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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 | quickimagekit.com | birme.net | Switch / compare |
|---|---|---|---|
| Image compression | 92/100 WEBP · Output attached | 83/100 512 × 512 · PNG | Active task |
| Image upscaling | Not tested in topic | 94/100 2048 × 2048 · PNG | Compare in task topic → |
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Browse this task →| Criterion | QuickImageKit Image Compressor Image compression 92/100 Seven-aspect task score 100% free and local in-browser compression with zero cloud upload, shrinking our 4.14 MB anchor by 93.33% to 276 KB (37.75 dB PSNR) in 0.54s, though PNG inputs are converted to WebP as disclosed. Tested export WEBP · Output attached Historical test · 2026-10-26 | 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 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Quick Image Kit in-browser local image utilities; completely free · 2026-10-26 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free local web tool2026-10-26 ↗ Free Free Free Completely free without login; 100% local in-browser processing with quality slider and 50KB/100KB/200KB/500KB target-size presets, watermark-free export. PNG inputs are converted to WebP upon export (disclosed upfront as Format: PNG → WebP) 1 plan / billing-period records, all listed; — means that period is not recorded. The official page states that images are decoded and rendered locally in the browser without server uploads, with no paid subscriptions or credit packs; PNG inputs are exported as WebP. Cancellation, sources & verification recordCompletely free local utility with no accounts or paid subscriptions. Quick Image Kit official image compressor and privacy notice page ↗ · 2026-10-26 Capture 1 ↗ · Capture 2 ↗ | 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 ↗ |
| Free & trial allowance on the test date | Unlimited free usage with multi-image drag-and-drop and ZIP batch download | Completely free, no quota limits, pure client-side batch processing |
| Cancellation & refunds | Completely free local utility with no accounts or paid subscriptions. | Not verified |
| Disclosure of costs & limits | Upfront disclosure on both landing page and workspace that PNG inputs convert to WebP | Page transparently outlines all resizing and compression parameters |
| Task quality | ||
| Measured fixture results | File reduction: 93.33% · Output size: 276 KB | File reduction: 88.37% · Output size: 481.4 KB |
| Fixture findings | Default Balanced mode converts the 4,137.9 KB anchor to a 276.0 KB WebP (-93.33%) with 37.75 dB PSNR and 0.9977 SSIM, keeping text and edges crisp. | 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. |
| Original historical observation | Running 100% locally in the browser (0.0s upload, 0.54s end-to-end), QuickImageKit compressed our 4,137.9 KB (2048×2048) anchor PNG into a 276.0 KB WebP (-93.33%) at 37.75 dB PSNR and 0.9977 SSIM with sharp text and edges (02_workspace.png, 03_download.png). | 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. |
| Suitable uses · historical assessment | Privacy-conscious web developers and creators who want zero cloud upload and >90% size reduction into modern WebP format | E-commerce and web operations requiring fast batch resizing and compression while preserving PNG transparency |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | WEBP · Output attached · No watermark in test | 512 × 512 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (Full-size watermark-free WebP) | 512 × 512 (Default Pica high-quality scaling, preserving native PNG) |
| Watermark observation | Watermark-free | No watermark |
| Batch & API | Supports multi-image drag-and-drop and batch ZIP download; no external REST API | Supports arbitrary batch processing limited only by local device memory |
| Recorded free-tier dimensions | 2048 × 2048 | 512 × 512 |
| Attached file dimensions | Not verified | 512 × 512 · PNG |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 0s · End-to-end reference: 0.54s | Recorded local processing time: 0.34s · End-to-end reference: 0.34s |
| Date & fixture | 2026-10-26 · 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 | 100% login-free (no account system; pure local browser utility) | All features available directly without registration or login |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Zero registration prompts, ad overlays, or deceptive redirects; dropping an image immediately displays original size, compressed size, reduction percentage, and a direct download button. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | QuickImageKit (Independent Client-Side Toolkit) | BIRME Project |
| Recorded origin | Undisclosed jurisdiction (Cloudflare global edge) | United Kingdom |
| Domain history record | 2026–Present | Founded in 2013 |
| Background & reputation assessment | Independent client-side browser image toolkit launched in 2026 with clear privacy documentation and contact channels, though without a disclosed corporate entity name. | Not verified |
| External reputation record | Not verified | Continuously operating for 13 years since 2013, renowned for pure client-side privacy. |
| Engineering & privacy | ||
| Processing location | On-device processing | On-device processing |
| Third-party tracking record | Vercel Web Analytics (_vercel/insights) | Google Analytics |
| Engineering & privacy assessment | Verified via browser network monitoring: image compression runs 100% locally via Canvas / WebP encoding with zero bytes uploaded to any remote server (upload_s_net = 0s). | 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 | 35 / 35 100% free with no account registration, paywalls, or file-count caps; the landing page and workspace clearly disclose upfront that PNG inputs are converted to WebP for maximum compression (Format: PNG → WebP). Dropping our 4,137.9 KB (2048×2048) anchor PNG immediately enabled a free 276.0 KB download (01_landing.png, 02_workspace.png, 03_download.png). | |
| Interaction restraint | 29 / 30 Zero registration prompts, ad overlays, or deceptive redirects; dropping an image immediately displays original size, compressed size, reduction percentage, and a direct download button. | |
| Background & reputation | 14.5 / 20 Independent client-side browser image toolkit launched in 2026 with clear privacy documentation and contact channels, though without a disclosed corporate entity name. | |
| Engineering & privacy | 14.5 / 15 Verified via browser network monitoring: image compression runs 100% locally via Canvas / WebP encoding with zero bytes uploaded to any remote server (upload_s_net = 0s). | |
| Task quality | 59.5 / 65 In default Balanced mode, compresses the 4,137.9 KB (2048×2048) PNG anchor to a 276.0 KB WebP (-93.33%, 14.99× ratio) while achieving PSNR = 37.75 dB and SSIM = 0.9977 (59.5/65) | 48 / 65 Size Reduction: -88.37% (4137.9 KB → 481.4 KB, 8.6× ratio) · PSNR: 27.59 dB · SSIM: 0.9755 |
| Deliverable specifications | 17 / 20 Preserves 100% of the 2048×2048 pixel resolution with zero watermarks or login walls and supports multi-file ZIP export; 3 points deducted because PNG inputs are converted to WebP (explicitly disclosed as Format: PNG → WebP) rather than preserving a native PNG container (17.0/20) | 15 / 20 Clean unwatermarked export (8/8); Export spec: 512 × 512 (Default Pica high-quality scaling, preserving native PNG) |
| Processing speed | 15 / 15 100% client-side local browser encoding with 0.0s network upload or server wait, completing the 2048×2048 anchor in ~0.54s end-to-end (15.0/15) | 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) |
