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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 | Photoroom | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 86/100 2048 × 2048 · PNG | Compare in task topic → |
| Image compression | 83/100 512 × 512 · PNG | Not tested in topic | Compare in task topic → |
| Image upscaling | 94/100 2048 × 2048 · PNG | 87/100 JPEG · Output attached | Active task |
| Object removal | Not tested in topic | 88/100 2048×2048 (No Watermark PNG) · Historical description; output not attached | Compare in task topic → |
| Image generation | Not tested in topic | 86/100 JPEG · Output attached | Compare in task topic → |
| AI product background | Not tested in topic | 81/100 JPEG · Output attached | Compare in task topic → |
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Browse this task →| Criterion | BIRME Image upscaling 94/100 Seven-aspect task score BIRME is one of the rare free tools that runs AI super-resolution entirely client-side via in-browser WebGPU/WASM without requiring an account. In our live test, it upscaled a 1024px input to a full 2048x2048 watermark-free native PNG in 60.3s, achieving an edge correlation of 0.6668 that significantly outperforms traditional bicubic interpolation while providing uncompromising zero-upload privacy. Tested export 2048 × 2048 · PNG Historical test · 2026-11-01 | PhotoRoom (Image Enhancer & Upscaler) Image upscaling 87/100 Seven-aspect task score Inside the web app tool catalog, guests can run 4x upscaling and download a watermark-free image without signing in; single-sample response is fast with sharp text edges, though the marketing page lacks an upload box and exports JPEG. Tested export JPEG · Output attached Historical test · 2026-10-19 |
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| 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 ↗ | USD web subscriptions: Pro, Max and all four Ultra volumes, monthly and annual; excludes API/MCP · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-20 ↗ Free Free Free Limited AI credits and exports; exact quantities are not stated in official help Personal, non-commercial use only; no API access Pro2026-10-20 ↗ USD 12.99/month USD 89.99/year Monthly 8,000 AI credits/month, 1,000 exports/month; core removal uses no AI credits Annual 8,000 AI credits/month, 1,000 exports/month; core removal uses no AI credits Public card shows $7.50/month equivalent; in-app upgrade modal after sign-in confirms USD 89.99/year (one free trial per person) Max2026-10-20 ↗ USD 34.99/month USD 249.99/year Monthly 25,000 AI credits/month, 3,000 exports/month; core removal uses no AI credits Annual 25,000 AI credits/month, 3,000 exports/month; core removal uses no AI credits Public card shows $20.99/month equivalent; in-app upgrade modal after sign-in confirms USD 249.99/year ($20.83/month equivalent, one free trial per person) Ultra 75k2026-10-20 ↗ USD 99/month USD 990/year Monthly 75,000 AI credits/month, 10,000 exports/month; core removal uses no AI credits Annual 75,000 AI credits/month, 10,000 exports/month; core removal uses no AI credits Public card shows $82.50/month equivalent; in-app upgrade modal after sign-in confirms USD 990.00/year Ultra 150k2026-10-20 ↗ USD 198/month USD 1,980/year Monthly 150,000 AI credits/month, 20,000 exports/month; core removal uses no AI credits Annual 150,000 AI credits/month, 20,000 exports/month; core removal uses no AI credits Public card shows $165/month equivalent; in-app upgrade modal after sign-in confirms USD 1,980.00/year Ultra 375k2026-10-20 ↗ USD 495/month USD 4,950/year Monthly 375,000 AI credits/month, 50,000 exports/month; core removal uses no AI credits Annual 375,000 AI credits/month, 50,000 exports/month; core removal uses no AI credits Public card shows $413/month equivalent ($412.50/month in modal); in-app upgrade modal after sign-in confirms USD 4,950.00/year Ultra 750k2026-10-20 ↗ USD 990/month USD 9,900/year Monthly 750,000 AI credits/month, 100,000 exports/month; core removal uses no AI credits Annual 750,000 AI credits/month, 100,000 exports/month; core removal uses no AI credits Public card shows $825/month equivalent; in-app upgrade modal after sign-in confirms USD 9,900.00/year 13 plan / billing-period records, all listed; — means that period is not recorded. Free use is personal and non-commercial, with no exact allowance stated. Core removal uses no AI credits but export caps and fair-use limits apply. The public pricing page only shows monthly equivalents for annual plans; after sign-in, the in-app upgrade modal confirms all six annual invoice totals: Pro USD 89.99/year (not $7.5×12=$90), Max USD 249.99/year ($20.83/month equivalent, not $20.99×12), and Ultra tiers at USD 990 / 1,980 / 4,950 / 9,900/year. The pricing page states VAT/GST is included. Cancellation, sources & verification recordCancel in app. Pro/Max annual plans have a seven-day trial. Pro/Max/Ultra refunds may be requested within seven days of the last payment, but are not guaranteed and may be refused for misuse or terms violations. API is excluded. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ · Capture 3 ↗ · Capture 4 ↗ · Capture 5 ↗ · Capture 6 ↗ · Capture 7 ↗ · Capture 8 ↗ · Capture 9 ↗ · Capture 10 ↗ · Capture 11 ↗ Purchase entry requires sign-in ↗ · 2026-10-20 Capture 1 ↗ Official plans and free-use scope ↗ · 2026-10-20 Capture 1 ↗ Official refund eligibility ↗ · 2026-10-20 Capture 1 ↗ In-app upgrade modal annual billing totals (verified after sign-in) ↗ · 2026-10-21 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free, no quota limits, pure client-side WebGPU processing | Guest Image Enhancer flow upscales the 512px anchor to a 2048×2048 native JPEG (4x) without sign-in or payment. |
