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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 | tools.hellokeyboard.com | Slazzer | Switch / compare |
|---|---|---|---|
| Background removal | 89/100 2048 × 2048 · PNG | 82/100 500 × 500 · PNG | Active task |
| Image compression | 92/100 JPEG · Output attached | Not tested in topic | 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 | Slazzer Background removal 82/100 Seven-aspect task score Login-free preview downloads are smooth with good hair handling; free output is 500px and HD costs credits, disclosed in the download menu. Tested export 500 × 500 · PNG Historical test · 2026-10-16 |
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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 ↗ | Public web free plan, 8 subscriptions and 8 top-up packs; dollar pricing · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits 100-credit subscription2026-10-20 ↗ USD 11/month — Monthly 100 credits; 1 credit per HD removal Rules [1] [2] 300-credit subscription2026-10-20 ↗ USD 36/month — Monthly 300 credits; 1 credit per HD removal Rules [1] [2] 1000-credit subscription2026-10-20 ↗ USD 94/month — Monthly 1000 credits; 1 credit per HD removal Rules [1] [2] 1800-credit subscription2026-10-20 ↗ USD 155/month — Monthly 1800 credits; 1 credit per HD removal Rules [1] [2] 5000-credit subscription2026-10-20 ↗ USD 344/month — Monthly 5000 credits; 1 credit per HD removal Rules [1] [2] 10000-credit subscription2026-10-20 ↗ USD 518/month — Monthly 10000 credits; 1 credit per HD removal Rules [1] [2] 20000-credit subscription2026-10-20 ↗ USD 862/month — Monthly 20000 credits; 1 credit per HD removal Rules [1] [2] 50000-credit subscription2026-10-20 ↗ USD 1,725/month — Monthly 50000 credits; 1 credit per HD removal Rules [1] [2] 10-credit top-up2026-10-20 ↗ USD 6 · one-time payment Usage / one-time Usage / one-time 10 credits; 1 credit per HD removal Rules [3] [4] 50-credit top-up2026-10-20 ↗ USD 18 · one-time payment Usage / one-time Usage / one-time 50 credits; 1 credit per HD removal Rules [3] [4] 200-credit top-up2026-10-20 ↗ USD 65 · one-time payment Usage / one-time Usage / one-time 200 credits; 1 credit per HD removal Rules [3] [4] 500-credit top-up2026-10-20 ↗ USD 138 · one-time payment Usage / one-time Usage / one-time 500 credits; 1 credit per HD removal Rules [3] [4] 2000-credit top-up2026-10-20 ↗ USD 432 · one-time payment Usage / one-time Usage / one-time 2000 credits; 1 credit per HD removal Rules [3] [4] 4000-credit top-up2026-10-20 ↗ USD 648 · one-time payment Usage / one-time Usage / one-time 4000 credits; 1 credit per HD removal Rules [3] [4] 8000-credit top-up2026-10-20 ↗ USD 1,038 · one-time payment Usage / one-time Usage / one-time 8000 credits; 1 credit per HD removal Rules [3] [4] 12000-credit top-up2026-10-20 ↗ USD 1,296 · one-time payment Usage / one-time Usage / one-time 12000 credits; 1 credit per HD removal Rules [3] [4] 17 plan / billing-period records, all listed; — means that period is not recorded. Website previews are free; credit-metered previews cost 0.20 credits and HD costs 1 credit. Enterprise and on-premise require separate quotes. Cancellation, sources & verification recordPage advertises a 14-day money-back guarantee and flexible changes/cancellation; detailed eligibility is subject to terms. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ |
| Free & trial allowance on the test date | Not verified | Unlimited guest 500×500 previews; new registered accounts receive 2 Free Credits for HD exports |
| Cancellation & refunds | Completely free utility suite; no subscription or cancellation required. | Page advertises a 14-day money-back guarantee and flexible changes/cancellation; detailed eligibility is subject to terms. |
| Disclosure of costs & limits | Not verified | Disclosed in the Download dropdown menu ('Preview 500×500 Free' vs 'HD Quality 2048×2048') |
