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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 | PDF24 Tools | pdfcompressor.com | Switch / compare |
|---|---|---|---|
| PDF to Word | 96/100 DOCX · Output attached | Not tested in topic | Compare in task topic → |
| PDF compression | 99/100 PDF · Output attached | 79/100 PDF · Output attached | Active task |
| Scanned PDF OCR | 98/100 PDF · Output attached | Not tested in topic | Compare in task topic → |
| PDF merge & split | 98/100 PDF · Output attached | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | PDF24 Tools PDF compression 99/100 Seven-aspect task score Completely free and login-free with adjustable DPI and quality; reduced the 1.66 MB 2-page PDF by 93.38% to 109.8 KB while retaining 100% selectable vector text and offering instant server deletion. Tested export PDF · Output attached Historical test · 2026-10-23 | 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 | PDF24 online PDF-to-Word · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Ad-supported free2026-10-20 ↗ Free Free Free The page states free access without limits; numeric page or file-size limits are not stated. 1 plan / billing-period records, all listed; — means that period is not recorded. The tool page explicitly states free, ad-supported access without limits. Arbitrarily large files and complex scans were not verified; no new performance test was conducted. Cancellation, sources & verification recordCancellation and refund terms follow official checkout and help policies. Official feature and pricing page ↗ · 2026-10-20 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 | 100% free and unlimited with no daily task or page caps | Completely free, batch upload up to 20 files per task |
| Cancellation & refunds | Cancellation and refund terms follow official checkout and help policies. | Completely free without subscription; no cancellation or refund terms needed. |
| Disclosure of costs & limits | Exposes adjustable DPI and image quality controls before compression with zero hidden paywalls | Homepage states 20-file batch limit; terms specify 1-hour deletion |
| Task quality | ||
| Measured fixture results | File reduction: 93.38% · Output size: 109.8 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 | Reduced the 1,659.0 KB fixture by 93.38% (109.8 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 | At default 144 DPI / 75% quality settings, PDF24 Tools compresses our 1.66 MB anchor PDF to 109.8 KB (-93.38%) in 1.09s while retaining all 27 native vector text operator blocks so typography remains razor-sharp at any zoom level (02_result.png, 03_download.png). | 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 completely free, unlimited PDF size reduction that preserves 100% sharp selectable vector text and Ctrl+F searchability | 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 (109.8 KB · -93.38% · watermark-free · adjustable DPI/quality) | Two-page PDF (152.3 KB, no watermark, 90.82% reduction) |
| Watermark observation | Watermark-free | No watermark |
| Batch & API | Supports multi-file batch PDF compression and ZIP download | 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: 1.09s · End-to-end reference: 1.59s | Network-observed server wait: 2.08s · End-to-end reference: 2.08s |
| Date & fixture | 2026-10-23 · 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 | No login in this test | No login in this test |
| Sign-in methods | 100% login-free direct compression and download | Direct batch upload with zero login required |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | No registration or email required, with clear DPI and image-quality controls upfront; a single clearly labeled static Advertisement banner sits below the result box without obstructing or mimicking the Download button. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Geek Software GmbH | PDF Compressor Team |
| Recorded origin | Berlin, Germany | Not verified |
| Domain history record | 2006–Present (20-year German PDF utility suite) | Not verified |
| Background & reputation assessment | Developed and maintained by Geek Software GmbH in Berlin, Germany since 2006, widely trusted across academic and enterprise workflows. | 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 | Complies with German and EU GDPR standards, offers an immediate "Erase" button on the result screen to wipe temporary server files, and provides the free offline PDF24 Creator desktop suite. | Not verified |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Claims deletion within 1 hours; deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 35 / 35 100% free with zero daily task limits, file-size paywalls, or post-compression upgrade traps. Uploading our 1.66 MB 2-page mixed text-and-image PDF without login compresses it in ~1.09s at default settings (144 DPI / 75% quality) with direct download and an instant server-wipe button (01_landing.png, 02_result.png, 03_download.png). | |
| Interaction restraint | 29 / 30 No registration or email required, with clear DPI and image-quality controls upfront; a single clearly labeled static Advertisement banner sits below the result box without obstructing or mimicking the Download button. | |
| Background & reputation | 19 / 20 Developed and maintained by Geek Software GmbH in Berlin, Germany since 2006, widely trusted across academic and enterprise workflows. | |
| Engineering & privacy | 15 / 15 Complies with German and EU GDPR standards, offers an immediate "Erase" button on the result screen to wipe temporary server files, and provides the free offline PDF24 Creator desktop suite. | |
| Task quality | 65 / 65 Deterministic PDF stream inspection: shrinks file size from 1,659.0 KB to 109.8 KB (-93.38%, 15.12× ratio) by recompressing embedded raster streams while preserving all 27 native vector text operator blocks (BT/TJ), 100.0% of headings (4/4), table cells (12/12), and the Page 2 verification 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 | 20 / 20 Exports a complete 2-page watermark-free standard PDF (109.8 KB) without login, with customizable DPI and image quality settings and zero daily quota caps (20.0/20) | 14 / 20 Clean unwatermarked export (8/8); Export spec: Two-page PDF (152.3 KB, no watermark, 90.82% reduction) |
| Processing speed | 14.5 / 15 Cloud compression worker (filetools12.pdf24.org/client.php?action=compressPdf) completes in 1.09s (14.5/15) | 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) |
