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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 | ShortPixel | bulkresizephotos.com | Switch / compare |
|---|---|---|---|
| Image compression | 86/100 2048 × 2048 · PNG | 82/100 JPEG · Output attached | Active task |
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Browse this task →| Criterion | ShortPixel Online Image Compressor Image compression 86/100 Seven-aspect task score Login-free access offers three compression modes without third-party ads and discloses batch and size limits; this run cut size about 68% using cloud processing. Tested export 2048 × 2048 · PNG Historical test · 2026-10-18 | 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 |
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| Pricing & rules | ||
| Pricing plans | ShortPixel free web tool, one-time non-expiring credit packs, and annual unlimited plans; USD · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Web / Free Plan2026-10-21 ↗ Free Free Free Web tool free without login up to 50 images/batch and ≤10 MB/file (login removes 10 MB limit); Free account includes 100 credits/month. One-time 30K2026-10-21 ↗ USD 19.99 · one-time payment Usage / one-time Usage / one-time 30,000 credits (never expire) + 100 AI credits/month + 150 GB CDN traffic across unlimited websites. Rules [1] One-time 50K2026-10-21 ↗ USD 29.99 · one-time payment Usage / one-time Usage / one-time 50,000 credits (never expire) + 100 AI credits/month + 250 GB CDN traffic across unlimited websites. Rules [1] One-time 100K2026-10-21 ↗ USD 49.99 · one-time payment Usage / one-time Usage / one-time 100,000 credits (never expire) + 100 AI credits/month + 500 GB CDN traffic across unlimited websites. Rules [1] One-time 250K2026-10-21 ↗ USD 99 · one-time payment Usage / one-time Usage / one-time 250,000 credits (never expire) + 100 AI credits/month + 1.25 TB CDN traffic across unlimited websites. Rules [1] Unlimited Yearly2026-10-21 ↗ — Annual price not verified Annual Unlimited monthly credits, unlimited websites, 100 AI credits/month, 500 GB CDN/month; card displays USD 8.33/month equivalent (2 Months Free). Card displays only the USD 8.33/month equivalent ("Saving $31.98 / year") without printing the annual invoice total. Unlimited AI Yearly2026-10-21 ↗ — Annual price not verified Annual Unlimited compression and AI credits (including AI background removal and upscaling), 500 GB CDN/month; card displays USD 13.33/month equivalent. Card displays only the USD 13.33/month equivalent ("Saving $31.98 / year") without printing the annual invoice total. 7 plan / billing-period records, all listed; — means that period is not recorded. The online web compressor is free without login for files ≤10 MB (login removes the 10 MB limit; free plan includes 100 credits/month). The pricing page lists four non-expiring one-time credit packs (30K at USD 19.99, 50K at USD 29.99, 100K at USD 49.99, and 250K at USD 99.00). The Unlimited Yearly cards display only monthly equivalents (USD 8.33/month and USD 13.33/month, "Saving $31.98 / year") without printing the annual invoice total on the card, so the annual totals are kept unverified. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordOne-time credit packs never expire; subscriptions can be cancelled anytime in the account dashboard under official Terms. ShortPixel official pricing page (annual plans and one-time credit packs) ↗ · 2026-10-21 Capture 1 ↗ · Capture 2 ↗ | 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 | Up to 50 files per batch and 10 MB per file without login; free access to Lossy, Glossy, and Lossless modes | Completely free, no quota limits, client-side batch processing |
| Cancellation & refunds | One-time credit packs never expire; subscriptions can be cancelled anytime in the account dashboard under official Terms. | Not verified |
| Disclosure of costs & limits | Discloses 'maximum 10Mb. Login to remove the restriction.' upfront below the dropzone | Page transparently displays all resizing and compression parameters |
| Task quality | ||
| Measured fixture results | File reduction: 67.54% · Output size: 1343 KB | File reduction: 97.71% · Output size: 94.9 KB |
