PDF Compressor
Free, login-free online PDF compressor and format converter supporting up to 20 files in batch
Product node overview & trust baseline
Operator provenance, privacy baseline and site-wide pricing belong directly to the product node and are inherited across linked task edgesPDF Compressor is an established free online document tool within the CombinePDF and PDF2Doc network. It offers a friction-free, accountless batch compression workflow: users can drag and drop up to 20 PDF files simultaneously for automated compression, downloading results individually or as a single ZIP archive. The platform operates on a 100% free, ad-supported model without paywalls or subscriptions. All uploaded documents and processed deliverables are strictly purged from servers within 1 hour.
Global Web Utility Network · Established network operating alongside CombinePDF and PDF2Doc
Provenance baseline: 16/20 · Established network operating widely used utilities (CombinePDF, PDF2Doc, JPG2PDF) with clear terms and 1-hour auto-deletion.
Official site explicitly states all features are free, supporting up to 20 files at once with zero paywalls.
Pricing transparency baseline: 35/35 · Cancellation: Completely free without subscription; no cancellation or refund terms needed.
Submitted data and generated files are kept for at most 1 hour and then permanently deleted
Google Ads · Google Analytics
Product-level pricing & rules baseline
Verified plans, billing periods and cancellation terms owned by this product node; task-specific credit costs and free export limits are detailed per capability edge belowPDF Compressor web batch compression tool · 2026-10-31
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 record
Completely free without subscription; no cancellation or refund terms needed.
Official homepage and compression workspace ↗ · 2026-10-31 Capture 1 ↗
Archived official pricing sources: Official homepage and compression workspace (2026-10-31) [text snapshot ↗]
Capability map & linked task edges
Whenever a capability passes fixed-fixture testing, an edge is automatically linked between this product node and the task topic for horizontal comparison.
| Linked task edge | Score | Assessment · historical test | Test scope & delivery | Inspect capability / follow edge |
|---|---|---|---|---|
| PDF compression | 79/100 | 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. | PDF · Output attached Historical test · 2026-10-31 Guest flow · 2-page text & image PDF (1.66 MB) · Output attached |
Tested task edges (with scores and native artifacts) are strictly separated from discovered untested capabilities (unscored).
Peer product comparison across shared task edges
Matched by overlapping tested task edges; compare site-wide billing models alongside per-task benchmark scoresMonthly and annual modes confirm annual bills USD 72 / 180. Current PDF Unlimited and all-tool TinyWow Unlimited replace the historical Supporter description. Other single-category subscriptions do not include PDF. Numeric free limits and cancellation terms remain unspecified.
- PDF compression：PDF Compressor 79/100 vs TinyWow 93/100
The official tool page states free, unlimited conversion. Numeric size and page limits are not published; the claim is not a guarantee for arbitrary files.
- PDF compression：PDF Compressor 79/100 vs 11zon 75/100
The official pricing page offers a Free tier (2 actions per 6 hours, 128 MB file limit) and an annual AvePDF Premium tier billed once at USD 55/year, with no standalone monthly plan.
- PDF compression：PDF Compressor 79/100 vs avepdf.com 95/100
Confirmed 75 package and 73 monthly subscription capacities; subscriptions start at 1,000 credits. The table says 10 free credits/day while the footer says 10 conversions/day; this conflict does not establish 10 PDFs. PDF-to-Office has a 4-credit base and longer processing incurs more, replacing the historical mixed minutes/count description.
- PDF compression：PDF Compressor 79/100 vs CloudConvert 98/100
Linked capability test: PDF compression
2026-10-31 · Native output attached. Findings cover the recorded fixture and conditions; paid specifications may be untested.
Verified native export & same-run screenshot evidence
Open native exported file (PDF · Output attached) ↗
Task quality
File reduction 90.82% · Output size 152.3 KB · Selectable text retained 11.1% · Page 2 preserved Yes
Detailed facts & historical record
- Measured fixture results
File reduction: 90.82% · Output size: 152.3 KB · Selectable text retained: 11.1% · 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).
