Click the microphone button to start speaking
This Speech-to-Text tool is easy to use. Here is the detailed guide:
Before starting, select the language you will be speaking from the dropdown menu. Choosing the correct language significantly improves recognition accuracy. The tool supports 15 languages including English, Chinese, Japanese, Korean, and more.
Click the microphone button to start recording. The first time you use it, the browser will ask for microphone permission โ click "Allow" to grant access. The recording button will turn red with a pulsing animation, indicating it is recording.
Speak into the microphone. You will see text appearing in real time in the "Live Preview" area. Maintain a normal speaking pace and articulate clearly. Avoid noisy environments for best results. We recommend using standard pronunciation for the best experience.
Click the microphone button again to stop recording. Results appear in the "Transcription Result" area. You can click "Copy All" to copy results to the clipboard, or "Export TXT" to save as a text file. If "Continuous Mode" is enabled, the tool will continue recognizing between pauses.
โข Ensure your browser has microphone permission
โข Use in a quiet environment
โข Standard pronunciation yields the best results
โข Results may require manual proofreading
Speech-to-text technology has a wide range of applications. Here are some common use cases:
During meetings or lectures, use this tool to convert spoken content into text in real time, quickly generating meeting minutes. Compared to handwritten notes, speech-to-text can capture the complete content without missing important information. You can copy the results to a document for later review and archiving, significantly boosting productivity.
For content creators, speaking is often more efficient than typing. You can dictate article outlines or paragraphs, then edit and refine the generated text. This approach is especially useful for capturing ideas when inspiration strikes. Many writers and bloggers use this method for drafting content.
Students can dictate study material aloud while the tool converts it to text, creating review notes. Language learners can practice speaking in English or Chinese mode, then compare the transcribed text with standard text to identify pronunciation issues.
For users with typing difficulties (e.g., hand injuries, vision impairments), speech-to-text is an essential accessibility tool. Replacing keyboard input with voice input greatly reduces operational difficulty. Additionally, users with hearing difficulties can use this tool to transcribe others' speech to better understand conversations.
The Web Speech API is a W3C-recommended browser-native API that includes two core interfaces: SpeechRecognition (for speech-to-text) and SpeechSynthesis (for text-to-speech). It allows web applications to use the device's microphone and speaker for voice interaction without relying on third-party plugins. This tool uses the SpeechRecognition interface.
The core pipeline of speech recognition technology includes: audio capture โ preprocessing (noise reduction, framing) โ feature extraction (e.g., MFCC) โ acoustic model โ language model โ text output. Modern systems typically use deep neural networks (DNN) and end-to-end models like Transformer, achieving increasingly higher accuracy.
Despite significant progress, speech recognition still has limitations: homophone ambiguity (e.g., "read" vs "reed"), difficulty with technical jargon, challenges in multi-speaker conversations, and background noise interference. Therefore, results typically require manual review and should not completely replace manual input.
This tool uses the browser's Web Speech API. Audio data is sent from the browser to the speech recognition engine (e.g., Google or Apple's cloud service) for processing. While the tool itself does not store your voice data, please do not use this tool for sensitive or confidential information.
This tool is built on the Web Speech API and works well in modern browsers including Chrome, Edge, and Safari. We recommend using the latest version of Chrome for the best experience.
Speech recognition accuracy depends on several factors: microphone quality, background noise, speaking clarity, and language selection. In a quiet environment using standard English, the recognition accuracy is typically above 90%.
No. This tool runs entirely in your browser using the Web Speech API's client-side speech recognition. However, the browser's built-in speech recognition service may process data through cloud services.
No. The Web Speech API requires an internet connection because the actual speech recognition processing happens in the cloud. Once the page is loaded, the data usage during recognition is minimal.
Possible reasons include: 1) Browser does not support Web Speech API; 2) Microphone permission not granted; 3) Not on an HTTPS connection; 4) No microphone available. Please check your browser settings.
The tool supports multiple languages including Chinese, English, Japanese, Korean, French, German, Spanish, and more. Selecting the correct language significantly improves recognition accuracy.
Yes. You can copy results to the clipboard or download them as a .txt file. The tool provides one-click copy and export functions.
The tool supports standard languages. Recognition accuracy may decrease with strong accents or dialects. We recommend using standard pronunciation for the best results.