| Fixture findings | Offers three modes without login; the default reduced this fixture by about 68%, with quality trade-offs to inspect. | 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 | ShortPixel's online compressor is completely ad-free, discloses its 10 MB guest limit upfront (01_landing.png), and freely unlocks Lossy, Glossy, and Lossless modes. In default Lossy mode, it shrinks our 4,137.9 KB PNG to 1,343.0 KB (-67.54%, 3.08× ratio, 02_workspace.png) at 34.72 dB PSNR and 0.9954 SSIM. | 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 | Webmasters and designers who want an ad-free workspace with free access to Lossy, Glossy (photographer-grade), and Lossless modes | Users needing ultra-fast, drastic image file size reduction where transparency retention is not required |
| 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 full-resolution PNG free direct export (up to 10 MB and 50 files without login) | 1024×1024 (defaults to 50% scale JPEG, loses alpha transparency) |
| Watermark observation | Watermark-free | No watermark |
| Batch & API | Supports up to 50 files per batch on web, plus WordPress plugins and REST API | Supports unlimited batch files locally, constrained only by client memory |
| Recorded free-tier dimensions | 2048 × 2048 | 1024 × 1024 |
| Attached file dimensions | 2048 × 2048 · PNG | Not verified |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 9.8s · End-to-end reference: 12.2s | Recorded local processing time: 0.14s · End-to-end reference: 0.14s |
| Date & fixture | 2026-10-18 · 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 | No login required (free account login removes the 10 MB per-file cap) | All features available directly without registration or login |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Clean workspace with zero third-party ad banners, offering Lossy / Glossy / Lossless mode toggles and direct one-click PNG download from the thumbnail card (02_workspace.png, 03_download.png). | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | ShortPixel (ID Scout SRL) | Wruff GK |
| Recorded origin | Bucharest, Romania (EU GDPR compliant) | Not verified |
| Domain history record | 2014–Present (12-year image optimization specialist) | Not verified |
| Background & reputation assessment | Operated by ShortPixel (ID Scout SRL, founded in 2014), one of the most widely installed image optimization providers in the WordPress ecosystem. | Not verified |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | On-device processing |
| Third-party tracking record | Not verified | Google Analytics · Google AdSense |
| Engineering & privacy assessment | Processes images via ShortPixel's GDPR-compliant European cloud cluster without requiring personal details for guests. | Not verified |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | This flow runs locally; post-close deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 32 / 35 Clearly states right below the dropzone: 'Drop up to 50 files here to optimize. Compress JPG, GIF and PNG online. The files should have maximum 10Mb. Login to remove the restriction.' (01_landing.png). | |
| Interaction restraint | 26 / 30 Clean workspace with zero third-party ad banners, offering Lossy / Glossy / Lossless mode toggles and direct one-click PNG download from the thumbnail card (02_workspace.png, 03_download.png). | |
| Background & reputation | 18 / 20 Operated by ShortPixel (ID Scout SRL, founded in 2014), one of the most widely installed image optimization providers in the WordPress ecosystem. | |
| Engineering & privacy | 14 / 15 Processes images via ShortPixel's GDPR-compliant European cloud cluster without requiring personal details for guests. | |
| Task quality | 54.3 / 65 Reduces file size by 67.54% (3.08×) with 34.72 dB PSNR and 0.9954 SSIM, balancing strong compression with clean visual fidelity (54.3/65) | 50 / 65 Size Reduction: -97.71% (4137.9 KB → 94.9 KB, 43.62× ratio) · PSNR: 31.14 dB · SSIM: 0.9893 |
| Deliverable specifications | 19 / 20 Preserves full 2048×2048 resolution and native PNG format while offering free Lossy/Glossy/Lossless mode switching (19.0/20) | 12 / 20 Watermarked or blocked free export (0/8); Export spec: 1024×1024 (defaults to 50% scale JPEG, loses alpha transparency) |
| Processing speed | 11 / 15 Cloud SmartCompress processing takes ~9.8s (~12.2s end-to-end) (11.0/15) | 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) |