| 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: 0.1036 (Lower is better) · Global error SAD(k): 40.928 (Lower is better) · Foreground retention: 99.810% (Higher is better) · Background residue: 0.038% (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. | Complete subject contours with little residue; this free export was only 500px and blurred fine hair. |
| Original historical observation | Not verified | High foreground recall (99.81%) and low background leak (0.038%); transition band error mad_band=0.1036, SAD(k)=40.93, with mild edge softening when upsampled from the 500×500 free preview. |
| Suitable uses · historical assessment | Not verified | Users familiar with remove.bg's workflow needing quick guest 500px previews or desktop/Photoshop integrations |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · Check watermark record | 500 × 500 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (preserving native dimensions, watermark-free transparent PNG) | 2048×2048 (HD tier costs 1 Credit up to 25MP; guest preview tier is 500×500) |
| Watermark observation | Not verified | None (free tier is gated by 500×500 resolution cap) |
| Batch & API | Not verified | Windows / Mac / Linux desktop apps, Figma / Photoshop / WooCommerce plugins, and API |
| Recorded free-tier dimensions | 2048 × 2048 | 500 × 500 |
| Attached file dimensions | 2048 × 2048 · PNG | 500 × 500 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 2.97s · End-to-end reference: 24.78s | Network-observed server wait: 3.04s · End-to-end reference: 5.45s |
| Date & fixture | 2026-11-06 · anchor_bgremove_v1 · US-West (California, AS2914) | 2026-10-16 · 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 | No login required for 500×500 preview; full HD requires sign-in and 1 Credit |
| Manual adjustment | Not verified | Manual erase / adjustment recorded in the historical flow |
| Interaction observations | Not verified | No login walls or promotional popups blocking workflow; clicking 'Preview 500 × 500 Free' immediately downloads the PNG. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Not verified | Netflairs Technology Pvt. Ltd. (Slazzer) |
| Recorded origin | Not verified | Gurugram, India |
| Domain history record | Not verified | Launched 2020 |
| Background & reputation assessment | Not verified | Slazzer (Netflairs Technology Pvt. Ltd., Gurugram, India), launched in 2020 with desktop apps, Photoshop plugin, and API. |
| External reputation record | Not verified | Direct remove.bg competitor with nearly identical UX and plugin ecosystem; gives 2 free HD credits on registration. |
| Engineering & privacy | ||
| Processing location | Processing location unconfirmed | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics · Cloudflare Web Analytics | Google reCAPTCHA · Google Analytics |
| Engineering & privacy assessment | Not verified | Processed via slazzer.com/upload_image in 3.04s server time with stable response. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 28 / 40 Upload page does not state the 500px preview cap upfront, but clicking Download opens a clear menu listing 'Preview 500 × 500 (Free)' and 'HD Quality 2048 × 2048 (Download)'; pricing page clearly states 'Unlimited free previews + 2 Free credits'. | |
| Interaction restraint | 18 / 20 No login walls or promotional popups blocking workflow; clicking 'Preview 500 × 500 Free' immediately downloads the PNG. | |
| Background & reputation | 21 / 25 Slazzer (Netflairs Technology Pvt. Ltd., Gurugram, India), launched in 2020 with desktop apps, Photoshop plugin, and API. | |
| Engineering & privacy | 14 / 15 Processed via slazzer.com/upload_image in 3.04s server time with stable response. | |
| 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% | 49.9 / 65 Transition band error mad_band=0.1036 · Global SAD(k)=40.928 · Foreground recall 99.81% / Background leak 0.038% |
| 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 (HD tier costs 1 Credit up to 25MP; guest preview tier is 500×500) |
| 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) | 13 / 15 Network-observed server wait: 3.04s (API mode: async; network upload 0.84s / end-to-end 5.45s shown for reference only, never penalized) |
