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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 | MagicEraser.org | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 85/100 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 | 89/100 JPEG · Output attached | Active task |
| Object removal | Not tested in topic | 89/100 2000×2000 (Near-Native Unwatermarked JPG) · Historical description; output not attached | Compare in task topic → |
| Image generation | Not tested in topic | 82/100 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 | MagicEraser.org (AI Image Enhancer & Upscaler) Image upscaling 89/100 Seven-aspect task score Standard resizing and AI enhancement are clearly distinguished, with login-free trial-credit exports; this output was 1888px and tiny text was partly redrawn. Tested export JPEG · Output attached Historical test · 2026-10-16 |
|---|---|---|
| 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 ↗ | Web subscriptions, displayed top-ups and enterprise quote; USD · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits 200 Credit2026-10-20 ↗ USD 14.99 · one-time payment Usage / one-time Usage / one-time 200 general credits Rules [3] 500 Credit2026-10-20 ↗ USD 30 · one-time payment Usage / one-time Usage / one-time 500 general credits Rules [3] 2000 Credit2026-10-20 ↗ USD 70 · one-time payment Usage / one-time Usage / one-time 2000 general credits Rules [3] 5000 Credit2026-10-20 ↗ USD 90 · one-time payment Usage / one-time Usage / one-time 5000 general credits Rules [3] 10,000 credit pack2026-10-20 ↗ USD 120 · one-time payment Usage / one-time Usage / one-time 10,000 cross-tool credits Rules [4] 30,000 credit pack2026-10-20 ↗ USD 330 · one-time payment Usage / one-time Usage / one-time 30,000 cross-tool credits Rules [4] 11 plan / billing-period records, all listed; — means that period is not recorded. Verified 10,000 credits for $120 and 30,000 for $330, both one-time payments with non-expiring credits. The pricing page quantifies upscaling, restoration, editing and video use but not background removal; general credits are not asserted removal counts. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancel anytime in account dashboard Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ Large top-up package selections ↗ · 2026-10-20 Capture 1 ↗ · Capture 2 ↗ |
| Free & trial allowance on the test date | Completely free, no quota limits, pure client-side WebGPU processing | Guests receive 10 Free Credits without login; Enhance 2K costs 2 Credits per run (5 free high-res upscales) |
| Cancellation & refunds | Not verified | Cancel anytime in account dashboard |
| Disclosure of costs & limits | Page transparently outlines all resizing and AI enhancement parameters | Clearly shows 2 Credits cost and target resolution tier before clicking Apply Changes |
| Task quality | ||
| Measured fixture results | Tested scale: 4× | Tested scale: 3.69× |
| 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. | Main lettering and detail were clear; tiny letters showed some redrawing. |
| 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. | Achieves 27.34 dB full-image PSNR, 0.8878 SSIM, and a high 0.7543 edge gradient correlation (hf_ratio=0.615); carved wood grain on "REALTEST 2026" and brass knuckles are crisp, while the tiny 3rd-row micro-text on the calibration plate shows mild generative stroke reshaping. |
| Suitable uses · historical assessment | Users needing no-login, 100% private, client-side AI image super-resolution without uploading files to external servers | Users seeking sharp wood/metal texture enhancement (edge_corr=0.7543) with no-login near-2K unwatermarked exports |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | JPEG · Output attached · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (PNG · 4.0x full-resolution direct export) | 1888×1888 (Guest no-login 2K tier exports 3.69x unwatermarked JPG; supports up to 8K/16K) |
| Watermark observation | No watermark | No watermark |
| Batch & API | Supports arbitrary batch processing limited only by local device memory and GPU VRAM | Available via Batch Image Editor |
| Recorded free-tier dimensions | 2048 × 2048 | 1888 × 1888 |
| 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: 6.8s · End-to-end reference: 8.19s |
| Date & fixture | 2026-11-01 · anchor_upscale_v1 · US-West (California, AS2914) | 2026-10-16 · 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 | No login in this test |
| Sign-in methods | All features available directly without registration or login | No login required (uses the shared 10 Guest Free Credits pool) |
| Manual adjustment | Not verified | Manual erase / adjustment recorded in the historical flow |
| Interaction observations | Not verified | Provides a clean 512px -> 1888px before/after comparison slider and direct browser download with zero login walls. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | BIRME Project | MagicEraser.org / ImgUpscaler.ai Matrix |
| Recorded origin | United Kingdom | US / APAC Independent AI Team |
| Domain history record | Founded in 2013 | 2023–2026 |
| Background & reputation assessment | Not verified | Powered directly by its sibling ImgUpscaler.ai v2 super-resolution pipeline (api-v2.imgupscaler.ai / image_enhance_v1). |
| External reputation record | Continuously operating for 13 years since 2013, renowned for pure client-side privacy. | Rare transparency in explicitly warning users that standard upscaling does not add detail and pointing them to the AI Enhance tool. |
| Engineering & privacy | ||
| Processing location | On-device processing | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics | Google Analytics · Aliyun SLS Web Tracking |
| Engineering & privacy assessment | Not verified | Completes 3.69x cloud super-resolution in 6.80s over HTTPS without disguising basic interpolation as AI upscaling. |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Claims deletion within 4 hours; deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 33 / 35 Exemplary upfront honesty: clicking the "Upscaler" tab displays a prominent notice stating "This feature performs standard upscaling and does not enhance image details. If you want to enhance image quality, please use our Enhance tool", guiding users to the true AI super-resolution Enhance module (2 Free Credits, no login required, 1888×1888 unwatermarked JPG export). | |
| Interaction restraint | 28 / 30 Provides a clean 512px -> 1888px before/after comparison slider and direct browser download with zero login walls. | |
| Background & reputation | 18 / 20 Powered directly by its sibling ImgUpscaler.ai v2 super-resolution pipeline (api-v2.imgupscaler.ai / image_enhance_v1). | |
| Engineering & privacy | 13 / 15 Completes 3.69x cloud super-resolution in 6.80s over HTTPS without disguising basic interpolation as AI upscaling. | |
| 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 | 57.2 / 65 PSNR vs 2048px GT: 27.34 dB · SSIM: 0.8878 · Edge Gradient Correlation: 0.7543 · High-Freq Sharpness Ratio: 0.615 · Calibration Plate PSNR: 15.94 dB |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Free scale factor: 4x (2048 × 2048 (PNG · 4.0x full-resolution direct export)) | 18.4 / 20 Clean unwatermarked export (8/8); Free scale factor: 3.69x (1888×1888 (Guest no-login 2K tier exports 3.69x unwatermarked JPG; supports up to 8K/16K)) |
| 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) | 12 / 15 Network-observed server wait: 6.8s (API mode: async_polling; end-to-end 8.19s shown for reference only, never penalized) |
