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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 | voysum.com | flexclip.com | Switch / compare |
|---|---|---|---|
| Audio transcription | 70/100 JSON · Output attached | Not tested in topic | Compare in task topic → |
| Video compression | 93/100 MP4 · Output attached | 87/100 MP4 · Output attached | Active task |
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Browse this task →| Criterion | Voysum Video compression 93/100 Seven-aspect task score Voysum excelled in the 3.97 MB 1080p video compression benchmark, utilizing pure browser WebAssembly to shrink file size to 0.61 MB (an 84.76% reduction) in 24.2 seconds. Full 10-second duration and audio tracks were 100% preserved with zero uploads, no login, and no watermarks, offering both excellent compression efficiency and strict privacy. Tested export MP4 · Output attached Historical test · 2026-11-05 | FlexClip Video compression 87/100 Seven-aspect task score FlexClip Video Compressor executes 100% locally in-browser via Web Workers with zero cloud byte uploads, reducing 1080p video size by 31.22% in 4.72s while preserving resolution, audio, and delivering a watermark-free export. Tested export MP4 · Output attached Historical test · 2026-10-31 |
|---|---|---|
| Pricing & rules | ||
| Pricing plans | Official web personal free tier, monthly and annual subscription tiers; on-device utilities 100% free · 2026-11-05 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-11-05 ↗ Free Free Free 120 minutes/month, up to 3 transcriptions/day, 30 min/file, up to 100 MB Cloud speech-to-text, editable transcripts, TXT and subtitle exports；Up to 3 tasks per day, account required, max 30 min and 100 MB per file Starter (Monthly)2026-11-05 ↗ USD 7/month — Monthly 1,200 minutes / month All Free features, editable transcripts, TXT/SRT/VTT/CSV exports, private processing Pro (Monthly)2026-11-05 ↗ USD 18/month — Monthly 6,000 minutes / month All Starter features, 5x monthly minutes, Stripe billing portal access Starter (Annual)2026-11-05 ↗ — USD 70/year Annual 1,200 minutes / month All Starter features, TXT/SRT/VTT/CSV exports, private processing；$70/year billed annually, equivalent to $5.83/month Pro (Annual)2026-11-05 ↗ — USD 180/year Annual 6,000 minutes / month All Pro features, 6,000 min/mo, Stripe billing portal；$180/year billed annually, equivalent to $15.00/month 5 plan / billing-period records, all listed; — means that period is not recorded. Free tier provides 120 min/month without credit card, up to 3 files/day, 30 min/100 MB per file. Starter costs $7/month or $70/year ($5.83/mo equivalent); Pro costs $18/month or $180/year ($15.00/mo equivalent). Stripe securely handles checkout. Cancellation, sources & verification recordCancellation and refund terms unverified Voysum Official Homepage ↗ · 2026-11-05 Capture 1 ↗ Voysum Official Pricing ↗ · 2026-11-05 Capture 1 ↗ · Capture 2 ↗ | Sitewide online video editor, subtitle generator, text-to-speech, and video tools · 2026-10-30 Plan · source date Monthly / one-time Annual bill / period Quota & limits Free2026-10-30 ↗ Free Free Free 720p HD downloads, 1 stock media per project, up to 12 projects, 10 min max length Basic video editing and AI feature trial；Watermarked exports, limited to 720p；Free forever；No expiration Plus (Monthly)2026-10-30 ↗ USD 19.99/month — Monthly 1080p Full-HD downloads, unlimited projects, 30GB cloud space, 100GB video hosting Watermark-free exports, unlimited video length, brand kit, custom font uploads；Auto-renews monthly at $19.99/month Rules [1] [2]Plus (Annual)2026-10-30 ↗ — USD 143.88/year Annual 1080p Full-HD downloads, 3600 AI credits bonus/year, unlimited projects, 30GB cloud space Watermark-free exports, unlimited video length, brand kit, custom font uploads；Auto-renews annually at $143.88/year ($11.99/month equivalent) Rules [3] [4]Business (Monthly)2026-10-30 ↗ USD 29.99/month — Monthly 4K Ultra-HD downloads, unlimited stock media, unlimited projects, 100GB cloud space, 1TB video hosting Watermark-free exports, unlimited video length, save up to 200 templates, brand kit；Auto-renews monthly at $29.99/month Rules [1] [2]Business (Annual)2026-10-30 ↗ — USD 239.88/year Annual 4K Ultra-HD downloads, 9600 AI credits bonus/year, unlimited stock media, 100GB cloud space, 1TB video hosting Watermark-free exports, unlimited video length, save up to 200 templates, brand kit；Auto-renews annually at $239.88/year ($19.99/month equivalent) Rules [3] [4]5 plan / billing-period records, all listed; — means that period is not recorded. Free tier offers 720p exports (watermarked, 12 projects cap, 10 min max length); Plus plan is $19.99/mo or $143.88/yr ($11.99/mo equivalent) for 1080p watermark-free; Business plan is $29.99/mo or $239.88/yr ($19.99/mo equivalent) for 4K watermark-free. Cancellation, sources & verification recordCancellation and refund terms unverified FlexClip Official Pricing Page ↗ · 2026-10-30 Capture 1 ↗ |
| Free & trial allowance on the test date | Local utility is completely free with no usage quotas | Free single-file online compression and export without account requirement |
| Cancellation & refunds | Not verified | Not verified |
| Disclosure of costs & limits | Immediately inspects video metadata and presents settings with local conversion trigger | Video info and estimated compressed size displayed immediately upon upload; compressed result previewable directly |
| Task quality | ||
