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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 | pdfsetgo.com | FreePDFConvert | Switch / compare |
|---|---|---|---|
| PDF to Word | Not tested in topic | 89/100 DOCX · Output attached | Compare in task topic → |
| PDF compression | Not tested in topic | 93/100 PDF · Output attached | Compare in task topic → |
| PDF merge & split | 98/100 PDF · Output attached | 93/100 PDF · Output attached | Active task |
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Browse this task →| Criterion | PDF Set Go PDF merge & split 98/100 Seven-aspect task score PDF Set Go performed exceptionally in the two-file 3-page PDF merge benchmark, completing a lossless client-side concatenation in 3.1 seconds with instant Blob export. All 37 vector text operators and financial tables were 100% preserved with zero uploads, no login, and no watermarks, offering top-tier privacy and effortless usability. Tested export PDF · Output attached Historical test · 2026-11-05 | FreePDFConvert Merge PDF PDF merge & split 93/100 Seven-aspect task score First merge exports a watermark-free 3-page PDF without login in 0.38s server time, preserving 100% of vector text, tables, and page order with one-click deletion; free use is limited to one task per hour without page-level splitting. Tested export PDF · Output attached Historical test · 2026-10-26 |
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| Pricing & rules | ||
| Pricing plans | PDF Set Go site-wide free online tools · 2026-11-05 Plan · source date Monthly / one-time Annual bill / period Quota & limits 1 plan / billing-period records, all listed; — means that period is not recorded. All tools across the site are provided free of charge with no login, no quotas, and no export watermarks. Cancellation, sources & verification recordFree service without paid subscriptions or cancellation procedures. PDF Set Go Official Homepage ↗ · 2026-11-05 Capture 1 ↗ PDF Set Go Official Terms of Use & Free Policy ↗ · 2026-11-05 Capture 1 ↗ | FreePDFConvert USD web membership · 2026-10-20 Plan · source date Monthly / one-time Annual bill / period Quota & limits Web free allowance2026-10-20 ↗ Free Free Free Free conversion is available; consecutive tasks may require waiting or signup, with no exact allowance listed. 1-month membership2026-10-20 ↗ USD 8/month — Monthly Unlimited conversions, file size and 20+ tools; priority support. 12-month membership2026-10-20 ↗ — Annual price not verified Annual Page shows USD 5/month equivalent without an explicit annual bill; not extrapolated. Page shows USD 5/month equivalent without an explicit annual bill; not extrapolated. Lifetime2026-10-20 ↗ USD 120 · one-time payment Usage / one-time Usage / one-time USD 120 once; web membership is advertised as lifetime, with unlimited conversions and file size. 4 plan / billing-period records, all listed; — means that period is not recorded. Reloading confirmed USD 8 monthly and USD 120 once. The 12-month membership shows only USD 5/month equivalent without the full annual charge, so that bill remains unverified. Numeric free wait intervals, counts and size limits are not published. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancellation and refund terms follow official checkout and help policies. Official feature and pricing page ↗ · 2026-10-20 Capture 1 ↗ Official feature and pricing page ↗ · 2026-10-20 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free across all tools with zero file or task count limits | Free tier allows 1 login-free merge task per hour before triggering an hourly cooldown or PRO upgrade prompt |
| Cancellation & refunds | Free service without paid subscriptions or cancellation procedures. | Cancellation and refund terms follow official checkout and help policies. |
| Disclosure of costs & limits | Uploads render file lists immediately with move up/down ordering and instant merge download | First task exports directly without login; hourly cooldown appears on consecutive tasks |
| Task quality | ||
| Measured fixture results | Merged page count: 3 / 3 · Page order preserved: Yes · Selectable text retained: 100% | Merged page count: 3 / 3 · Page order preserved: Yes · Selectable text retained: 100% |
| Fixture findings | 100.0% vector text and table structures perfectly retained across 3 correctly ordered pages with zero raster degradation. | ConvertAPI losslessly merges both test PDFs (316.8 KB) into a 315.4 KB 3-page standard PDF in 0.38s, retaining 100% of 37 vector text streams and 12/12 table cells. |
| Original historical observation | PDF Set Go merged both test PDFs into a 3-page native vector document within 3.1s locally in the browser, fully preserving typography with zero watermarks (02_result.png, 03_download.png). | Powered by ConvertAPI, FreePDFConvert uploaded both PDFs in 0.81s and merged them in just 0.38s server time into a 315.4 KB 3-page PDF, keeping all 37 native vector text streams and cross-document page order 100% intact with a 1-click delete button on the download screen (02_workspace.png, 03_download.png). |
