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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 | pdfcompressor.com | youcompress.com | Switch / compare |
|---|---|---|---|
| Image compression | Not tested in topic | 89/100 2048 × 2048 · PNG | Compare in task topic → |
| PDF compression | 79/100 PDF · Output attached | 78/100 PDF · Output attached | Active task |
| Video compression | Not tested in topic | 95/100 MP4 · Output attached | Compare in task topic → |
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Browse this task →| Criterion | 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 | YouCompress PDF compression 78/100 Seven-aspect task score 100% free with no login, processing in 2.07s and 100% preserving vector text and tables across both pages, though reducing size by only 0.05% to 1.62 MB. Tested export PDF · Output attached Historical test · 2026-11-04 |
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| Pricing & rules | ||
| Pricing plans | 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 ↗ | YouCompress 100% free web utility structure · 2026-10-30 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-30 ↗ Free Free Free 100% free without login, unlimited daily compressions, no watermarks Automated compression for videos, PDFs, MP3s, and PNG/JPG/GIF images 1 plan / billing-period records, all listed; — means that period is not recorded. All file compression utilities are 100% free without registration or usage quotas. Cancellation, sources & verification recordCancellation and refund terms unverified YouCompress Official Homepage ↗ · 2026-10-30 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free, batch upload up to 20 files per task | Not verified |
| Cancellation & refunds | Completely free without subscription; no cancellation or refund terms needed. | Not verified |
| Disclosure of costs & limits | Homepage states 20-file batch limit; terms specify 1-hour deletion | Not verified |
| Task quality | ||
| Measured fixture results | File reduction: 90.82% · Output size: 152.3 KB · Selectable text retained: 11.1% · Page 2 preserved: Yes | File reduction: 0.05% · Output size: 1658.1 KB · Selectable text retained: 100% · Page 2 preserved: Yes |
| Fixture findings | 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). | Perfect vector text selectability and table integrity without rasterization, but minimal compression strength (-0.05%); fast and login-free. |
| Original historical observation | 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). | Uploading the standard 1,659 KB two-page mixed PDF anchor (anchor_pdfcompress_v1) to YouCompress (https://www.youcompress.com/pdf/) completed in 2.07s on cloud servers, displaying Completed: Download (1.62MB => 1.62MB, -0.05%), exporting a 1,658.1 KB PDF preserving all 27 vector text operators and 2-page table structures. |
| Suitable uses · historical assessment | Users needing maximum file size reduction who do not require searchable or selectable vector text | Not verified |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | PDF · Output attached · No watermark in test | PDF · Output attached · Check watermark record |
| Historical specification note · not an official maximum | Two-page PDF (152.3 KB, no watermark, 90.82% reduction) | Complete 2-page native vector PDF (100% vector text and table structure preserved) |
| Watermark observation | No watermark | Not verified |
| Batch & API | Supports batch upload of up to 20 files with ZIP download | Not verified |
| Recorded free-tier dimensions | Not verified | Not verified |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Network-observed server wait: 2.08s · End-to-end reference: 2.08s | Network-observed server wait: 2.07s · End-to-end reference: 3.23s |
| Date & fixture | 2026-10-31 · anchor_pdfcompress_v1 · US-West (California, AS2914) | 2026-11-04 · 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 | No login in this test | Not verified |
| Sign-in methods | Direct batch upload with zero login required | Direct anonymous usage without login or registration |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | PDF Compressor Team | YouCompress |
| Recorded origin | Not verified | Not verified |
| Domain history record | Not verified | Not verified |
| Background & reputation assessment | Not verified | 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 | Google Ads · Google Analytics | Google AdSense · Google Analytics · Fathom Analytics |
| Engineering & privacy assessment | Not verified | Not verified |
| Retention statement | Claims deletion within 1 hours; deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | ||
| Interaction restraint | ||
| Background & reputation | ||
| Engineering & privacy | ||
| Task quality | 45 / 65 Size Reduction: -90.82% (1659 KB → 152.3 KB, 10.89× ratio) · Selectable Vector Text Retained: 11.1% · Page 2 Preserved: Yes | 38 / 65 Size Reduction: -0.05% (1659 KB → 1658.1 KB, 1× ratio) · Selectable Vector Text Retained: 100% · Page 2 Preserved: Yes |
| Deliverable specifications | 14 / 20 Clean unwatermarked export (8/8); Export spec: Two-page PDF (152.3 KB, no watermark, 90.82% reduction) | 20 / 20 Clean unwatermarked export (8/8); Export spec: Complete 2-page native vector PDF (100% vector text and table structure preserved) |
| Processing speed | 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) | 14 / 15 Network-observed server wait: 2.07s (API mode: sync_json_verified; network upload 1.15s / end-to-end 3.23s shown for reference only, never penalized) |
