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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 | tools.hellokeyboard.com | Aiseesoft | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 84/100 2048 × 2048 · PNG | Compare in task topic → |
| Image compression | 92/100 JPEG · Output attached | 87/100 2048 × 2048 · PNG | Active task |
| Image upscaling | Not tested in topic | 83/100 1024 × 1024 · PNG | Compare in task topic → |
| Object removal | Not tested in topic | 72/100 2048 × 2048 · PNG | Compare in task topic → |
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Browse this task →| Criterion | Hello Keyboard Tools Image compression 92/100 Seven-aspect task score Hello Keyboard Tools is a free, login-free client-side image compressor that achieves an 85.99% volume reduction (4.14 MB to 580 KB) in only 250ms at default 80% quality, reaching 42.34 dB PSNR and 0.9992 SSIM with complete local privacy and instant turnaround; as it defaults to JPEG output, users requiring transparency for PNG inputs should select the WebP format. Tested export JPEG · Output attached Historical test · 2026-11-06 | Aiseesoft Free Image Compressor Online Image compression 87/100 Seven-aspect task score No-login 2048×2048 watermark-free PNG export for files under 5 MB with 40-image batching and a 78.39% size reduction, though processing takes 11.68s. Tested export 2048 × 2048 · PNG Historical test · 2026-10-23 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Hello Keyboard Tools site-wide free utilities · 2026-11-06 Plan · source date Monthly / one-time Annual bill / period Quota & limits Web Free2026-11-06 ↗ Free Free Free Free use across all utilities without registration; supports up to 20 MB per file depending on the tool 1 plan / billing-period records, all listed; — means that period is not recorded. The official site declares tools are free to use, require no login, no subscription, with files primarily processed locally in the browser. Cancellation, sources & verification recordCompletely free utility suite; no subscription or cancellation required. Hello Keyboard Tools homepage declaration and tool directory ↗ · 2026-11-06 Capture 1 ↗ Hello Keyboard Tools privacy and processing policy ↗ · 2026-11-06 Capture 1 ↗ | This web background remover; excludes desktop software and stock subscriptions · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free web tool2026-10-20 ↗ Free Free Free Officially described as fully free; no paid tier listed No published count or maximum output size; this does not establish unlimited HD 1 plan / billing-period records, all listed; — means that period is not recorded. No published count or maximum output size; this does not establish unlimited HD Cancellation, sources & verification recordCancellation and refund terms follow official checkout and help policies. Official plans and usage terms ↗ · 2026-10-20 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free, no quota limits, pure client-side single-image processing (up to 20 MB) | Free batch compression up to 40 images at a time, max 5 MB per image |
| Cancellation & refunds | Completely free utility suite; no subscription or cancellation required. | Cancellation and refund terms follow official checkout and help policies. |
| Disclosure of costs & limits | Page transparently outlines format choices and quality controls | Clearly discloses "Up to 40 images, max 5MB each" inside the upload box before upload |
| Task quality | ||
| Measured fixture results | File reduction: 85.99% · Output size: 579.8 KB | File reduction: 78.39% · Output size: 894.2 KB |
| Fixture findings | Under the 2048px standard anchor, Hello Keyboard Tools exports a 2048x2048 full-resolution native JPEG at default settings, achieving 42.34 dB PSNR, 0.9992 SSIM, and 85.99% file size reduction with pure client-side Canvas offline processing in 250ms. | Shrinks the 4.14 MB standard PNG by 78.39% to 894.2 KB in native PNG format at 31.12 dB PSNR and 0.9896 SSIM. |
| Original historical observation | Hello Keyboard Tools uses client-side Canvas encoding to compress 4.14 MB down to 579.8 KB (-86.0%) at default 80% quality, achieving 42.34 dB PSNR and 0.9992 SSIM in only 250ms. | Aiseesoft Free Image Compressor shrinks the 4.24 MB (2048×2048) anchor PNG down to 894.2 KB (-78.39%, 4.63× ratio) without login, preserving native PNG dimensions at PSNR=31.12 dB and SSIM=0.9896. |
| Suitable uses · historical assessment | Users needing fast local image compression without uploads, prioritizing privacy, and accepting JPEG/WebP formats | Users looking for high-ratio (-78%) no-login PNG compression on files under 5 MB without creating an account |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | JPEG · Output attached · No watermark in test | 2048 × 2048 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048 × 2048 (preserving native dimensions) | 2048×2048 (native PNG format preserved, no-login watermark-free export) |
| Watermark observation | No watermark | Watermark-free |
| Batch & API | Interactive single-file processing, up to 20 MB per file | Supports up to 40 images in batch with one-click Download All |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | Not verified | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 0.25s · End-to-end reference: 0.25s | Network-observed server wait: 11.68s · End-to-end reference: 11.68s |
| Date & fixture | 2026-11-06 · anchor_compress_v1 · US-West (California, AS2914) | 2026-10-23 · 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 | Completely guest-accessible; no login or registration required |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Zero registration walls or popups; displays a clean inline progress bar ("4.04 MB → 894.19 KB -78%") with direct Download and Download All buttons, alongside a single text link for its desktop video app. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Not verified | Aiseesoft Studio |
| Recorded origin | Not verified | Hong Kong / Shenzhen, China |
| Domain history record | Not verified | 2008–Present |
| Background & reputation assessment | Not verified | Operated by Aiseesoft Studio (established multimedia and document utility vendor since 2008). |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics · Cloudflare Web Analytics | No third-party services listed in this record; this is not proof that none exist. |
| Engineering & privacy assessment | Not verified | Direct HTTPS multipart POST to image-api.aiseesoft.com/imageCompress with CDN delivery via istorage-cloud.com; no account required. |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 31 / 35 Landing page explicitly states "100% Free — Up to 40 images, max 5MB each" right inside the upload dropzone (01_landing.png); the 4.04 MB anchor PNG is compressed and downloaded without login or paywall prompts (02_result.png, 03_download.png). | |
| Interaction restraint | 26 / 30 Zero registration walls or popups; displays a clean inline progress bar ("4.04 MB → 894.19 KB -78%") with direct Download and Download All buttons, alongside a single text link for its desktop video app. | |
| Background & reputation | 16.5 / 20 Operated by Aiseesoft Studio (established multimedia and document utility vendor since 2008). | |
| Engineering & privacy | 12.5 / 15 Direct HTTPS multipart POST to image-api.aiseesoft.com/imageCompress with CDN delivery via istorage-cloud.com; no account required. | |
| Task quality | 58 / 65 Size Reduction: -85.99% (4137.9 KB → 579.8 KB, 7.14× ratio) · PSNR: 42.34 dB · SSIM: 0.9992 | 57.5 / 65 Aggressively compresses the 4,237,170-byte (4,137.9 KB) 2048×2048 PNG down to 915,651 bytes (894.2 KB, -78.39%, 4.63× ratio) while keeping native 2048×2048 PNG format, achieving PSNR = 31.12 dB and SSIM = 0.9896 (57.5/65) |
| Deliverable specifications | 18 / 20 Watermarked or blocked free export (0/8); Export spec: 2048 × 2048 (preserving native dimensions) | 19 / 20 Exports a full 2048×2048 watermark-free PNG without login, though single files are capped at 5 MB (19.0/20) |
| Processing speed | 15 / 15 Network-observed server wait: 0.25s (API mode: client_side; network upload 0s / end-to-end 0.25s shown for reference only, never penalized) | 10.5 / 15 Single-sample XHR timing (image-api.aiseesoft.com/imageCompress): 11.68s combined upload and server compression (10.5/15) |
