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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 | birme.net | Erase.bg | Switch / compare |
|---|---|---|---|
| Background removal | 83/100 2048 × 2048 · PNG | 60/100 1536 × 1536 · PNG | Active task |
| Image compression | 83/100 512 × 512 · PNG | Not tested in topic | Compare in task topic → |
| Image upscaling | 94/100 2048 × 2048 · PNG | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | BIRME Background removal 83/100 Seven-aspect task score BIRME employs an innovative client-side WebGPU/WASM matting engine. Processing the 2048×2048 curly hair portrait took 28.5s entirely within the browser, achieving 99.9% foreground recall and only 0.8% background residue. Completely free without login, it exports full-resolution unwatermarked transparent PNGs with total privacy. Tested export 2048 × 2048 · PNG Historical test · 2026-11-04 | Erase.bg Background removal 60/100 Seven-aspect task score Hair quality is good, but the HD signup flow failed to deliver, promotions interrupt the workflow, and prior images remain visible in a shared browser. Tested export 1536 × 1536 · PNG Historical test · 2026-10-15 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | BIRME 100% free client-side batch image processing and compression · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-11-01 ↗ Free Free Free Completely free without login; unlimited batch image processing constrained only by client memory Smart crop, format conversion (JPG/PNG/WebP/AVIF), quality compression, watermark, AI background removal and upscaling；Pure client-side execution; very large batches may consume significant browser memory；Permanently free, no renewal；Perpetual access 1 plan / billing-period records, all listed; — means that period is not recorded. All batch resizing, compression, AI background removal, and upscaling are 100% free with voluntary donation support and zero paid plans. Cancellation, sources & verification recordCancellation and refund terms unverified BIRME Official Studio ↗ · 2026-11-01 Capture 1 ↗ | Current purchase cards on the Chinese pricing page; dollar pricing · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits 10 credits2026-10-20 ↗ USD 6 · one-time payment Usage / one-time Usage / one-time 10 removals; 1 credit each Rules [1] 100 credits2026-10-20 ↗ USD 12 · one-time payment Usage / one-time Usage / one-time 100 removals; 1 credit each Rules [1] 1000 credits2026-10-20 ↗ USD 50 · one-time payment Usage / one-time Usage / one-time 1000 removals; 1 credit each Rules [1] 5 plan / billing-period records, all listed; — means that period is not recorded. The conflict persists on recheck: purchase cards offer only 10/100/1,000-credit one-time packs, while the FAQ claims unlimited Pro at $15/month or $5/month billed annually without a matching subscription purchase option. These subscriptions are not marked purchasable. Signup grants 3 HD downloads; each removal costs 1 credit; purchased credits expire after one year and are nonrefundable. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCurrent packs are non-refundable. FAQ subscription cancellation text may describe legacy plans. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ Current purchase cards and FAQ conflict recheck ↗ · 2026-10-20 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free without login; unlimited batch image processing constrained only by client memory | Guest tier exports at 75% dimension (1536×1536); registering a PixelBin account grants 3 credits on console.pixelbin.io |
| Cancellation & refunds | Not verified | Current packs are non-refundable. FAQ subscription cancellation text may describe legacy plans. |
| Disclosure of costs & limits | Not verified | 1536×1536 downscaling and cross-product redirect to PixelBin are not disclosed before clicking |
| Task quality | ||
| Measured fixture results | Edge error MAD: 0.1359 (Lower is better) · Global error SAD(k): 56.05 (Lower is better) · Foreground retention: 99.900% (Higher is better) · Background residue: 0.804% (Lower is better) | Edge error MAD: 0.0739 (Lower is better) · Global error SAD(k): 27.914 (Lower is better) · Foreground retention: 99.960% (Higher is better) · Background residue: 0.036% (Lower is better) |
| Fixture findings | Client-side 28.5s fine-hair matting with 99.9% recall, 0.8% residue, and unwatermarked full-res PNG export. | Fine curls were well retained with low edge error in this test; other subjects are not established by this result. |