| Suitable uses · historical assessment | Users needing fast, lossless merging of multiple PDF documents with strict absolute privacy | Users who need an ultra-fast (0.38s), login-free lossless merge of multiple PDFs (or mixed Office/image files) with immediate manual cloud deletion |
| 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 3-page unwatermarked native vector PDF (316.1 KB · 100% vector retention) | Complete 3-page native vector merged PDF (315.4 KB · watermark-free · thumbnail preview & drag ordering) |
| Watermark observation | No watermark | Watermark-free |
| Batch & API | Supports multi-file up/down ordering and one-click clear | Supports multi-file thumbnail ordering, mixed Office/image merging, and enterprise ConvertAPI integration |
| Recorded free-tier dimensions | Not verified | Not verified |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 0s · End-to-end reference: 3.1s | Network-observed server wait: 0.38s · End-to-end reference: 1.76s |
| Date & fixture | 2026-11-05 · anchor_pdfmerge_v1 · Client-Side (Browser Local / JavaScript) | 2026-10-26 · anchor_pdfmerge_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% no sign-up required, direct local merge and export | No login required; supports Email and Google login |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Clean merge and download flow without third-party ad popups or fake download buttons, offering 1-click chaining to Compress or Protect. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | PDF Set Go | Baltsoft Software Ltd. (ConvertAPI) |
| Recorded origin | Not verified | Vilnius, Lithuania (est. 2005) |
| Domain history record | Not verified | 2005–Present |
| Background & reputation assessment | Not verified | Operated since 2005 by Baltsoft Software Ltd. (Vilnius, Lithuania), the company behind the enterprise ConvertAPI platform. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | Uploaded for cloud processing |
| Third-party tracking record | Google Ads | No third-party services listed in this record; this is not proof that none exist. |
| Engineering & privacy assessment | Not verified | 256-bit SSL transfer to ConvertAPI cloud nodes (v2.convertapi.com) with a trash-can icon on the download screen for immediate manual file deletion. |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 25 / 35 Within the free allowance, guests can upload both test PDFs (268.0 KB + 48.9 KB) without login, preview thumbnails, and click Merge PDF to receive a direct Download button in 0.38s for the complete 3-page watermark-free PDF (315.4 KB); however, the 1-task-per-hour free cooldown is not prominently disclosed upfront and annual pricing lists only the monthly average (01_landing.png, 02_workspace.png, 03_download.png). | |
| Interaction restraint | 25 / 30 Clean merge and download flow without third-party ad popups or fake download buttons, offering 1-click chaining to Compress or Protect. | |
| Background & reputation | 18.5 / 20 Operated since 2005 by Baltsoft Software Ltd. (Vilnius, Lithuania), the company behind the enterprise ConvertAPI platform. | |
| Engineering & privacy | 13.5 / 15 256-bit SSL transfer to ConvertAPI cloud nodes (v2.convertapi.com) with a trash-can icon on the download screen for immediate manual file deletion. | |
| Task quality | 65 / 65 Merged Page Completeness: 3/3 pages · Exact Page Sequence (P1→P2→P3): Yes · Selectable Vector Text Retained: 100% (12/12 table cells) | 65 / 65 Deterministic multi-document PDF stream check: uses the ConvertAPI merge engine (/convert/pdf/to/merge) to losslessly combine 2 test PDFs (3 pages total, 316.8 KB) into a 315.4 KB standard PDF with 3/3 pages in exact sequence (DOC1-P1 -> DOC1-P2 -> DOC2-P3), preserving all 37 native vector text operators (BT/TJ), 5/5 headings, and 12/12 financial table cells at 100.0% recall (65.0/65) |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: Full 3-page unwatermarked native vector PDF (316.1 KB · 100% vector retention) | 18 / 20 Exports a complete 3-page watermark-free standard PDF (315.4 KB) without login on the first task, supporting thumbnail zoom preview, drag-and-drop file ordering, and mixed Office/image merging; subject to a 1-task/hour free cooldown (18.0/20) |
| Processing speed | 15 / 15 Network-observed server wait: 0s (API mode: client_side_javascript_pdf_merge; network upload 0s / end-to-end 3.1s shown for reference only, never penalized) | 15 / 15 After clicking Merge PDF, the ConvertAPI endpoint (/convert/pdf/to/merge) completes server-side merging in just 0.38s (10:08:37.091Z → 10:08:37.475Z), with 0.81s parallel upload time (15.0/15) |
