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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 | hipdf.com | pdfcompressor.com | Switch / compare |
|---|---|---|---|
| PDF to Word | 70/100 DOCX · Output attached | Not tested in topic | Compare in task topic → |
| PDF compression | 86/100 PDF · Output attached | 79/100 PDF · Output attached | Active task |
| Scanned PDF OCR | 77/100 DOCX · Output attached | Not tested in topic | Compare in task topic → |
| PDF merge & split | 89/100 PDF · Output attached | Not tested in topic | Compare in task topic → |
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Browse this task →| Criterion | HiPDF PDF compression 86/100 Seven-aspect task score Wondershare's engine shrinks our 1.66 MB PDF by 96.79% to 53.2 KB while preserving 100% of selectable vector text, but holds the finished file behind a post-compression login modal when guests click Download. 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 | HiPDF web online PDF to Word tool (former /pricing page now returns 404) · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Web free account2026-10-21 ↗ Free Free Free Convert and download DOCX after signing in to a free Wondershare account; numeric daily and file-size limits are not listed on the page (uploaded files deleted within 60 minutes) 1 plan / billing-period records, all listed; — means that period is not recorded. The official tool page advertises free online conversion while /pricing returns 404 and header buttons promote desktop PDFelement; downloading the converted DOCX requires signing in to a free Wondershare account, and numeric daily or file-size limits are not published on the page. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancellation and refund terms follow official checkout and help policies. HiPDF official PDF to Word tool page ↗ · 2026-10-21 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 | Low/Medium/High presets selectable upfront, but downloading requires logging into a free account (subject to daily task limits) | 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 | Login modal only appears when clicking Download on the finished screen (04_download.png) | Homepage states 20-file batch limit; terms specify 1-hour deletion |
| Task quality | ||
| Measured fixture results | File reduction: 96.79% · Output size: 53.2 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 2-page PDF by 96.79% (53.2 KB output) while retaining 100% of selectable vector text and table cells. | 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 | HiPDF's backend engine delivers strong compression (-96.79%, down to 53.2 KB) with 100% vector text preservation, but unauthenticated guests are hit with a mandatory sign-in modal upon clicking Download (03_result.png, 04_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 already signed into a Wondershare account who want high-ratio (-96.79%) PDF compression with intact vector text | 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 (53.2 KB · -96.79% · watermark-free · login required at download) | Two-page PDF (152.3 KB, no watermark, 90.82% reduction) |
| Watermark observation | No watermark | No watermark |
| Batch & API | Batch compression and larger file limits available on Pro plans | 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: 9.26s · End-to-end reference: 23.59s | 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 | Account required in this test | No login in this test |
| Sign-in methods | Triggers mandatory Wondershare account login modal when clicking Download | Direct batch upload with zero login required |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Employs a classic post-compression login gate that waits until upload and processing finish before prompting guests to register or sign in. | Not verified |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Wondershare Online PDF Suite | PDF Compressor Team |
| Recorded origin | Shenzhen, China / Vancouver, Canada (Wondershare Technology) | Not verified |
| Domain history record | 2018–Present | Not verified |
| Background & reputation assessment | Operated by Wondershare Technology, maker of PDFelement. | 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 | Uses HTTPS transport and visitor-scoped tokens with scheduled server-side file deletion. | Not verified |
| Retention statement | Explicit retention period unconfirmed; inspect policy record | Claims deletion within 1 hours; deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 21 / 35 Allows unauthenticated guests to upload and run cloud compression, but clicking the Download button on the finished screen triggers an `if (!isLogin)` check that blocks export behind a mandatory Wondershare login modal (01_landing.png, 02_workspace.png, 03_result.png, 04_download.png). | |
| Interaction restraint | 18 / 30 Employs a classic post-compression login gate that waits until upload and processing finish before prompting guests to register or sign in. | |
| Background & reputation | ||
| Engineering & privacy | 13 / 15 Uses HTTPS transport and visitor-scoped tokens with scheduled server-side file deletion. | |
| Task quality | 65 / 65 Deterministic PDF stream inspection: compresses the 1,659.0 KB fixture down to 53.2 KB (54,448 bytes, -96.79% reduction, 31.20× ratio) while preserving 100.0% of selectable vector text (5 BT / 27 TJ), 4/4 headings, and 12/12 table cells (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 | 16.5 / 20 Produces a 53.2 KB watermark-free 2-page vector PDF, but gates the UI Download button behind mandatory account sign-in (16.5/20) | 14 / 20 Clean unwatermarked export (8/8); Export spec: Two-page PDF (152.3 KB, no watermark, 90.82% reduction) |
| Processing speed | 11.5 / 15 After file upload (14.33s), cloud compression completes in 9.26s (11.5/15) | 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) |
