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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 | Aiseesoft | ResizePixel | Switch / compare |
|---|---|---|---|
| Background removal | 84/100 2048 × 2048 · PNG | Not tested in topic | Compare in task topic → |
| Image compression | 87/100 2048 × 2048 · PNG | 85/100 2048 × 2048 · PNG | Active task |
| Image upscaling | 83/100 1024 × 1024 · PNG | Not tested in topic | Compare in task topic → |
| Object removal | 72/100 2048 × 2048 · PNG | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | 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 | ResizePixel Image Compressor Image compression 85/100 Seven-aspect task score Free login-free target-size compression preserves quality and offers deletion; extension ads on the download page can be confused with the real button. Tested export 2048 × 2048 · PNG Historical test · 2026-10-18 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | 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 ↗ | ResizePixel online image compressor and editor web tool · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits ResizePixel Free Web2026-10-21 ↗ Free Free Free Free without login for JPG/PNG/WEBP/GIF; supports auto compression and target KB/MB compression with unwatermarked export. 1 plan / billing-period records, all listed; — means that period is not recorded. The official tool page provides free, no-login online compression for JPG, PNG, WEBP, and GIF images (with auto optimization or target KB/MB compression), supported by display ads without a paywall. Cancellation, sources & verification recordAd-supported free tool with no accounts or subscription charges. ResizePixel official online image compressor page ↗ · 2026-10-21 Capture 1 ↗ |
| Free & trial allowance on the test date | Free batch compression up to 40 images at a time, max 5 MB per image | 100% free with both Auto high-fidelity compression and exact Target KB/MB compression |
| Cancellation & refunds | Cancellation and refund terms follow official checkout and help policies. | Ad-supported free tool with no accounts or subscription charges. |
| Disclosure of costs & limits | Clearly discloses "Up to 40 images, max 5MB each" inside the upload box before upload | 100% free throughout the entire workflow |
| Task quality | ||
| Measured fixture results | File reduction: 78.39% · Output size: 894.2 KB | File reduction: 49.63% · Output size: 2084.2 KB |
| Fixture findings | 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. | Reduced this fixture by about 50% with detail retained; avoid the sidebar ad resembling a download button. |
| Original historical observation | 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. | ResizePixel delivers remarkable quality in Auto (keep the quality) mode: shrinking our 4,137.9 KB PNG by 49.63% to 2,084.2 KB in 7.6s while maintaining a near-lossless 43.94 dB PSNR and 0.9994 SSIM (02_workspace.png). Users just need to ignore the green 'DOWNLOAD EXTENSION' ad on the left and click the real 'Go to Download / Download Image' button at the bottom right (03_download.png). |
| Suitable uses · historical assessment | Users looking for high-ratio (-78%) no-login PNG compression on files under 5 MB without creating an account | Users who demand near-lossless visual quality (43.94 dB PSNR) or need to shrink an image to an exact KB ceiling for government/exam portals |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · No watermark in test | 2048 × 2048 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048×2048 (native PNG format preserved, no-login watermark-free export) | 2048×2048 full-resolution PNG free direct export (supports exact target KB/MB compression) |
| Watermark observation | Watermark-free | Watermark-free |
| Batch & API | Supports up to 40 images in batch with one-click Download All | Single-image precision workflow (no multi-file batch zip) |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | 2048 × 2048 · PNG | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 11.68s · End-to-end reference: 11.68s | Network-observed server wait: 5.4s · End-to-end reference: 7.6s |
| Date & fixture | 2026-10-23 · anchor_compress_v1 · US-West (California, AS2914) | 2026-10-18 · 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 | Completely guest-accessible; no login or registration required | No registration or login required (no account system) |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | 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. | Both the editor and download screen display a deceptive green 'DOWNLOAD EXTENSION — 2 Easy Steps: 1. Click Download 2. Add Trusted Spot Extension' ad banner on the left sidebar (02_workspace.png, 03_download.png), whereas the real green 'Go to Download / Download Image' button sits in the bottom-right corner. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Aiseesoft Studio | ResizePixel |
| Recorded origin | Hong Kong / Shenzhen, China | Ukraine |
| Domain history record | 2008–Present | 2019–Present (dedicated lightweight online image editor) |
| Background & reputation assessment | Operated by Aiseesoft Studio (established multimedia and document utility vendor since 2008). | Operated by an independent Ukrainian web utility team focused on lightweight browser image tools. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | No third-party services listed in this record; this is not proof that none exist. | Not verified |
| Engineering & privacy assessment | Direct HTTPS multipart POST to image-api.aiseesoft.com/imageCompress with CDN delivery via istorage-cloud.com; no account required. | Download page explicitly states 'The download will be valid for 30 minutes' and provides a red '❌ Delete Now' button for immediate manual server deletion (03_download.png). |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Claims deletion within 30 minutes; deletion not independently verified |
| 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). | 32 / 35 100% free with zero paywalls or login gates, offering both 'Auto (keep the quality)' and 'Compress file to X KB/MB' modes (01_landing.png, 02_workspace.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. | 17 / 30 Both the editor and download screen display a deceptive green 'DOWNLOAD EXTENSION — 2 Easy Steps: 1. Click Download 2. Add Trusted Spot Extension' ad banner on the left sidebar (02_workspace.png, 03_download.png), whereas the real green 'Go to Download / Download Image' button sits in the bottom-right corner. |
| Background & reputation | 16.5 / 20 Operated by Aiseesoft Studio (established multimedia and document utility vendor since 2008). | 16 / 20 Operated by an independent Ukrainian web utility team focused on lightweight browser image tools. |
| 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. | 13 / 15 Download page explicitly states 'The download will be valid for 30 minutes' and provides a red '❌ Delete Now' button for immediate manual server deletion (03_download.png). |
| Task quality | 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) | 57.2 / 65 Cuts PNG file size nearly in half (-49.63%, 1.99×) while preserving an extraordinary 43.94 dB PSNR and 0.9994 SSIM (57.2/65) |
| Deliverable specifications | 19 / 20 Exports a full 2048×2048 watermark-free PNG without login, though single files are capped at 5 MB (19.0/20) | 19 / 20 Preserves full 2048×2048 resolution and native PNG format while supporting exact target-KB compression (19.0/20) |
| Processing speed | 10.5 / 15 Single-sample XHR timing (image-api.aiseesoft.com/imageCompress): 11.68s combined upload and server compression (10.5/15) | |
