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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 | RedKetchup | everytool4u.com | Switch / compare |
|---|---|---|---|
| Background removal | Not tested in topic | 73/100 1600 × 1600 · PNG | Compare in task topic → |
| Image compression | 92/100 2048 × 2048 · PNG | 80/100 2048 × 2048 · PNG | Active task |
| PDF to Word | Not tested in topic | 81/100 DOCX · Output attached | Compare in task topic → |
| PDF compression | Not tested in topic | 81/100 PDF · Output attached | Compare in task topic → |
| Scanned PDF OCR | Not tested in topic | 96/100 PDF · Output attached | Compare in task topic → |
| PDF merge & split | Not tested in topic | 97/100 PDF · Output attached | Compare in task topic → |
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Browse this task →| Criterion | RedKetchup Image Compressor Image compression 92/100 Seven-aspect task score On-device processing retains full size for free with detailed controls; ad blocking adds a 20-second export wait, avoidable by allowing ads or paying. Tested export 2048 × 2048 · PNG Historical test · 2026-10-19 | EveryTool4U Image compression 80/100 Seven-aspect task score EveryTool4U strictly maintains a lossless PNG preservation policy in the 4.14 MB PNG benchmark, processing locally in 1.15 seconds with instant export. The image retains 100% bit-level fidelity (PSNR = 99.99 dB, SSIM = 1.0) with 0.0% size reduction on this pre-optimized anchor. With zero logins, zero uploads, and no watermarks, it caters to users prioritizing absolute fidelity and privacy. Tested export 2048 × 2048 · PNG Historical test · 2026-11-05 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | RedKetchup web tools and ad-free Premium account (Free / $5 One-Year / $10 Lifetime); USD · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Web2026-10-21 ↗ Free Free Free Free unlimited compression for PNG/JPEG/WEBP/HEIC without login; includes ads and a support countdown when ad blockers are active. Premium One-Year2026-10-21 ↗ — USD 5/year Annual USD 5 for 1 year of Premium access: removes ads (No ads) and skips download previews/countdowns (Skip previews). Premium Lifetime2026-10-21 ↗ USD 10 · one-time payment Usage / one-time Usage / one-time USD 10 one-time Lifetime Premium access: removes ads (No ads) and skips download previews/countdowns (Skip previews). 3 plan / billing-period records, all listed; — means that period is not recorded. RedKetchup online compression and bulk tools are free with all compression settings unlocked. Clicking Upgrade / REMOVE ADS opens the Upgrade to Premium modal offering two lightweight plans: USD 5 One-Year and USD 10 Lifetime to remove ads and skip download previews/countdowns. Cancellation, sources & verification recordFree tier requires no login; Premium offers USD 5 One-Year and USD 10 one-time Lifetime upgrades under official Terms. RedKetchup online compressor page and Upgrade to Premium modal ↗ · 2026-10-21 Capture 1 ↗ | EveryTool4U platform tool authorization and service pricing · 2026-11-01 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Tier2026-11-01 ↗ Free Free Free Unlimited usage across 109 online tools with no daily quota or queue limits Includes PDF merge, split, compression, Word conversion, OCR, image compression, background removal, and office utilities；Client-side processing; performance on large files depends on local device RAM and browser limits；No account registration or renewal required；Permanent access 1 plan / billing-period records, all listed; — means that period is not recorded. All tools are completely free indefinitely without registration or subscriptions; most tasks execute entirely on-device. Cancellation, sources & verification recordCancellation and refund terms unverified EveryTool4U Official Homepage ↗ · 2026-11-01 Capture 1 ↗ EveryTool4U About and Privacy Architecture Page ↗ · 2026-11-01 Capture 1 ↗ |
| Free & trial allowance on the test date | Unlimited free local compression; adblock users wait a 20-second support countdown before final file export | Completely free across all features with zero file count limits |
| Cancellation & refunds | Free tier requires no login; Premium offers USD 5 One-Year and USD 10 one-time Lifetime upgrades under official Terms. | Not verified |
| Disclosure of costs & limits | Workspace settings and adblock countdown notice are clear and upfront | Upload immediately displays size estimation and transparently reports saved bytes and download options post-compression |
| Task quality | ||
| Measured fixture results | File reduction: 56.31% · Output size: 1807.8 KB | File reduction: 0% · Output size: 4137.9 KB |
| Fixture findings | Local processing reduced this fixture by about 56% with adjustable quantisation; useful if you want parameter control. | Strict lossless PNG policy with PSNR 99.99 dB and SSIM 1.0, preserving bit-level fidelity with zero quality degradation. |