| Cancellation & refunds | Not verified | Cancel in app. Pro/Max annual plans have a seven-day trial. Pro/Max/Ultra refunds may be requested within seven days of the last payment, but are not guaranteed and may be refused for misuse or terms violations. API is excluded. |
| Disclosure of costs & limits | Page transparently outlines all resizing and AI enhancement parameters | Not verified |
| Task quality | ||
| Measured fixture results | Tested scale: 4× | Tested scale: 4× |
| Fixture findings | Under the 2048px standard anchor, BIRME's local WebGPU super-resolution outputs a 2048x2048 native PNG with 26.97 dB PSNR, 0.8897 SSIM, 0.6668 edge correlation (+17.9% over bicubic baseline), and 16.08 dB plate PSNR, completing in 60.3s purely offline on the client. | This 500x500 sample was upscaled 4x to 2000x2000 with sharp text edges; output was exported as JPEG. |
| Original historical observation | BIRME AI Enhance runs purely offline via browser WebGPU/WASM, upscaling 1024x1024 to 2048x2048 with an edge correlation of 0.6668, delivering significantly better detail than bicubic interpolation. | Guest Image Enhancer flow upscales the 512px anchor to a 2048×2048 native JPEG (4x) with sharp text on the wooden sign and calibration plate. |
| Suitable uses · historical assessment | Users needing no-login, 100% private, client-side AI image super-resolution without uploading files to external servers | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | JPEG · Output attached · Check watermark record |
| Historical specification note · not an official maximum | 2048 × 2048 (PNG · 4.0x full-resolution direct export) | Not verified |
| Watermark observation | No watermark | Not verified |
| Batch & API | Supports arbitrary batch processing limited only by local device memory and GPU VRAM | Not verified |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | 2048 × 2048 · PNG | Not verified |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 60.34s · End-to-end reference: 60.34s | Network-observed server wait: 2.72s · End-to-end reference: 3.86s |
| Date & fixture | 2026-11-01 · anchor_upscale_v1 · US-West (California, AS2914) | 2026-10-19 · anchor_upscale_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 | Not verified |
| Sign-in methods | All features available directly without registration or login | No login required in app.photoroom.com/ai-tools Image Enhancer; Google / Apple / Facebook / email supported |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Requires navigating from the SEO landing page into the web app tool catalog to upload, but the Image Enhancer workflow itself completes without popups or forced registration. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | BIRME Project | AI Visual Unicorn (Paris, France) |
| Recorded origin | United Kingdom | Not verified |
| Domain history record | Founded in 2013 | Not verified |
| Background & reputation assessment | Not verified | Operated by PhotoRoom SAS (Paris, France), a widely recognized AI visual editing platform across mobile and web. |
| External reputation record | Continuously operating for 13 years since 2013, renowned for pure client-side privacy. | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics | Not verified |
| Engineering & privacy assessment | Not verified | Processes 4x upscaling via synchronous HTTPS endpoint ai-gateway.photoroom.com/v3/upscale returning a binary JPEG. |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 26 / 35 The /tools/photo-enhancer marketing page has no inline file input and public pricing cards show monthly equivalents for annual plans; however, inside app.photoroom.com/ai-tools Image Enhancer, guests can upscale the 512px anchor 4x and download a 2048×2048 JPEG for free (in-app modal verified 2026-10-21: Pro $89.99/yr, Max $249.99/yr). | |
| Interaction restraint | 22 / 30 Requires navigating from the SEO landing page into the web app tool catalog to upload, but the Image Enhancer workflow itself completes without popups or forced registration. | |
| Background & reputation | 19 / 20 Operated by PhotoRoom SAS (Paris, France), a widely recognized AI visual editing platform across mobile and web. | |
| Engineering & privacy | 12 / 15 Processes 4x upscaling via synchronous HTTPS endpoint ai-gateway.photoroom.com/v3/upscale returning a binary JPEG. | |
| Task quality | 60.5 / 65 PSNR vs 2048px GT: 26.97 dB · SSIM: 0.8897 · Edge Gradient Correlation: 0.6668 · High-Freq Sharpness Ratio: 0.5048 · Calibration Plate PSNR: 16.08 dB | 58 / 65 4x upscale to 2048×2048 native JPEG: full-image PSNR=27.60 dB, SSIM=0.8605, edge gradient correlation edge_corr=0.6917, high-frequency ratio hf_ratio=0.7804, calibration plate PSNR=16.86 dB with crisp text and line-pair edges. |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Free scale factor: 4x (2048 × 2048 (PNG · 4.0x full-resolution direct export)) | 18 / 20 Guest flow directly exports a 2048×2048 (4x) watermark-free image; delivered as lossy JPEG rather than lossless PNG (-2). |
| Processing speed | 12 / 15 Network-observed server wait: 60.34s (API mode: client_side; end-to-end 60.34s shown for reference only, never penalized) | 14 / 15 2026-10-21 single-sample network timing: synchronous POST /v3/upscale pure server wait 2.72s (download 0.87s, end-to-end 3.86s). |