| Original historical observation | BIRME in-browser AI matting ran locally in 28.5s, accurately separating subject from bookshelf and exporting a 5.78 MB transparent PNG. | Underlying segmentation model is outstanding (mad_band=0.0748, SAD(k)=27.9, #2 in raw hair edge accuracy), which makes its aggressive cross-product redirect dark pattern all the more unfortunate. |
| Suitable uses · historical assessment | Not verified | Users who strictly use the guest no-login button for 1536×1536 exports and ignore the HD sign-up prompt |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · Check watermark record | 1536 × 1536 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048x2048 (PNG full resolution transparent deliverable) | 1536×1536 guest export (75% of input dimension; 'Sign up & Download HD 2048×2048' button redirected to console.pixelbin.io without delivering the image) |
| Watermark observation | Not verified | None |
| Batch & API | Not verified | Requires switching to PixelBin console for batch & API workflows |
| Recorded free-tier dimensions | 2048 × 2048 | 1536 × 1536 |
| Attached file dimensions | 2048 × 2048 · PNG | 1536 × 1536 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 28.5s · End-to-end reference: 28.5s | Network-observed server wait: 8.3s · End-to-end reference: 30.64s |
| Date & fixture | 2026-11-04 · anchor_bgremove_v1 · US-West (California, AS2914) | 2026-10-15 · 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 | Direct usage without login | No login required for 1536×1536 export; HD button prompts Google / GitHub / Email login |
| Manual adjustment | Not verified | Basic background color replacement on Erase.bg; no brush tool |
| Interaction observations | Not verified | Clicking the free download triggers two consecutive overlay modals (sign-up prompt + PostHog PixelBin survey popup), and the HD sign-up flow redirects across products. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | BIRME Project | Shopsense Retail Technologies Ltd. (Fynd / PixelBin, Reliance-backed) |
| Recorded origin | United Kingdom | Mumbai, India |
| Domain history record | Established in 2013 | Launched 2021 |
| Background & reputation assessment | Not verified | Shopsense Retail Technologies Ltd. (Fynd / PixelBin, backed by Reliance Industries, Mumbai, India). |
| External reputation record | Continuously operating for over 13 years since 2013, with over 50,000 monthly active users and widely praised for client-side privacy. | Built by Indian retail-tech giant Fynd with an excellent segmentation model, but heavily penalized by our 60.0 hard cap due to unfulfilled HD sign-up redirect to PixelBin. |
| Engineering & privacy | ||
| Processing location | Processing location unconfirmed | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics | PostHog · Google Analytics |
| Engineering & privacy assessment | Not verified | Supports HTTPS, but in guest mode the page still displayed previous session upload history from the same browser profile. |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 25 / 40 Guest download silently scales 2048×2048 input to 1536×1536 (75% dimension) without stating pixel dimensions on the button; clicking 'Sign up & Download HD (2048×2048)' and completing Google OAuth redirected to console.pixelbin.io instead of downloading the HD image. | |
| Interaction restraint | 6 / 20 Clicking the free download triggers two consecutive overlay modals (sign-up prompt + PostHog PixelBin survey popup), and the HD sign-up flow redirects across products. | |
| Background & reputation | 21 / 25 Shopsense Retail Technologies Ltd. (Fynd / PixelBin, backed by Reliance Industries, Mumbai, India). | |
| Engineering & privacy | 11 / 15 Supports HTTPS, but in guest mode the page still displayed previous session upload history from the same browser profile. | |
| Task quality | 46.5 / 65 Transition band error mad_band=0.1359 · Global SAD(k)=56.05 · Foreground recall 99.90% / Background leak 0.804% | 59.6 / 65 Transition band error mad_band=0.0739 · Global SAD(k)=27.914 · Foreground recall 99.96% / Background leak 0.036% |
| Deliverable specifications | 20 / 20 True Alpha channel (8/8); Max deliverable spec: 2048x2048 (PNG full resolution transparent deliverable) | 20 / 20 True Alpha channel (8/8); Max deliverable spec: 1536×1536 guest export (75% of input dimension; 'Sign up & Download HD 2048×2048' button redirected to console.pixelbin.io without delivering the image) |
| Processing speed | 11 / 15 Network-observed server wait: 28.5s (API mode: client_side; network upload 0s / end-to-end 28.5s shown for reference only, never penalized) | 10 / 15 Network-observed server wait: 8.3s (API mode: async; network upload 15.61s / end-to-end 30.64s shown for reference only, never penalized) |
