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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 | bulkresizephotos.com | Switch / compare |
|---|---|---|---|
| Image compression | 83/100 512 × 512 · PNG | 82/100 JPEG · Output attached | Active task |
| Image upscaling | 94/100 2048 × 2048 · PNG | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | BIRME Image compression 83/100 Seven-aspect task score BIRME is a free, no-login client-side image resizer and compressor that completes 88.4% volume reduction in 342ms using Pica high-quality interpolation to 512x512 while retaining native PNG RGBA transparency, ideal for e-commerce and web batch optimization; however, keeping original dimensions while preserving PNG format in browser Canvas triggers file expansion due to uncompressed Canvas re-encoding. Tested export 512 × 512 · PNG Historical test · 2026-11-01 | Bulk Resize Photos Image compression 82/100 Seven-aspect task score Bulk Resize Photos was benchmarked on 2026-11-01: fully guest-accessible and purely client-side via Canvas/WASM, reducing a 4.14 MB image by 97.7% to 94.9 KB in just 140ms, though default settings silently scale to 50% (1024×1024) and convert to JPEG, dropping alpha transparency. Tested export JPEG · Output attached Historical test · 2026-11-01 |
|---|---|---|
| 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 ↗ | Entire client-side batch image resizing and optimization free service · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-11-01 ↗ Free Free Free Completely free unlimited batch image resizing, compression, and format conversion with zero uploads Batch resizing by scale, dimensions, file size, along with quality compression and format conversion；Dependent on local device performance; ad-supported；Permanently free, no renewal；Perpetual access 1 plan / billing-period records, all listed; — means that period is not recorded. 100% free with ad sponsorship; zero paid plans, subscriptions, or quota limits. Cancellation, sources & verification recordCancellation and refund terms unverified Bulk Resize Photos Official Homepage ↗ · 2026-11-01 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free, no quota limits, pure client-side batch processing | Completely free, no quota limits, client-side batch processing |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Page transparently outlines all resizing and compression parameters | Page transparently displays all resizing and compression parameters |
| Task quality | ||
| Measured fixture results | File reduction: 88.37% · Output size: 481.4 KB | File reduction: 97.71% · Output size: 94.9 KB |
| Fixture findings | Under the 2048px standard anchor, BIRME's default preset exports a 512x512 native PNG file achieving 27.59 dB PSNR, 0.9755 SSIM, and 88.37% size reduction with pure client-side Canvas/Pica offline processing in 342ms. | Sample testing confirms: under default settings it heavily compresses file size by 97.7% to 94.9 KB with PSNR of 31.14 dB and SSIM of 0.9893, though deliverable size drops to 1024x1024 without alpha channel, earning an 80.3 overall score. |
| Original historical observation | BIRME executes purely in local browser Canvas with Pica interpolation, reducing 4.14 MB to 481.4 KB (-88.4%) while preserving PNG format and transparency in 342ms. | Bulk Resize Photos uses client-side Canvas processing; default settings heavily compress the 4.14 MB image by 97.7% to 94.9 KB, converting to JPEG and scaling to 50% in 140ms. |
| Suitable uses · historical assessment | E-commerce and web operations requiring fast batch resizing and compression while preserving PNG transparency | Users needing ultra-fast, drastic image file size reduction where transparency retention is not required |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 512 × 512 · PNG · No watermark in test | JPEG · Output attached · No watermark in test |
| Historical specification note · not an official maximum | 512 × 512 (Default Pica high-quality scaling, preserving native PNG) | 1024×1024 (defaults to 50% scale JPEG, loses alpha transparency) |
| Watermark observation | No watermark | No watermark |
| Batch & API | Supports arbitrary batch processing limited only by local device memory | Supports unlimited batch files locally, constrained only by client memory |
| Recorded free-tier dimensions | 512 × 512 | 1024 × 1024 |
| Attached file dimensions | 512 × 512 · PNG | Not verified |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 0.34s · End-to-end reference: 0.34s | Recorded local processing time: 0.14s · End-to-end reference: 0.14s |
| Date & fixture | 2026-11-01 · anchor_compress_v1 · US-West (California, AS2914) | 2026-11-01 · anchor_compress_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 | All features available directly without registration or login |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | BIRME Project | Wruff GK |
| Recorded origin | United Kingdom | Not verified |
| Domain history record | Founded in 2013 | Not verified |
| Background & reputation assessment | Not verified | Not verified |
| 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 | On-device processing |
| Third-party tracking record | Google Analytics | Google Analytics · Google AdSense |
| Engineering & privacy assessment | Not verified | Not verified |
| Retention statement | This flow runs locally; post-close deletion not independently verified | This flow runs locally; post-close deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | ||
| Interaction restraint | ||
| Background & reputation | ||
| Engineering & privacy | ||
| Task quality | 48 / 65 Size Reduction: -88.37% (4137.9 KB → 481.4 KB, 8.6× ratio) · PSNR: 27.59 dB · SSIM: 0.9755 | 50 / 65 Size Reduction: -97.71% (4137.9 KB → 94.9 KB, 43.62× ratio) · PSNR: 31.14 dB · SSIM: 0.9893 |
| Deliverable specifications | 15 / 20 Clean unwatermarked export (8/8); Export spec: 512 × 512 (Default Pica high-quality scaling, preserving native PNG) | 12 / 20 Watermarked or blocked free export (0/8); Export spec: 1024×1024 (defaults to 50% scale JPEG, loses alpha transparency) |
| Processing speed | 15 / 15 Network-observed server wait: 0.34s (API mode: client_side; network upload 0s / end-to-end 0.34s shown for reference only, never penalized) | 15 / 15 Network-observed server wait: 0.14s (API mode: client_side; network upload 0s / end-to-end 0.14s shown for reference only, never penalized) |
