the standard curly hair portrait anchor (anchor_bgremove_v1), Hello Keyboard Tools delivered a full-resolution 2048×2048 watermark-free transparent PNG. It achieved 99.88% foreground recall with minimal 0.019% background leakage, clean hair boundary matting (mad_band=0.086, SAD(k)=39.7), and zero baked-in checkerboard artifacts. With a verified 2.97s server wait time, deliverable fidelity and performance are exemplary. | On the 2048x2048 anchor_bgremove_v1 fixture, Playground achieved solid metrics: boundary error mad_band=0.0953, global SAD(k)=35.24, foreground recall 99.99%, and background leakage 0.239%, delivering a full-resolution 5.0 MB transparent PNG. |
| Original historical observation | Not verified | On the 2048x2048 anchor_bgremove_v1 fixture, Playground delivered solid results: foreground hair and garment contours remained intact (fg_recall 99.99%) with only 0.239% background leakage, exporting a full 5.0 MB transparent PNG. |
| Suitable uses · historical assessment | Not verified | Designers and e-commerce creators needing login-free 2048px ultra-high-resolution cutouts with high hair and garment fidelity |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · Check watermark record | 2048 × 2048 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (preserving native dimensions, watermark-free transparent PNG) | 2048×2048 (Direct export of 5.0 MB unwatermarked transparent PNG at original resolution) |
| Watermark observation | Not verified | None |
| Batch & API | Not verified | Single-image web processing; canvas studio supports multi-layer editing |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | 2048 × 2048 · PNG | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 2.97s · End-to-end reference: 24.78s | Network-observed server wait: 13.87s · End-to-end reference: 17s |
| Date & fixture | 2026-11-06 · anchor_bgremove_v1 · US-West (California, AS2914) | 2026-11-03 · 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 | Not verified | No login in this test |
| Sign-in methods | Not verified | Google sign-in and email login supported (guests can directly use 3 free removals without signing in) |
| Manual adjustment | Not verified | Result page supports one-click transition to Canvas for erase, expand, and touch-up |
| Interaction observations | Not verified | Delivers full-res PNG without mandatory sign-in or payment barriers; optional 'Edit in Canvas' button allows multi-layer design editing. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Not verified | Playground AI Inc. |
| Recorded origin | Not verified | San Francisco, California, United States |
| Domain history record | Not verified | Founded in 2022 (Founder Suhail Doshi previously co-founded Mixpanel) |
| Background & reputation assessment | Not verified | Playground AI Inc. (San Francisco, CA, founded 2022 by Suhail Doshi), creator of open-source diffusion models with over 13M users. |
| External reputation record | Not verified | Over 13 million creators; acclaimed creator of open-source Playground v2.5 diffusion models. |
| Engineering & privacy | ||
| Processing location | Processing location unconfirmed | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics · Cloudflare Web Analytics | Google Tag Manager · Mixpanel · Stripe |
| Engineering & privacy assessment | Not verified | Uploads original image directly to dedicated cloud GPU cluster via HTTPS with zero silent client-side downscaling. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 35 / 35 Landing page clearly displays a 'Remove background 3 left' counter before upload; test confirms guests download a 2048×2048 watermark-free PNG (5.0 MB) without signing in. | |
| Interaction restraint | 30 / 30 Delivers full-res PNG without mandatory sign-in or payment barriers; optional 'Edit in Canvas' button allows multi-layer design editing. | |
| Background & reputation | 19 / 20 Playground AI Inc. (San Francisco, CA, founded 2022 by Suhail Doshi), creator of open-source diffusion models with over 13M users. | |
| Engineering & privacy | 14 / 15 Uploads original image directly to dedicated cloud GPU cluster via HTTPS with zero silent client-side downscaling. | |
| Task quality | 54.2 / 65 Transition band error mad_band=0.0863 · Global SAD(k)=39.716 · Foreground recall 99.88% / Background leak 0.019% | 51 / 65 Transition band error mad_band=0.0953 · Global SAD(k)=35.236 · Foreground recall 99.99% / Background leak 0.239% |
| Deliverable specifications | 20 / 20 True Alpha channel (8/8); Max deliverable spec: 2048 × 2048 (preserving native dimensions, watermark-free transparent PNG) | 20 / 20 True Alpha channel (8/8); Max deliverable spec: 2048×2048 (Direct export of 5.0 MB unwatermarked transparent PNG at original resolution) |
| Processing speed | 13 / 15 Network-observed server wait: 2.97s (API mode: sync; network upload 17.41s / end-to-end 24.78s shown for reference only, never penalized) | 6 / 15 Network-observed server wait: 13.87s (API mode: sync; network upload 0s / end-to-end 17s shown for reference only, never penalized) |