| Original historical observation | RedKetchup is one of the few tools that lets users manually pick 8-bit quantization dithering algorithms (Atkinson) and inspect pixels side-by-side in a full-screen viewer: it shrinks our 4.14 MB anchor PNG by 56.31% to 1.77 MB locally at PSNR=39.35 dB and SSIM=0.9984 (02_workspace.png, 03_download.png). | EveryTool4U processed locally in 1.15s, adopting a lossless fidelity approach for PNGs (02_result.png, 03_download.png). |
| Suitable uses · historical assessment | Developers and UI designers who want fine-grained control over PNG color depth (8/24/32-bit) and dithering algorithms with 100% local browser privacy | Privacy-sensitive users wanting fast compression for JPG/WebP while guaranteeing zero degradation for PNGs |
| 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 resolution watermark-free PNG direct export) | 2048x2048 native PNG (4,137.9 KB · 100% lossless fidelity) |
| Watermark observation | Watermark-free | No watermark |
| Batch & API | Offers a dedicated Bulk Image Resizer page; no external cloud API | Supports single and batch image compression |
| Recorded free-tier dimensions | 2048 × 2048 | 2048 × 2048 |
| Attached file dimensions | 2048 × 2048 · PNG | 2048 × 2048 · PNG |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 2.2s · End-to-end reference: 2.2s | Recorded local processing time: 0s · End-to-end reference: 1.15s |
| Date & fixture | 2026-10-19 · anchor_compress_v1 · US-West (California, AS2914) | 2026-11-05 · anchor_compress_v1 · Client-Side (Canvas / Browser Local) |
| 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; optional $5 ad-free account login | No login required, direct local compress and export |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Offers industry-leading granular controls for PNG bit depth (8-bit / 24-bit / 32-bit) and dithering algorithms (Atkinson / Floyd-Steinberg / Sierra) plus a split-screen inspector; the only friction is the 20s timer when ads are blocked. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | RedKetchup (redketchup.io) | EveryTool4U |
| Recorded origin | Independent Developer Toolkit | Not verified |
| Domain history record | 2021–Present | Not verified |
| Background & reputation assessment | Well-regarded independent frontend image processing toolkit (Image Resizer, Compressor, Icon Editor) actively maintained since 2021. | Not verified |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | On-device processing |
| Third-party tracking record | Not verified | Google AdSense · Google Tag Manager |
| Engineering & privacy assessment | 100% client-side browser Web Worker and HTML5 Canvas execution—all PNG palette quantization and Atkinson dithering happen locally in browser memory (Blob URL) with zero server uploads. | Not verified |
| Retention statement | This flow runs locally; post-close deletion not independently verified | This flow runs locally; post-close deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 31.5 / 35 Completely free and requires no sign-up (01_landing.png, 02_workspace.png); when an adblocker is active, clicking final Download displays a transparent notice ('The download will begin in 20 seconds. To avoid the countdown... Allow ads or upgrade for $5', 03_download.png) and automatically exports the full-resolution PNG once the timer finishes. | |
| Interaction restraint | 25.5 / 30 Offers industry-leading granular controls for PNG bit depth (8-bit / 24-bit / 32-bit) and dithering algorithms (Atkinson / Floyd-Steinberg / Sierra) plus a split-screen inspector; the only friction is the 20s timer when ads are blocked. | |
| Background & reputation | 18 / 20 Well-regarded independent frontend image processing toolkit (Image Resizer, Compressor, Icon Editor) actively maintained since 2021. | |
| Engineering & privacy | 15 / 15 100% client-side browser Web Worker and HTML5 Canvas execution—all PNG palette quantization and Atkinson dithering happen locally in browser memory (Blob URL) with zero server uploads. | |
| Task quality | 60.5 / 65 Default Auto-Detect (8-bit + Atkinson dithering) preserves native PNG format and shrinks 4,137.9 KB to 1,807.8 KB (56.31% reduction, 2.29× ratio) with PSNR = 39.35 dB and SSIM = 0.9984 (60.5/65) | 40 / 65 Size Reduction: -0% (4137.9 KB → 4137.9 KB, 1× ratio) · PSNR: 99.99 dB · SSIM: 1 |
| Deliverable specifications | 20 / 20 100% preserves 2048×2048 pixel dimensions and native PNG format without watermarks or login (20.0/20) | 20 / 20 Clean unwatermarked export (8/8); Export spec: 2048x2048 native PNG (4,137.9 KB · 100% lossless fidelity) |
| Processing speed | 12 / 15 Local Web Worker quantization and full-screen preview complete in ~2.2s (0s network upload; adblock users wait a 20s countdown before export) (12.0/15) | 15 / 15 Network-observed server wait: 0s (API mode: client_side_canvas_browser; network upload 0s / end-to-end 1.15s shown for reference only, never penalized) |
