🎞️ SlideReel
no upload · 100% private
Browser-based slideshow video maker — convert images + music into high-quality video.
Zero uploads, zero watermark, zero cost. Everything rendered locally.
Why SlideReel changes the game
🔒 100% private — no server
🎬 HD 720p / 1080p
🌀 Fade, slide, zoom transitions
🎵 MP3 background music
📱 mobile friendly
⚙️ no install · no account
- No watermark
- Multiple aspect ratios (16:9, 1:1, 9:16)
- Drag to reorder
- Unlimited images (device limits apply)
- Progress indicator + download as WebM
🛡️ Your media never leaves this device. SlideReel uses HTML5 Canvas, MediaRecorder API, and Web Audio API to render the entire video in your browser.
No file is uploaded — ensuring privacy, speed, and offline capability after load.
How to create a slideshow
1️⃣ Add Images – select photos (JPG/PNG). You can add up to 20–30 smoothly, but no hard limit.
2️⃣ Arrange order – drag thumbnails into your preferred sequence.
3️⃣
Customize – choose:
- ⏱️ Slide duration & transition length
- 📐 Resolution (720p / 1080p) & aspect (16:9, 1:1, 9:16 for Reels/Shorts)
- 🌀 Effect: Fade, Slide, Zoom
4️⃣ Optional background music – upload an MP3 file (rights-free recommended).
5️⃣ Render – click “Render Slideshow”. Live progress shows percentage and spinner.
6️⃣ Wait – rendering time depends on image count, resolution, and transition complexity.
7️⃣ Download – save WebM video locally. Done.
💡 Offline tip: after page loads, you can disconnect from internet — everything keeps working.
👥 Perfect for
🎓 students
📱 social creators
📸 photographers
🏪 small business
▶️ YouTubers
🎉 event memories
📈 digital marketers
🧑💻 web enthusiasts
🎨 designers
- 🧑🎓 Students – project presentations, slideshows
- 📱 Creators – TikTok, Reels, Shorts (9:16 portrait)
- 📸 Photographers – client previews, portfolio clips
- 🏪 Small business owners – product ads, quick videos
- ▶️ YouTubers – intros, outros, compilation videos
- 🎉 Event planners – wedding/birthday memory reels
❓ Frequently Asked Questions
1. Is SlideReel truly free? No hidden costs or watermarks?
Absolutely free. No premium, no watermark, no registration. Just a browser tool.
2. Where are my images uploaded?
Nowhere. The whole process runs locally; images never leave your computer/phone. 🛡️
3. What video format do I get?
Standard WebM (VP8/VP9 video + Opus audio). Compatible with most players and editors.
4. Can I add my own music?
Yes, MP3 upload is supported. Audio is mixed in real-time using Web Audio API.
5. Watermark or logo added?
No watermark at all — your video is clean, just your images.
6. Mobile performance?
Works on modern mobile browsers. Heavy 1080p rendering may be slower, but it's possible.
7. Maximum number of images?
No hard cap; performance depends on RAM/CPU. For smooth use we suggest up to 30 images.
8. Can I reorder after upload?
Yes, drag & drop reordering is built-in.
9. What if I close the tab during render?
Rendering stops and progress is lost — best to let it complete.
10. Aspect ratios for Instagram / TikTok?
Yes, you can pick 9:16 portrait mode (1080x1920) for Shorts/Reels.
⚙️ Under the hood
Canvas 2D
MediaRecorder API
Web Audio API
Blob & URL
no server
offline capable
Canvas draws images & transitions. MediaRecorder captures the stream to create a WebM file.
Web Audio mixes optional music. Everything stays in your browser — no upload, no privacy leak.
After the page loads, you can even go offline and still render.
🌀 fade
➡️ slide
🔍 zoom
16:9
1:1
9:16
Zero-knowledge design: because no data is sent, there’s no server-side log or copy. Your slideshow is created and stays on your machine.