See your options side by side
Choose one task and 2–4 tools. Compare pricing, output, test results and trust.
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 | imageresizer.com | ShortPixel | Switch / compare |
|---|---|---|---|
| Image compression | 91/100 2048 × 2048 · PNG | 86/100 2048 × 2048 · PNG | Active task |
| Image upscaling | 90/100 2048 × 2048 · PNG | Not tested in topic | Compare in task topic → |
Select at least 2 tools to compare
You can also filter a task page first, then compare your shortlist.
Browse this task →| Criterion | ImageResizer Image compression 91/100 Seven-aspect task score ImageResizer provides login-free cloud compression with full-resolution 2048×2048 watermark-free export, reducing file size by 78.3% (4.04MB to 899KB) in 5.99s server time; a 10MB single-file free limit and standard banner ads apply. Tested export 2048 × 2048 · PNG Historical test · 2026-11-01 | 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 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Site-wide image resizing, compression, cropping, and conversion subscriptions · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-11-01 ↗ Free Free Free 10MB file limit, up to 5 images per batch, 10 images/day across premium tools Access to basic image resizer, compressor, converter, and cropping tools；Ad-supported, 5 images per batch, 10MB per image；Free indefinitely, no renewal；Perpetual access Pro2026-11-01 ↗ USD 6.99/month — Monthly 50MB file limit, up to 20 images per batch, 100 images/day across premium tools Full access to Image Resizer tools, zero ads, priority processing；50MB per image, 20 images per batch Rules [1] [2]Ultra2026-11-01 ↗ USD 9.99/month — Monthly 1GB file limit, up to 100 images per batch, unlimited images Highest specifications across all tools, 24/7 dedicated support, zero ads；1GB per image, 100 images per batch Rules [1] [2]3 plan / billing-period records, all listed; — means that period is not recorded. Free tier covers up to 10MB/image and 5 images/batch; Pro ($6.99/mo) and Ultra ($9.99/mo) offer higher limits with no hidden fees and cancel-anytime policy. Cancellation, sources & verification recordCancellation and refund terms unverified ImageResizer Official Pricing ↗ · 2026-11-01 Capture 1 ↗ | 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 ↗ |
| Free & trial allowance on the test date | 10MB per file limit, up to 5 images per batch, no daily hard cutoff | Up to 50 files per batch and 10 MB per file without login; free access to Lossy, Glossy, and Lossless modes |
| Cancellation & refunds | Not verified | One-time credit packs never expire; subscriptions can be cancelled anytime in the account dashboard under official Terms. |
| Disclosure of costs & limits | Not verified | Discloses 'maximum 10Mb. Login to remove the restriction.' upfront below the dropzone |
| Task quality | ||
| Measured fixture results | File reduction: 78.26% · Output size: 899.4 KB | File reduction: 67.54% · Output size: 1343 KB |
| Fixture findings | Retained original PNG format and alpha channel, scoring 30.58 dB PSNR and 0.9879 SSIM with clean metallic texture and no artifacts. | Offers three modes without login; the default reduced this fixture by about 68%, with quality trade-offs to inspect. |
| Original historical observation | Uploaded 4.04 MB (4,137.9 KB) test image; under default smart compression, cloud processing completed in 5.99 seconds yielding 899.41 KB deliverable (78.26% reduction). Micro-details remained unblurred, with 30.58 dB PSNR and 0.9879 SSIM; provides interactive before/after slider with one-click download. | 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. |
| Suitable uses · historical assessment | Not verified | Webmasters and designers who want an ad-free workspace with free access to Lossy, Glossy (photographer-grade), and Lossless modes |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | 2048 × 2048 · PNG · Check watermark record | 2048 × 2048 · PNG · No watermark in test |
| Historical specification note · not an official maximum | 2048×2048 (Zero-watermark native PNG export without login) | 2048×2048 full-resolution PNG free direct export (up to 10 MB and 50 files without login) |
| Watermark observation | Not verified | Watermark-free |
| Batch & API | Not verified | Supports up to 50 files per batch on web, plus WordPress plugins and REST API |
| 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: 5.99s · End-to-end reference: 15.36s | Network-observed server wait: 9.8s · End-to-end reference: 12.2s |
| Date & fixture | 2026-11-01 · 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 | Not verified | No login in this test |
| Sign-in methods | Available without login; supports email registration and paid subscriptions | No login required (free account login removes the 10 MB per-file cap) |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | 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 | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | ImageResizer.com | ShortPixel (ID Scout SRL) |
| Recorded origin | United States | Bucharest, Romania (EU GDPR compliant) |
| Domain history record | Founded in 2012 | 2014–Present (12-year image optimization specialist) |
| Background & reputation assessment | Not verified | Operated by ShortPixel (ID Scout SRL, founded in 2014), one of the most widely installed image optimization providers in the WordPress ecosystem. |
| External reputation record | Established free online image utility with over 14 years of reliable operation, trusted by developers and creators. | Not verified |
| Engineering & privacy | ||
| Processing location | Uploaded for cloud processing | Uploaded for cloud processing |
| Third-party tracking record | Google Analytics · Google AdSense | Not verified |
| Engineering & privacy assessment | Not verified | Processes images via ShortPixel's GDPR-compliant European cloud cluster without requiring personal details for guests. |
| Retention statement | Claims deletion within 6 hours; deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| 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 | 58 / 65 Size Reduction: -78.26% (4137.9 KB → 899.4 KB, 4.6× ratio) · PSNR: 30.58 dB · SSIM: 0.9879 | 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) |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048×2048 (Zero-watermark native PNG export without login) | 19 / 20 Preserves full 2048×2048 resolution and native PNG format while offering free Lossy/Glossy/Lossless mode switching (19.0/20) |
| Processing speed | 12.5 / 15 Network-observed server wait: 5.99s (API mode: cloud_server; network upload 9.37s / end-to-end 15.36s shown for reference only, never penalized) | 11 / 15 Cloud SmartCompress processing takes ~9.8s (~12.2s end-to-end) (11.0/15) |
