Hello Keyboard Tools · Background removal
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.
US-West (California, AS2914)
2048 × 2048 · PNG · Open native file ↗
Subsequent pricing and service checks are shown separately without altering historical scores.
One run does not establish all complex scenes, untested paid maxima or long-term uptime.
Plans & historical pricing
Hello Keyboard Tools site-wide free utilities · 2026-11-06
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 record
Completely 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 ↗
Pricing recorded on the test date · 2026-11-06
$0 (100% Free)
Completely free web utility, no paywalls, no accounts, no ads
Historical context only; not current purchase guidance.
Delivery & access
- Free delivery record
- 2048 × 2048 (preserving native dimensions, watermark-free transparent PNG)
- Attached file dimensions
- 2048 × 2048 · PNG
Read directly from the attached file; this does not establish free download availability at that size.
- Watermark
- Not recorded or not verified
- Free allowance
- Not recorded or not verified
- Account requirements
- Not recorded or not verified
- Maximum specification record
- 2048 × 2048 (preserving native dimensions, watermark-free transparent PNG)
May include advertised capabilities; this does not establish a tested paid tier.
- Batch & API
- Not recorded or not verified
- Manual refinement
- Not recorded or not verified
Tested result & sample
Not recorded or not verified
- 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
These historical measurements describe alpha error at edges (MAD), total alpha error / 1000 (SAD), foreground retention and background residue. Low-resolution outputs are aligned to the reference under the original protocol; this does not imply a full-resolution export.
- Fixture
- anchor_bgremove_v1
- Recorded environment
- US-West (California, AS2914)
- Network-observed server wait
- 2.97 s
- End-to-end reference
- 24.78 s
Network wait includes round trips, queuing and polling error, not pure inference time. Local timings depend on the device; repetition counts are not standardized in legacy records.
Experience, rules & trust
- Disclosure
- Not recorded or not verified
- Interaction
- Not recorded or not verified
- Entity record
- Not recorded or not verified
- Origin
- Not recorded or not verified
- Domain history record
- Not recorded or not verified
- Third-party tracking record
- Google Analytics · Cloudflare Web Analytics
- External information
- Not recorded or not verified
- Processing
- Not recorded or not verified
- Retention statement
- No persistent retention of source images or output files after single-pass processing
A recorded statement does not verify deletion or all data-processing behavior.
Verifiable audit trail & evidence
Four SHA-256-verified stages link the benchmark fixture, same-run interface screenshots, native exported artifact and archived pricing sources.
anchor_bgremove_v1 · Inspect fixture & file inspector →
Captures entry rules, result view and export disclosure.
Hello Keyboard Tools homepage declaration and tool directory (snapshot ↗) · Hello Keyboard Tools privacy and processing policy (snapshot ↗)
Screenshots, native output and official claims support different conclusions. Evidence grades are not product safety certifications.
Evaluation basis & full scores · Overall 88.8/100
Overall = honesty & reputation × 30% + capability × 70%. Component maxima follow this report’s rubric. List scores are rounded for display; original precision is retained here.
Scoring version 2.3.1 · Test fixture anchor_bgremove_v1
Honesty & reputation · 92.5/100 · 30%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Pricing transparency | 35 / 35 | Explanation unavailable | Evidence A → |
| Interaction restraint | 30 / 30 | Explanation unavailable | Evidence A → |
| Background & reputation | 14 / 20 | Explanation unavailable | Evidence A → |
| Engineering & privacy | 13.5 / 15 | Explanation unavailable | Evidence A → |
Capability · 87.2/100 · 70%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| 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% | Evidence A → |
| Deliverable specifications | 20 / 20 | True Alpha channel (8/8); Max deliverable spec: 2048 × 2048 (preserving native dimensions, watermark-free transparent PNG) | Evidence A → |
| 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) | Evidence A → |
Legacy scores may include advertised maximum capabilities. Read tested output separately from paid capabilities. Records without matching tiers and scope are not ranked together.
Revisions & corrections
- 2026-11-06
Completed real-machine benchmark evaluation and 3-node screenshot verification under RealTest Protocol v2.3.