Teacher
Runs in the browser · local-first
Give every explanation a place to stay
Excalicast keeps the shape of a walkthrough: canvas, voice, rhythm, and versions. After recording, it can still be shaped, exported again, and returned to a place you can search.
No download. No need to hand over the work.
Beyond capture, explanations become content.
Record
Canvas, voice, and timing stay in one structure.
Shape
Cuts, frames, and versions still belong to the same take.
Caption
Speech becomes text you can read, refine, and publish.
Publish
The same source can travel to different platforms.
Archive
What you explained returns to a place you can find.
How people use Excalicast
Architect
System maps and async review
Turn a whiteboard walkthrough into a reference the team can replay.
Product manager
Flows and team alignment
Keep roadmaps, user journeys, and decision context together.
Creator
Long-form and short-form publishing
Shape one recording into the formats each platform expects.
Course team
Captions, outlines, handouts
Generate learning material around the same recording.
Team
Onboarding and shared context
Put explained knowledge where the next person can find it.Record
From one walkthrough to a lasting structure
Excalicast records canvas events and microphone audio, not pixels. What remains is the explanation itself, not a screen recording interrupted by windows and alerts.
Open the recorderOrganize
From recorded once to used again
Timeline edits, frames, captions, and export settings stay together. The work after recording does not need a second workflow.
See the workflow02:14 / 08:46
16:99:161:14:5
Distribute
From one source to many places
The same recording can render as landscape, vertical, square, and social cuts. Platforms change; the source does not need to be recorded again.
Record once16:9Long video
9:16Shorts
1:1Feed
4:5Social
One recording can become every format your channels need.
Archive
Let the archive keep pace with the idea
Titles, tags, time, and local/cloud state become an index. What you explained is no longer scattered or left to memory.
Open the libraryMicroservices walkthrough
Cloud saved
Q3 product roadmap
Local first
User journey teardown
Cloud saved
API auth flow
Local first
Publish
Export to publish keep it to reuse
Captions, outlines, handouts, share links, and watermark-free exports all orbit the same recording. Before it leaves the workspace, it already has a home.
See publishing optionsExportCaptionsOutlineHandout
Watermarked exports stay with rendering. Upgrade to publish clean versions.
Pricing
Your rhythm, your way to publish
Record occasionally, or make it part of a daily content workflow. Start free, then upgrade when publishing and reuse matter.
Start
Keep the first explanation.
Free
Record · MP4 with watermark · PNG/SVG snapshot · local replay
$0foreverJust start
One-time unlock
Watermark-free MP4 · no account · re-export any ratio
$4.99per recordingBuy once
ExcalicastPLUS
Designed for publishing, reuse, and a growing content archive.
The important things, said first
Local-first recording, pricing, exports, captions, and cloud backup — explained without making you hunt.
What is Excalicast?
Excalicast is a browser-based whiteboard recorder built on Excalidraw. It captures your hand-drawn canvas plus voice and produces up to four publishable assets from a single recording: an MP4 video, auto SRT captions, an auto chapter outline, and a Markdown / PDF handout.
Is it free? Do I need an account?
Yes. The free tier records unlimited length and exports a watermarked MP4 with no sign-up. A one-time payment of $4.99 lifts the watermark for a recording; Pro and Max monthly plans add auto captions, cloud backup, AI handouts and share links.
Why whiteboard recording instead of screen recording?
Excalicast records the canvas event stream — every stroke, shape and move — not pixels off your screen. Other windows, system notifications, and even minimizing the browser don't pollute the final video. Loom and OBS record pixels; we record events.
Does my recording leave my device?
By default, no. Recordings live in your browser's IndexedDB and the MP4 renders locally. Only opt-in features briefly use the network: captioning (audio sent to Alibaba Qwen ASR, then deleted), cloud backup (Pro/Max), and share links (Max — sends events, not the MP4).
What aspect ratios are supported?
Landscape (16:9, 4:3, 21:9, 16:10, 3:2), portrait (9:16, 4:5, 3:4, 2:3), square (1:1), and fully custom pixel dimensions. The crop frame locks at recording start, so the same take exports to any ratio without reframing.
How do I contact support?
Email support@excalicast.cn — a real human responds within 24 hours on business days. No chatbots, no ticketing labyrinth.
Make the next explanation useful long after it is spoken
Record, shape, export, share, and archive from one Excalicast workspace.