Turn slides
into subscribers — the shortest path
Drag in a deck, say one idea — AI writes the narration, voices it, cuts the video, and drafts cover, title and tags. A publish-ready bundle for B站 / YouTube in 10 minutes.
- AI-written narration
- Natural AI voiceover
- One-click video render
- Key-point deck scan
AI-written narration · Natural AI voiceover · One-click video render · Key-point deck scan
Drop PPT → AI Writes & Voices → One-Click Video
From PPT to platform publish ≤ 20 minutes
12 steps grouped into 3 stages. Every step is AI-assisted — you only need to drag and type.
3 个阶段，12 步流程，每个环节都有 AI 加持
Features built for content creators
Every feature targets the same goal: get your video on a platform and grow subscribers
AI Script Studio
3-pane IDE layout: slide thumbnails + PPT/script dual-pane + Inspector. Streaming typewriter, partial rewrite, Diff view, accept/reject, ⌘K command palette — write video scripts like you write code in Cursor.
40+ Chinese · 16 English AI Voices
Powered by Seed-TTS 2.0, covering knowledge, business/finance, lifestyle, and special categories. From steady male lecturer to crosstalk support, each with emotion and speed control (0.5x-2.0x). Char-level timestamp, sub-second single-line audition, SHA256 audio caching for instant replay.
AVFoundation Native Render
No 3rd party deps. Audio-video sync (per-page script→TTS→wav→char-level timestamp), Ken Burns, gradient transitions, hard-subtitle, 4K/HDR. Free 720p, paid 1080p/4K.
Publish Center · Moat
More than a single mp4 — AI generates 5 title candidates (with CTR notes), 3-5 covers (per-platform template), 200-500 char description, chapter timestamps, platform tag library. One-click export bundle or auto-upload with auth.
On-Device + BYOK
No account, no cloud, no telemetry. PPT/script/video always on local disk. Volc API Key in macOS Keychain, released after use. Uninstalling App wipes all data. AI cost user-paid, ¥0.40/10min video.
4 Multi-Host Modes
Expert+Q&A / Dual-host broadcast / Crosstalk knowledge / Audience Q&A. Each script segment has role dropdown, drag to reassign. Built for podcasts, weekly briefings, review videos.
6 Platform Targets
B站长视频, YouTube, YouTube Shorts, 抖音, 视频号, podcast audio. Lock platform at project creation — full pipeline optimizes for it: dimensions, duration, cover, title length, tag library, SEO template.
Apple Native Experience
SwiftUI + SwiftData + AVFoundation. Universal Drag-Drop, Share Extension, Spotlight, Quick Look, full ⌘K command palette, dark-mode first-class, prefers-reduced-motion full responsive, VoiceOver full support.
Version & Rollback
Auto snapshot on every generation and major edit. ⌘Z infinite undo, AI output also undoable. Version history with diff view. Script changes recoverable, dead-ends don't matter.
Publish Center: the last mile from "Export" to "Publish"
All competitors stop at "export an mp4". SlideTalk's Publish Center turns your video into a complete, growth-optimized release package for B站, YouTube.
AI Cover Generator
3-5 candidates, per-platform template: B站 3:2 / YouTube 16:9 / Shorts 9:16 / 视频号 3:4. High-contrast bold title and brand palette.
AI Title Optimizer
5 candidates at once, each with CTR notes (length, keywords, curiosity index, contrast phrasing). B站 80-char, YouTube 100-char auto-check.
Description / Show Notes
200-500 chars, keyword density optimized, chapter timestamps, social hooks. YouTube auto-generates English description. Podcast generates Show Notes with links.
Smart Tag Suggestions
5-15 recommended tags per platform. B站 combines section + trending, YouTube does SEO long-tail, 抖音/视频号 outputs #topic format.
Auto Chapter Generation
AI segments by script semantics, generates timestamps + chapter titles. Direct copy to B站分P, YouTube chapters, podcast playlist.
Export or One-Click Upload
v1.0 exports complete bundle to local folder. v1.5 connects B站开放平台 + YouTube Data API, auto-upload after auth, auto-retry 3x on failure.
Three types of creators, three kinds of joy
Xiaolin, 24, grad student
B站 knowledge newbie
Wants 3 CS postgrad videos per week, but self-recording 8 mins takes 5-6 hours.
Drop course PPT into SlideTalk → say "for postgrad students" → 15 mins later, video + cover + title + B站 tags, one-click publish.
“Saved 3 days a week, started a new column.”
Chen, 38, finance blogger
200K WeChat fans, going YouTube
200K WeChat followers, wants YouTube Chinese finance, can't edit or appear on camera.
Drop research PPT in → use "Dual-host finance" mode → AI generates 12-min video with chapters + YouTube SEO title and description.
“Versus ¥500+/yr CapCut Pro, I pay ¥129 once for life.”
Daxiong, 31, fitness creator
50K 小红书 fans expanding to B站
Want to reuse 小红书 posts on B站 without redoing video.
Convert posts to PPT, drop in → pick "humor style" → get B站 video + cover template directly.
“Start with ¥129, upgrade to Pro after going viral.”
One-time purchase, lifetime use No subscriptions
Free version has full features — try everything, then pay for export quality + platform output
Free
Full experience, social sharing
- Full features available
- Max 720p video export
- 42 Chinese + 16 English voices
- 4 narration modes
- 1 AI cover per project
- 3 AI title candidates
- Max 30 min per video
- Subtitle burn-in
- SlideTalk watermark
- 1080p / 2K / 4K export
Flagship
One-time purchase · Lifetime
- 1080p / 2K / 4K ultra-clear
- No watermark
- 42 Chinese + 16 English voices
- Unlimited AI covers
- 20 AI title candidates
- No duration limit
- Subtitle burn-in + segment render
- 4 narration modes
- Free future version updates
- Shared across Macs with same Apple ID
Purchase Terms
One-time purchase, lifetime use. Free future version updates, shared across Macs with same Apple ID. No subscription, no hidden fees.
What you might ask
Download SlideTalk Make your first video in 5 minutes
SlideTalk is a cross-platform app that turns your PPT into finished B站, YouTube, and 视频号 videos. Drag in PPT, say an idea, AI writes narration, voices it, composes the video, generates cover/titles/tags — a full release bundle in 10 minutes. Fully on-device, no account, one-time purchase.