See your options side by side
Choose one task and 2–4 tools. Compare pricing, output, test results and trust.
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 | lightpdf.com | Switch / compare |
|---|---|---|---|
| PDF to Word | Not tested in topic | 78/100 DOCX · Output attached | Compare in task topic → |
| PDF compression | Not tested in topic | 88/100 PDF · Output attached | Compare in task topic → |
| Scanned PDF OCR | Not tested in topic | 82/100 DOCX · Output attached | Compare in task topic → |
| PDF merge & split | 98/100 PDF · Output attached | 90/100 PDF · Output attached | Active task |
Select at least 2 tools to compare
You can also filter a task page first, then compare your shortlist.
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 | LightPDF PDF merge & split 90/100 Seven-aspect task score Requires a signed-in free account and places a prominent "Download App" desktop installer button beside "Download PDF File" on the result screen; merges our fixture in 2.06s server wait into a 316.4 KB 3-page watermark-free PDF with 100% page order and vector text retention. Tested export PDF · Output attached Historical test · 2026-10-25 |
|---|---|---|
| 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 ↗ | LightPDF Individual Free, Monthly, Annual and Perpetual plans; Team & Business and Education tabs priced separately · 2026-10-21 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free Plan2026-10-21 ↗ Free Free Free Web only; max file size 10 MB, 1-year cloud storage for up to 5 files; downloading converted DOCX requires signing in to a free account Monthly Plan2026-10-21 ↗ USD 19.99/month — Monthly 1-month full access to all PDF tools across Web, Mobile and Desktop, unlimited file size, plus 1,000 AI credits/month Promotional price USD 19.99/month (strikethrough USD 29.99), billed monthly, cancel anytime；Unused AI credits expire monthly Annual Plan2026-10-21 ↗ — USD 49.99/year Annual 1-year full access to all PDF tools across 5 platforms (1 active device at a time), unlimited file size, plus 1,000 AI credits/month 3-day free trial then USD 49.99/year (strikethrough USD 89.99; skipping trial saves USD 5)；1,000 AI credits per month expire monthly Perpetual Plan (Lifetime)2026-10-21 ↗ USD 109.99 · one-time payment Usage / one-time Usage / one-time One-time payment for lifetime access to all PDF tools across 5 platforms, unlimited file size, plus 40,000 AI credits 40,000 AI credits granted instantly and valid until used 4 plan / billing-period records, all listed; — means that period is not recorded. Individual pricing lists Free, Monthly USD 19.99, Annual USD 49.99 (with 3-day trial or $5 skip-trial discount), and Perpetual USD 109.99; per-feature AI credit deductions require hover tooltips and enterprise plans require custom quotes. Verification has gaps; unknown prices and quotas are not inferred. Cancellation, sources & verification recordCancel recurring subscriptions via support ticket or payment platform email link; money-back guarantee is 30 days for Perpetual, 7 days for Annual, and 3 days for Monthly. LightPDF official Individual pricing page ↗ · 2026-10-21 Capture 1 ↗ |
| Free & trial allowance on the test date | Completely free across all tools with zero file or task count limits | Free accounts receive a limited trial allowance before requiring a VIP subscription |
| Cancellation & refunds | Free service without paid subscriptions or cancellation procedures. | Cancel recurring subscriptions via support ticket or payment platform email link; money-back guarantee is 30 days for Perpetual, 7 days for Annual, and 3 days for Monthly. |
| Disclosure of costs & limits | Uploads render file lists immediately with move up/down ordering and instant merge download | Landing page downplays login and quota requirements while the backend API enforces account auth |
| 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. | Merged 2 multi-page anchor PDFs (3 pages total, 316.8 KB) into a 316.4 KB watermark-free standard PDF with 3/3 pages in exact cross-document sequence (DOC1-P1 -> DOC1-P2 -> DOC2-P3) and 100% retention of all 37 native vector text operator blocks, 5/5 headings, and 12/12 financial 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). | LightPDF merges the 2-page main report and 1-page appendix into a 316.4 KB 3-page PDF in 2.06s while preserving all 37 native vector text streams and embedded figures (result.png, download.png). |
| Suitable uses · historical assessment | Users needing fast, lossless merging of multiple PDF documents with strict absolute privacy | Requires a signed-in free account and places a prominent "Download App" desktop installer button beside "Download PDF File" on the result screen; merges our fixture in 2.06s server wait into a 316.4 KB 3-page watermark-free PDF with 100% page order and vector text retention. |
| 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) | Full 3-page native vector merged PDF (316.4 KB · watermark-free · requires login) |
| Watermark observation | No watermark | Watermark-free |
| Batch & API | Supports multi-file up/down ordering and one-click clear | Supports multi-PDF ordering and merging, plus desktop apps and developer APIs |
| 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: 2.06s · End-to-end reference: 3.3s |
| Date & fixture | 2026-11-05 · anchor_pdfmerge_v1 · Client-Side (Browser Local / JavaScript) | 2026-10-25 · 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 | Account required in this test |
| Sign-in methods | 100% no sign-up required, direct local merge and export | Requires account login (Google or email) |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | On the completion screen, places a prominent blue "Download App" desktop installer button right next to "Download PDF File" to upsell its desktop client. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | PDF Set Go | AI Document Tool Suite (Wangxu Tech / Apowersoft) |
| Recorded origin | Not verified | Jurisdiction not publicly specified |
| Domain history record | Not verified | Publicly operating online service |
| Background & reputation assessment | Not verified | Developed and operated by Wangxu Technology / Apowersoft, an established multimedia and document software vendor. |
| 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 | Uses HTTPS cloud storage transfers with account-level cloud file management and deletion. |
| Retention statement | This flow runs locally; post-close deletion not independently verified | Explicit retention period unconfirmed; inspect policy record |
| Evaluation basis | ||
| Pricing transparency | 24 / 35 Markets free online PDF merging on its landing page, but task execution is tied to its authenticated cloud task API (gw.aoscdn.com/app/lightpdf/v2/tasks/utility) with trial quota limits (landing.png, result.png, download.png). | |
| Interaction restraint | 21 / 30 On the completion screen, places a prominent blue "Download App" desktop installer button right next to "Download PDF File" to upsell its desktop client. | |
| Background & reputation | 15 / 20 Developed and operated by Wangxu Technology / Apowersoft, an established multimedia and document software vendor. | |
| Engineering & privacy | 13 / 15 Uses HTTPS cloud storage transfers with account-level cloud file management and 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-PDF stream inspection: merges our 2 anchor PDFs (3 pages total, 316.8 KB) into a 316.4 KB standard PDF with exact 3/3 page count, 100% sequential page-order token verification (DOC1-P1 -> DOC1-P2 -> DOC2-P3), and 100.0% retention of all 37 native vector text operator blocks (BT/TJ), 5/5 headings, and 12/12 cross-document financial table cells (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) | 17.5 / 20 Exports a complete 3-page watermark-free standard PDF (316.4 KB) under a signed-in free account, supporting file ordering and multi-file addition (17.5/20) |
| 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) | 14 / 15 Cloud utility task (gw.aoscdn.com/app/lightpdf/v2/tasks/utility) completes in 2.06s server wait (14.0/15) |
