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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 | mconverter.eu | pdfcompressor.com | Switch / compare |
|---|---|---|---|
| PDF to Word | 88/100 DOCX · Output attached | Not tested in topic | Compare in task topic → |
| PDF compression | 92/100 PDF · Output attached | 79/100 PDF · Output attached | Active task |
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Browse this task →| Criterion | MConverter PDF compression 92/100 Seven-aspect task score Requires Google sign-in (Free Plan); offers three compression levels, default strong compression completes in 19.98s, shrinking the 1.66 MB 2-page PDF by 78.72% to 353 KB with 100% vector text preserved. Tested export PDF · Output attached Historical test · 2026-11-02 | PDF Compressor PDF compression 79/100 Seven-aspect task score PDF Compressor provides a completely free, login-free batch compression service supporting up to 20 files with 1-hour auto-purge, slashing file size by 90.82% in 2.08s, but at the steep cost of rasterizing most vector text into bitmaps, sacrificing text selectability and sharp rendering. Tested export PDF · Output attached Historical test · 2026-10-31 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | MConverter free tier and Plus, Pro, Max monthly subscriptions · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-31 ↗ Free Free Free Free batch conversion without login, 100MB maximum file size, 4-hour auto-purge Basic conversions, isolated sandbox, immediate manual deletion；100MB per file cap, limited batch size；No renewal required, permanently free；Perpetual access Plus Plan2026-10-31 ↗ USD 12.99/month — Monthly Convert 250 files at once, 1 GB maximum file size, unlimited conversions per day No ads, no file branding, cross-device history, human support, File Explorer integration；1 GB per-file cap, 250 files per batch Rules [1] [2]Pro Plan2026-10-31 ↗ USD 25.99/month — Monthly Convert 750 files at once, 2 GB maximum file size, unlimited conversions per day No ads, no file branding, priority support, File Explorer integration；2 GB per-file cap, 750 files per batch Rules [1] [2]Max Plan2026-10-31 ↗ USD 33.99/month — Monthly Convert 1000 files at once, 10 GB maximum file size, unlimited conversions per day High-priority cluster, 10GB massive files, priority support, File Explorer integration；10 GB per-file cap, 1000 files per batch Rules [1] [2]4 plan / billing-period records, all listed; — means that period is not recorded. Free unregistered tier supports batch conversions up to 100MB per file with 4-hour automatic purge; Plus is $12.99/mo (1GB file cap, 250 batch limit), Pro is $25.99/mo (2GB cap, 750 batch), Max is $33.99/mo (10GB cap, 1000 batch). Cancellation, sources & verification recordCancellation and refund terms unverified MConverter Premium Plans & Pricing ↗ · 2026-10-31 Capture 1 ↗ | PDF Compressor web batch compression tool · 2026-10-31 Plan · source date Monthly / one-time Annual bill / period Quota & limits Web Free2026-10-31 ↗ Free Free Free Batch upload up to 20 files per task, unlimited daily usage Automated PDF compression with individual or batch ZIP downloads；1-hour file retention, maximum 20 files per batch 1 plan / billing-period records, all listed; — means that period is not recorded. Official site explicitly states all features are free, supporting up to 20 files at once with zero paywalls. Cancellation, sources & verification recordCompletely free without subscription; no cancellation or refund terms needed. Official homepage and compression workspace ↗ · 2026-10-31 Capture 1 ↗ |
| Free & trial allowance on the test date | Free Plan provides three compression levels for standard document compression needs | Completely free, batch upload up to 20 files per task |
| Cancellation & refunds | Not verified | Completely free without subscription; no cancellation or refund terms needed. |
| Disclosure of costs & limits | Displays compression tiers and format options upfront before starting conversion | Homepage states 20-file batch limit; terms specify 1-hour deletion |
| Task quality | ||
| Measured fixture results | File reduction: 78.72% · Output size: 353 KB · Selectable text retained: 100% · Page 2 preserved: Yes | File reduction: 90.82% · Output size: 152.3 KB · Selectable text retained: 11.1% · Page 2 preserved: Yes |
| Fixture findings | Compressed the 1,659.0 KB fixture by 78.72% (353.0 KB output) with both pages and 100% selectable vector text preserved. | In the 2-page mixed-content anchor benchmark, file size plummeted from 1,659 KB to 152.3 KB (-90.82%), but underlying vector text retention dropped to 11.1% (only 1 of 4 headings preserved, table text fully rasterized). |
