About
☰
All Tools
Categories
Blog About

Free WhatsApp Audio Transcriber Online

Convert WhatsApp voice messages to text instantly. Privacy-first transcription that works entirely in your browser - no uploads, no data sharing.

🟢 Runs locally · no uploads

Related tools

Show more

Video Transcriber

Extract conversations from videos to plain text using local Whisper AI model. Zero API costs, complete privacy, perfect for interviews, meetings, podcasts, and content creation. Process videos locally for maximum privacy and cost savings.

Camel Case Converter - Text Case Converter Tool

Stop manually reformatting variable names! Convert text between 13 case formats instantly including camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, and more. Perfect for converting between programming conventions, API formats, and naming standards. Free, works offline, unlimited conversions.

Word Counter - Free Online Word & Character Counter

Stop manually counting words in documents! Instantly count words, characters (with and without spaces), sentences, paragraphs, and estimate reading time. Perfect for essays, articles, social media posts, and SEO content. Free, works offline, unlimited word counting.

Diff Checker

Professional diff workstation for text and code. Compare any two versions side-by-side or inline with granular highlights, ignore rules, merge controls, statistics, and exportable reports.

JSON to CSV Converter - Get Table Data from JSON

Stop manually copying JSON data into spreadsheets! Convert JSON arrays to CSV format instantly with automatic header detection, nested object flattening, and Excel compatibility. Perfect for exporting API responses and database queries. Free, works offline, handles large datasets.
Show more

CSV to JSON Converter

Stop manually reformatting CSV spreadsheets into JSON! Convert CSV to JSON instantly with automatic data type detection, custom delimiters, and flexible output formats. Perfect for API integration and data migration. Free, works offline, handles large files.

JSON to XML Converter

Stop manually converting JSON to XML! Transform JSON data to well-formed XML with customizable formatting, attribute handling, and namespace support. Perfect for API integration, data interchange, and legacy system compatibility. Free, works offline, unlimited conversions.

XML to JSON Converter

Stop manually reformatting XML data into JSON! Convert XML to JSON format instantly with automatic attribute handling, namespace support, and array detection. Perfect for API integration and data transformation. Free, works offline, handles complex XML structures.

JSON to TypeScript Interface - Get Types from JSON Data

Stop manually writing TypeScript interfaces for API responses! Convert JSON to TypeScript interfaces instantly with support for nested objects, optional properties, and union types. Completely free, works offline in your browser, no file uploads.

Markdown ↔ HTML Converter

Stop manually converting between Markdown and HTML! Convert Markdown to HTML or HTML to Markdown instantly with support for GitHub Flavored Markdown, tables, task lists, code syntax highlighting, and nested structures. Perfect for documentation, blogging, and static site generators. Free, works offline, bidirectional conversion.
› About this tool · FAQ

Transcribe WhatsApp voice messages and audio files to text instantly. Supports OPUS, OGG, and other formats with automatic speech recognition.

What audio formats are supported?

The tool supports all major formats including WhatsApp's OPUS/OGG, MP3, WAV, M4A, AAC, and WebM. For best results, use WAV or MP3.

Is my audio data uploaded to a server?

No. All processing happens entirely in your browser using the Web Speech API. Your audio files never leave your device.

Why is my transcription not accurate?

Accuracy depends on audio quality, background noise, accent, and speaking speed. For best results, use clear audio with minimal background noise.

Can I transcribe long voice messages?

Yes, but very long files (over 10 minutes) may take longer to process. For best performance, consider splitting very long recordings.

Does it work offline?

Yes, once the page is loaded, the transcription works offline using your browser's built-in speech recognition.