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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 | TinyPNG | bulkresizephotos.com | Switch / compare |
|---|---|---|---|
| Image compression | 93/100 2048 × 2048 · PNG | 82/100 JPEG · Output attached | Active task |
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Browse this task →| Criterion | TinyPNG Image compression 93/100 Seven-aspect task score Clear free allowances and login-free batch downloads balance PNG size and quality; the tested limits were 20 images at 5MB each, processed in the cloud. 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 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | TinyPNG online optimizer plans (Web Free / Web Pro / Web Ultra); USD · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Web Free2026-10-21 ↗ Free Free Free Free without login; up to 20 images per session (max 5 MB each) for AVIF/WebP/PNG/JPEG compression and 3 format conversions per session. Web Pro (Annual)2026-10-21 ↗ — Annual price not verified Annual Unlimited image compressions, up to 75 MB file size, folder upload, and ad-free; card displays USD 3.25/month equivalent ("Per month | Billed annually"). Pricing card displays only the USD 3.25/month equivalent ("Billed annually") without printing the annual invoice total on the public page. Web Ultra (Annual)2026-10-21 ↗ — Annual price not verified Annual Unlimited compressions and format conversions, up to 150 MB file size, fastest speed, and ad-free; card displays USD 12.42/month equivalent ("Per month | Billed annually"). Pricing card displays only the USD 12.42/month equivalent ("Billed annually") without printing the annual invoice total on the public page. 3 plan / billing-period records, all listed; — means that period is not recorded. The official /pricing/web page lists Web Free (USD 0, 20 images/session, max 5 MB/file, 3 format conversions/session), Web Pro (displayed as USD 3.25/month billed annually, unlimited compressions, max 75 MB/file), and Web Ultra (displayed as USD 12.42/month billed annually, unlimited compressions and conversions, max 150 MB/file). Because the Web Pro and Web Ultra cards display only rounded monthly equivalents ("Per month | Billed annually") without printing the annual invoice totals on the card, the annual totals are marked unverified. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCredit card subscriptions auto-renew annually (with email reminders 1 month and 1 week prior) and can be disabled anytime in the account dashboard; upgrading from Web Pro to Web Ultra refunds remaining Web Pro months. TinyPNG official website and Web subscription pricing page ↗ · 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 20 images per day, max 5 MB per file on the free web tier | Completely free, no quota limits, client-side batch processing |
| Cancellation & refunds | Credit card subscriptions auto-renew annually (with email reminders 1 month and 1 week prior) and can be disabled anytime in the account dashboard; upgrading from Web Pro to Web Ultra refunds remaining Web Pro months. | Not verified |
| Disclosure of costs & limits | 5 MB and 20-image limits are printed directly inside the upload dropzone before file selection | Page transparently displays all resizing and compression parameters |
| Task quality | ||
| Measured fixture results | File reduction: 57.73% · Output size: 1749 KB | File reduction: 97.71% · Output size: 94.9 KB |
| Fixture findings | Kept PNG format while reducing this fixture by about 58%; check free file-size and quantity limits. | 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 | TinyPNG remains the gold standard for smart PNG quantization: without changing format or pixel dimensions (2048×2048), it cuts our 4.24 MB anchor PNG by 57.73% (1,749.0 KB) while achieving the highest fidelity in the category at PSNR=40.09 dB and SSIM=0.9987 (02_workspace.png, 03_download.png). | 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 | Frontend developers, UI designers, and content editors who need to keep native PNG format (and alpha support) while cutting file weight by ~60% with virtually zero visual loss (PSNR > 40 dB) | 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 (native resolution preserved, watermark-free PNG) | 1024×1024 (defaults to 50% scale JPEG, loses alpha transparency) |
| Watermark observation | Watermark-free | No watermark |
| Batch & API | Supports 20-file batch drag-and-drop, Photoshop plugin, and official Tinify 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: 4.2s · End-to-end reference: 6.3s | 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 for free tier | All features available directly without registration or login |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | No forced sign-up modal, no countdown gates, and no watermark traps; clicking Download immediately exports the compressed PNG. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Tinify B.V. / Voormedia B.V. | Wruff GK |
| Recorded origin | Amsterdam, Netherlands | Not verified |
| Domain history record | 2012–Present (14-year PNG optimization benchmark) | Not verified |
| Background & reputation assessment | Developed and operated by Voormedia B.V. in Amsterdam, Netherlands since 2012—the global benchmark for smart PNG quantization. | 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 | HTTPS encrypted upload to api.tinify.com; temporary compressed files are automatically purged after a short window. | 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 | 33 / 35 Clearly states free tier limits on the upload dropzone ('Up to 20 images, max 5 MB each'). Uploading the 4.24 MB (2048×2048) anchor PNG requires no login and immediately provides a free download button (01_landing.png, 02_workspace.png, 03_download.png). | |
| Interaction restraint | 27.5 / 30 No forced sign-up modal, no countdown gates, and no watermark traps; clicking Download immediately exports the compressed PNG. | |
| Background & reputation | 19.5 / 20 Developed and operated by Voormedia B.V. in Amsterdam, Netherlands since 2012—the global benchmark for smart PNG quantization. | |
| Engineering & privacy | 13 / 15 HTTPS encrypted upload to api.tinify.com; temporary compressed files are automatically purged after a short window. | |
| Task quality | 61.1 / 65 Preserves native PNG format and 2048×2048 dimensions while shrinking 4,137.9 KB to 1,749.0 KB (-57.73%, 2.37× ratio) with industry-leading PSNR = 40.09 dB and SSIM = 0.9987 (59.9/65) | 50 / 65 Size Reduction: -97.71% (4137.9 KB → 94.9 KB, 43.62× ratio) · PSNR: 31.14 dB · SSIM: 0.9893 |
| Deliverable specifications | 20 / 20 Exports a watermark-free 2048×2048 PNG without login (capped at 5 MB per file and 20 files/day on the free tier) (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 | 12.5 / 15 Server-side smart quantization on api.tinify.com completes in ~4.2s (13.0/15) | 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) |