| Original historical observation | MConverter compresses the 1,659.0 KB fixture to 353.0 KB (-78.72%) under Strong compression, preserving 100% vector text and table content upon stream verification, with automatic native download. | PDF Compressor accepted the sample without login, compressed it by 90.82% to 152.3 KB in 2.08s, and exported a watermark-free PDF with rasterized text (01_landing.png, 02_result.png, 03_download.png). |
| Suitable uses · historical assessment | Users needing reliable preservation of vector text and table structures with substantial size reduction who accept free Google sign-in | Users needing maximum file size reduction who do not require searchable or selectable vector text |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | PDF · Output attached · No watermark in test | PDF · Output attached · No watermark in test |
| Historical specification note · not an official maximum | Full 2-page native vector PDF (353.0 KB · -78.72% · watermark-free · strong compression) | Two-page PDF (152.3 KB, no watermark, 90.82% reduction) |
| Watermark observation | Watermark-free | No watermark |
| Batch & API | Supports multi-file batch uploads and cloud drive connections | Supports batch upload of up to 20 files with ZIP download |
| Recorded free-tier dimensions | Not verified | Not verified |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 19.98s · End-to-end reference: 20s | Network-observed server wait: 2.08s · End-to-end reference: 2.08s |
| Date & fixture | 2026-11-02 · anchor_pdfcompress_v1 · US-West (California, AS2914) | 2026-10-31 · anchor_pdfcompress_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 | Account required in this test | No login in this test |
| Sign-in methods | Sign-in required via Google SSO | Direct batch upload with zero login required |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Requires account login before conversion; clearly displays upload and compression progress, then auto-triggers watermark-free native PDF download, with moderate display ads on page. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | MConverter (mconverter.eu) | PDF Compressor Team |
| Recorded origin | Europe | Not verified |
| Domain history record | European online multi-format conversion platform | Not verified |
| Background & reputation assessment | Operated by the European MConverter team, maintaining long-term multi-format online document, image, and media conversion tools. | Not verified |
| 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. | Google Ads · Google Analytics |
| Engineering & privacy assessment | End-to-end HTTPS encryption, provides an instant delete button to destroy server files, with scheduled automatic cleanup. | Not verified |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Claims deletion within 1 hours; deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 31 / 35 Offers Strong compression, Basic compression, and Extreme compression tiers for free upon login, with no hidden paywalls or download lockouts. | |
| Interaction restraint | 24 / 30 Requires account login before conversion; clearly displays upload and compression progress, then auto-triggers watermark-free native PDF download, with moderate display ads on page. | |
| Background & reputation | 18 / 20 Operated by the European MConverter team, maintaining long-term multi-format online document, image, and media conversion tools. | |
| Engineering & privacy | 13 / 15 End-to-end HTTPS encryption, provides an instant delete button to destroy server files, with scheduled automatic cleanup. | |
| Task quality | 65 / 65 Deterministic PDF stream inspection: default Strong compression compresses the 1,659.0 KB fixture to 353.0 KB (-78.72% reduction, 4.7x ratio) while retaining 100.0% of all vector text operators, 4/4 headings, 12/12 table cells, and the Page 2 token (65.0/65) | 45 / 65 Size Reduction: -90.82% (1659 KB → 152.3 KB, 10.89× ratio) · Selectable Vector Text Retained: 11.1% · Page 2 Preserved: Yes |
| Deliverable specifications | 18 / 20 Free tier exports a complete 353.0 KB 2-page watermark-free vector PDF, preserving full document layout and text structures (18.0/20) | 14 / 20 Clean unwatermarked export (8/8); Export spec: Two-page PDF (152.3 KB, no watermark, 90.82% reduction) |
| Processing speed | 11 / 15 Cloud compression engine completes in 19.98s and auto-triggers browser download (11.0/15) | 15 / 15 Network-observed server wait: 2.08s (API mode: cloud_pdfcompressor_cluster; network upload 0s / end-to-end 2.08s shown for reference only, never penalized) |