- 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).
- Suitable uses · historical assessment
Users needing maximum file size reduction who do not require searchable or selectable vector text
- Result & output evidence
Delivery capabilities
PDF · Output attached · No watermark in test
Detailed facts & historical record
- Recorded export specifications
PDF · Output attached · No watermark in test
- Historical specification note · not an official maximum
Two-page PDF (152.3 KB, no watermark, 90.82% reduction)
- Watermark observation
No watermark
- Batch & API
Supports batch upload of up to 20 files with ZIP download
- Recorded free-tier dimensions
Not verified
- Attached file dimensions
Not verified
Speed & reliability
About 2.08s end to end in this run; reliability not retested
Detailed facts & historical record
- Timing observation
Network-observed server wait: 2.08s · End-to-end reference: 2.08s
- Date & fixture
2026-10-31 · anchor_pdfcompress_v1 · US-West (California, AS2914)
- Repeated tests & reliability
No standardized repetition count, success rate or variability range is recorded.
Interaction experience
No login in this run
Detailed facts & historical record
- Account requirements
No login in this test
- Sign-in methods
Direct batch upload with zero login required
- Manual adjustment
Not verified
- Interaction observations
Not verified
Background & reputation
PDF Compressor Team · Long-term reputation not independently verified
Detailed facts & historical record
- Service lifecycle notice
Not verified
- Operator
PDF Compressor Team
- Recorded origin
Not verified
- Domain history record
Not verified
- Background & reputation assessment
Not verified
- External reputation record
Not verified
Engineering & privacy
Uploaded for cloud processing；Claims deletion within 1 hours; deletion not independently verified
Detailed facts & historical record
- Processing location
Uploaded for cloud processing
- Third-party tracking record
Google Ads · Google Analytics
- Engineering & privacy assessment
Not verified
- Retention statement
Claims deletion within 1 hours; deletion not independently verified
Task free allowance & pricing disclosure
Completely free, batch upload up to 20 files per task
Homepage states 20-file batch limit; terms specify 1-hour deletion
Site-wide plans belong to the product node (see Product-level pricing baseline ↑).
Expand site-wide plans aligned for PDF compression (1 records)
PDF Compressor web batch compression tool · 2026-10-31
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 record
Completely free without subscription; no cancellation or refund terms needed.
Official homepage and compression workspace ↗ · 2026-10-31 Capture 1 ↗
Evaluation basis & full scores · Overall 79.4/100
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 · 92/100 · 30%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| Pricing transparency | 35 / 35 | Explanation unavailable | Evidence A → |
| Interaction restraint | 28 / 30 | Explanation unavailable | Evidence A → |
| Background & reputation | 16 / 20 | Explanation unavailable | Evidence A → |
| Engineering & privacy | 13 / 15 | Explanation unavailable | Evidence A → |
Capability · 74/100 · 70%
| Criterion | Score | Rationale | Basis |
|---|---|---|---|
| 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 | Evidence A → |
| Deliverable specifications | 14 / 20 | Clean unwatermarked export (8/8); Export spec: Two-page PDF (152.3 KB, no watermark, 90.82% reduction) | Evidence A → |
| 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) | 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.
Developer & citation kit · Claim updates, request benchmarks & embed verified badges
Product developers and writers can embed these SVG badges in official websites, GitHub READMEs or documentation, or use the channels below to sync product-wide plans and capabilities.
[](https://realtest.org/tools/pdfcompressor.com/) <a href="https://realtest.org/tools/pdfcompressor.com/"><img src="https://realtest.org/badges/pdfcompressor.com.svg" alt="PDF Compressor — RealTest" height="24" /></a> 
[](https://realtest.org/tools/pdfcompressor.com/#feature-pdf-compress)