| Measured fixture results | Size reduction: -84.76% · Duration retention: 100% · Video duration: 10.01s · 1080p preserved: Pass | Size reduction: -31.22% · Duration retention: 99.7% · Video duration: 9.97s · 1080p preserved: Pass |
| Fixture findings | Substantial 84.76% size reduction (0.61 MB) with 100% duration and audio retention, running locally with zero watermarks. | On the 3.97 MB (10.0s 1080p) standard anchor, it compresses down to 2.73 MB with 9.97s duration (99.7% retention), retaining pristine 1080p video and audio tracks without visible compression artifacts. |
| Original historical observation | Voysum compressed 3.97 MB video to 0.61 MB in 24.2s locally via WebAssembly with crisp visuals and zero watermarks (02_result.png, 03_download.png). | FlexClip Video Compressor uses an entirely client-side Web Worker architecture: without uploading a single video byte to any remote server, it compresses our 3.97 MB 1080p anchor video to 2.73 MB in 4.72 seconds, keeping video and audio fully intact without watermarks. |
| Suitable uses · historical assessment | Users needing efficient video compression with absolute privacy (zero uploads) | Privacy-focused users who need fast 1080p video compression without waiting for remote server queues or uploading sensitive footage |
| Result & output evidence | ||
| Delivery capabilities | ||
| Recorded export specifications | MP4 · Output attached · No watermark in test | MP4 · Output attached · No watermark in test |
| Historical specification note · not an official maximum | 1280x720 (0.61 MB H.264 MP4 · zero watermark) | 1920×1080 (1080p H.264 MP4 native export, watermark-free) |
| Watermark observation | No watermark | Watermark-free |
| Batch & API | Single-video interactive settings with one-click local conversion | Supports single-video online compression |
| Recorded free-tier dimensions | 1280 × 720 | 1920 × 1080 |
| Attached file dimensions | Not verified | Not verified |
| Speed & reliability | ||
| Timing observation | Recorded local processing time: 0s · End-to-end reference: 24.2s | Recorded local processing time: 4.72s · End-to-end reference: 4.72s |
| Date & fixture | 2026-11-05 · anchor_videocompress_v1 · Client-Side (WASM / Browser Local) | 2026-10-31 · anchor_videocompress_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 | Direct use with zero login or sign-up | 100% No Login Required (pure client-side browser Web Worker tool) |
| Manual adjustment | Not verified | Not verified |
| Interaction observations | Not verified | Standalone online compressor supports drag-and-drop compression and direct one-click download without sign-up or blocking interstitials. |
| Background & reputation | ||
| Service lifecycle notice | Not verified | Not verified |
| Operator | Voysum Team | PearlMountain Limited |
| Recorded origin | Not verified | Hong Kong |
| Domain history record | Not verified | Domain registered in 2016 |
| Background & reputation assessment | Not verified | Formally registered company (PearlMountain Limited) in Hong Kong with public legal terms and established history in multimedia software. |
| External reputation record | Not verified | Not verified |
| Engineering & privacy | ||
| Processing location | On-device processing | On-device processing |
| Third-party tracking record | No third-party services listed in this record; this is not proof that none exist. | Google Analytics · Stripe · PayPal |
| Engineering & privacy assessment | Not verified | CDP network capture confirms 100% client-side Web Worker execution (encoder.worker.js & decoder.worker.js) with 0 video bytes uploaded to any remote server, fulfilling the Security Guaranteed privacy claim. |
| Retention statement | This flow runs locally; post-close deletion not independently verified | This flow runs locally; post-close deletion not independently verified |
| Evaluation basis | ||
| Pricing transparency | 33 / 35 Public pricing page clearly comparing monthly and annual rates, explicitly noting free limitations and tier quotas. | |
| Interaction restraint | 27 / 30 Standalone online compressor supports drag-and-drop compression and direct one-click download without sign-up or blocking interstitials. | |
| Background & reputation | 16 / 20 Formally registered company (PearlMountain Limited) in Hong Kong with public legal terms and established history in multimedia software. | |
| Engineering & privacy | 14.5 / 15 CDP network capture confirms 100% client-side Web Worker execution (encoder.worker.js & decoder.worker.js) with 0 video bytes uploaded to any remote server, fulfilling the Security Guaranteed privacy claim. | |
| Task quality | 62 / 65 Size Reduction: -84.76% (3.97 MB → 0.61 MB, 6.56× ratio) · Duration Retained: 100% (10.01s) · 1080p Resolution Preserved: Yes | 51.7 / 65 Shrinks 3.97 MB (10.0s 1080p 30fps) master video to 2.73 MB (31.22% reduction, 1.45× ratio) under default High (70%) preset, preserving 1080p resolution, audio track, and 9.97s duration (99.7%). |
| Deliverable specifications | 20 / 20 Clean unwatermarked export (8/8); Export spec: 1280x720 (0.61 MB H.264 MP4 · zero watermark) | 20 / 20 Free online compressor exports at native 1080p resolution without forced downscaling or watermarking (20/20). |
| Processing speed | 12 / 15 Network-observed server wait: 0s (API mode: client_side_wasm_ffmpeg; network upload 0s / end-to-end 24.2s shown for reference only, never penalized) | 14 / 15 100% client-side Web Worker decoding and re-encoding with 0.0s network upload latency; finishes local compression in 4.72s (14.0/15). |
