PDF24 Tools · PDF compression
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.
US-West (California, AS2914)
PDF · Output attached · Open native file ↗
Subsequent pricing and service checks are shown separately without altering historical scores.
One run does not establish all complex scenes, untested paid maxima or long-term uptime.
Plans & historical pricing
PDF24 online PDF-to-Word · 2026-10-20
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 record
Cancellation and refund terms follow official checkout and help policies.
Official feature and pricing page ↗ · 2026-10-20 Capture 1 ↗
Pricing recorded on the test date · 2026-10-23
Completely Free ($0 for both web tools and Windows desktop creator)
Ad-supported free model with zero paid tiers or feature locks
Historical context only; not current purchase guidance.
Delivery & access
- Free delivery record
- Full 2-page watermark-free vector PDF (109.8 KB, -93.38% reduction)
- Watermark
- Watermark-free
- Free allowance
- 100% free and unlimited with no daily task or page caps
- Account requirements
- 100% login-free direct compression and download
- Maximum specification record
- Full 2-page native vector PDF (109.8 KB · -93.38% · watermark-free · adjustable DPI/quality)
May include advertised capabilities; this does not establish a tested paid tier.
- Batch & API
- Supports multi-file batch PDF compression and ZIP download
- Manual refinement
- Not recorded or not verified
Tested result & sample
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).
- Fixture
- anchor_pdfcompress_v1
- Recorded environment
- US-West (California, AS2914)
- Network-observed server wait
- 1.09 s
- End-to-end reference
- 1.59 s
Network wait includes round trips, queuing and polling error, not pure inference time. Local timings depend on the device; repetition counts are not standardized in legacy records.
Experience, rules & trust
- Disclosure
- Exposes adjustable DPI and image quality controls before compression with zero hidden paywalls
- Interaction
- 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.
- Entity record
- Geek Software GmbH
- Origin
- Berlin, Germany
- Domain history record
- 2006–Present (20-year German PDF utility suite)
- Third-party tracking record
- No third-party services listed in this record; this is not proof that none exist.
- External information
- Not recorded or not verified
- Processing
- German GDPR-compliant cloud compression cluster (plus 100% offline PDF24 Creator desktop app)
- Retention statement
- Provides an instant "Erase" button on the result screen to wipe server files immediately, with automatic short-term purge
A recorded statement does not verify deletion or all data-processing behavior.
Verifiable audit trail & evidence
Four SHA-256-verified stages link the benchmark fixture, same-run interface screenshots, native exported artifact and archived pricing sources.
anchor_pdfcompress_v1 · Inspect fixture & file inspector →
Captures entry rules, result view and export disclosure.
Screenshots, native output and official claims support different conclusions. Evidence grades are not product safety certifications.
Evaluation basis & full scores · Overall 99.1/100
Overall = honesty & reputation × 30% + capability × 70%. Component maxima follow this report’s rubric. List scores are rounded for display; original precision is retained here.
Scoring version 2.3.1 · Test fixture anchor_pdfcompress_v1
Honesty & reputation · 98/100 · 30%
| Criterion | Score | Rationale | 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). | Evidence A → |
| 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. | Evidence A → |
| Background & reputation | 19 / 20 | Developed and maintained by Geek Software GmbH in Berlin, Germany since 2006, widely trusted across academic and enterprise workflows. | Evidence A → |
| 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. | Evidence A → |
Capability · 99.5/100 · 70%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| 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) | Evidence A → |
| 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) | Evidence A → |
| Processing speed | 14.5 / 15 | Cloud compression worker (filetools12.pdf24.org/client.php?action=compressPdf) completes in 1.09s (14.5/15) | Evidence A → |
Legacy scores may include advertised maximum capabilities. Read tested output separately from paid capabilities. Records without matching tiers and scope are not ranked together.
Revisions & corrections
- 2026-10-23
Initial PDF stream compression ratio and selectable vector text retention benchmark on Mode A document anchor (anchor_pdfcompress_v1).