All Conversion Tools in One Place

AI-powered audio, video, PDF, and translation tools. Fast, accurate, and free to try.

30 tools

MP3 to Text — Free Online MP3 to Text Converter | WuZhiZuo

Convert MP3 audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy MP3 speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

WAV to Text — Free Online WAV to Text Converter | WuZhiZuo

Convert WAV audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy WAV speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

M4A to Text — Free Online M4A to Text Converter | WuZhiZuo

Convert M4A audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy M4A speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

FLAC to Text — Free Online FLAC to Text Converter | WuZhiZuo

Convert FLAC audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy FLAC speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

OGG to Text — Free Online OGG to Text Converter | WuZhiZuo

Convert OGG audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy OGG speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

AAC to Text — Free Online AAC to Text Converter | WuZhiZuo

Convert AAC audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy AAC speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

WMA to Text — Free Online WMA to Text Converter | WuZhiZuo

Convert WMA audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy WMA speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

AIFF to Text — Free Online AIFF to Text Converter | WuZhiZuo

Convert AIFF audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy AIFF speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

OPUS to Text — Free Online OPUS to Text Converter | WuZhiZuo

Convert OPUS audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy OPUS speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

OGA to Text — Free Online OGA to Text Converter | WuZhiZuo

Convert OGA audio to text online for free. WuZhiZuo uses AI to deliver high-accuracy OGA speech-to-text with 134+ languages, speaker diarization, and multiple export formats.

Podcast Transcription — Free Online Podcast to Text Tool | WuZhiZuo

Transcribe Podcast recordings online for free. WuZhiZuo offers AI-powered Podcast to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

Interview transcription

Transcribe Interview recordings online for free. WuZhiZuo offers AI-powered Interview to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

Meeting transcription

Transcribe Meeting recordings online for free. WuZhiZuo offers AI-powered Meeting to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

Lecture Transcription — Free Online Lecture to Text Tool | WuZhiZuo

Transcribe Lecture recordings online for free. WuZhiZuo offers AI-powered Lecture to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

Audio to SRT Transcription — Free Online Audio to SRT to Text Tool | WuZhiZuo

Transcribe Audio to SRT recordings online for free. WuZhiZuo offers AI-powered Audio to SRT to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

MP4 to Text — Free Online MP4 Video to Text/Subtitle Tool | WuZhiZuo

Convert MP4 video to text and subtitles online for free. WuZhiZuo uses AI for MP4 video to text, supporting 134+ languages, SRT/VTT subtitle generation, and subtitle burning.

MOV to Text — Free Online MOV Video to Text/Subtitle Tool | WuZhiZuo

Convert MOV video to text and subtitles online for free. WuZhiZuo uses AI for MOV video to text, supporting 134+ languages, SRT/VTT subtitle generation, and subtitle burning.

AVI to Text — Free Online AVI Video to Text/Subtitle Tool | WuZhiZuo

Convert AVI video to text and subtitles online for free. WuZhiZuo uses AI for AVI video to text, supporting 134+ languages, SRT/VTT subtitle generation, and subtitle burning.

MKV to Text — Free Online MKV Video to Text/Subtitle Tool | WuZhiZuo

Convert MKV video to text and subtitles online for free. WuZhiZuo uses AI for MKV video to text, supporting 134+ languages, SRT/VTT subtitle generation, and subtitle burning.

WebM to Text — Free Online WebM Video to Text/Subtitle Tool | WuZhiZuo

Convert WebM video to text and subtitles online for free. WuZhiZuo uses AI for WebM video to text, supporting 134+ languages, SRT/VTT subtitle generation, and subtitle burning.

Video to SRT Transcription — Free Online Video to SRT to Text Tool | WuZhiZuo

Transcribe Video to SRT recordings online for free. WuZhiZuo offers AI-powered Video to SRT to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

Video to Text Transcription — Free Online Video to Text to Text Tool | WuZhiZuo

Transcribe Video to Text recordings online for free. WuZhiZuo offers AI-powered Video to Text to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

Extract Video Subtitles Transcription — Free Online Extract Video Subtitles to Text Tool | WuZhiZuo

Transcribe Extract Video Subtitles recordings online for free. WuZhiZuo offers AI-powered Extract Video Subtitles to text with speaker diarization, 134+ language detection, and 7 export formats including SRT/DOCX.

PDF to Text — Free Online PDF Text Extractor | WuZhiZuo

Convert PDF to text online for free. WuZhiZuo offers AI-powered PDF text extraction for scanned and native PDFs with 99% accuracy — no software installation needed.

PDF to DOCX — Free Online PDF to Word Converter | WuZhiZuo

Convert PDF to DOCX (Word) online for free. WuZhiZuo preserves original paragraphs, tables, and images with 95%+ conversion quality, supporting scanned PDFs.

PDF OCR — Free Online PDF Optical Character Recognition | WuZhiZuo

Free online PDF OCR recognition. WuZhiZuo supports PDF image text recognition in 134+ languages with 99% accuracy — ideal for scans, photos, and screenshots.

Scanned PDF to Text — Free Online Tool | WuZhiZuo

Convert scanned PDF to editable text online for free. WuZhiZuo's OCR engine supports 134+ languages with 99% accuracy — making paper document digitization simple.

Translate Audio — Free Online Audio Translation Tool | WuZhiZuo

Translate audio online for free. WuZhiZuo transcribes then translates, supporting 134+ language pairs, preserving timestamps and speaker labels — ideal for international meetings, study materials, and overseas podcasts.

Video Translation

Translate video subtitles online for free. WuZhiZuo supports subtitle translation and dubbing replacement with 134+ language pairs and precise timecode preservation — ideal for cross-border content and education.

PDF Translation

Translate PDF documents online for free. WuZhiZuo preserves original layout and structure, supporting 134+ language pairs with bilingual side-by-side view — ideal for academic papers, legal documents, and business contracts.

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