Voice Preview
Voice Preview turns development docs into high-quality audio (English/Japanese).
Now with MCP support for seamless AI agent workflows.
Hear It in Action
Hear how Voice Preview fits your workflow.
One click to read your documents.
- Start faster: Get the key points upfront.
- Stay focused: Minimize context switching and screen fatigue.
- Move freely: Listen on wireless earbuds away from your desk.
MCP Integration
HTML Speed Viewer integrates with MCP, allowing it to work closely with AI agents. When a task is completed, the agent automatically plays an audio summary. By combining this with voice input, you can check and instruct without stopping, achieving an interactive and intuitive development experience.
No upfront card registration is required, so you can get started with peace of mind.
Multi-Preview
Launch multiple previews simultaneously for
various file formats (HTML, XHTML, PHP, Markdown, etc.).
Display development documents and work previews side by side
to achieve a comfortable and efficient development workflow.
Based on typical usage of 6 million characters per month, here's how we compare
| Service Provider | Pricing Model | Monthly Cost |
|---|---|---|
| HTML Speed-Viewer | Fixed monthly rate | $4.99 |
| Major Cloud APIs | Pay-per-use | $24.00（*Estimated） |
Only $4.99 per month. No character limits or usage quotas to worry about.
Compared to pay-per-use services like Google Cloud and AWS Polly, you save approximately $20 every month. (*)
Major API pricing: $24.00/month(*)
Our service pricing: $4.99/month
*Based on 6,000 characters × 50 times daily for 20 days
Plus
"For those who want to maximize development efficiency by making the most of HTML Speed Viewer."
This plan is ideal for you.
A plan designed to boost productivity for high-frequency users.
- In addition to all Free plan features, access the Multi-Preview functionality.
- Open multiple previews within the same editor and simultaneously preview Markdown documents.
PRO Features
$4.99 /month
Start FreeNo upfront card registration is required, so you can get started with peace of mind.