Speech-to-text AI tools with API

AI transcription tool that converts audio and video into structured, editable transcripts with automatic punctuation, speaker identification, timestamps, and export to text and subtitle formats.It supports 100+ languages with post-processing features like summarization, translation, and keypoint extraction, plus secure API access and near real-time processing of large files.

Conformer‑2 is an automatic speech‑recognition model trained on 1.1 million hours of English audio, offering high accuracy for proper nouns and noisy environments with up to 55 % lower latency and faster inference.

Resemble AI delivers real‑time voice conversion and cloning from brief samples, supports 149+ languages, lets users edit audio via text, and includes deep‑fake detection, watermarking, and API integration for secure, ethical use.

HappyScribe captures audio from Google Meet, Teams, and Zoom, providing AI transcription, instant meeting notes, summaries, and action items. It supports over 120 languages, offers human‑edited reviews, secure GDPR‑compliant cloud storage, collaboration, integrations, and usage analytics.

Maestra transcribes and translates audio/video into searchable text, subtitles, and dubbed audio across 125+ languages, offering live transcription, subtitle editing, voice cloning/TTS, collaboration tools, content workflows, and APIs for integrations and automated publishing.

SubEasy AI delivers near‑perfect transcription and multilingual subtitles for video and audio, supporting 100 languages with 99 % accuracy. It offers dubbing, animated captions, speaker ID, OCR extraction, audio splitting, and export to VTT/SRT for social media publishing.

Speechnotes is a web‑based speech‑to‑text tool for real‑time dictation and batch transcription in multiple languages. It offers speaker tagging, timestamps, subtitle export, and imports from Google Drive, YouTube, or local files. Export to text, markdown, PDF while preserving privacy.

Transkriptor converts audio/video files into editable, timestamped transcripts in 100+ languages, auto‑detecting speakers. It extracts summaries, action items, and sentiment, and integrates via Zapier with CRMs and PM tools for automated workflow routing.

Sonix is an AI-powered platform for transcription, translation, and subtitling in 40+ languages with advanced features and prioritizes security and privacy.

AssemblyAI offers real‑time and batch speech‑to‑text transcription across 99+ languages, featuring speaker diarization, sentiment analysis, and language identification. It supports medical terminology, PII redaction, and custom prompts for precise conversational insights.

Superwhisper converts spoken language into polished text for any app, works offline, supports 100+ languages with English translation, offers customizable tone and formatting, includes AI meeting assistant, and allows video/audio transcription with GPT/Claude/Llama models.

Gladia delivers low‑latency, high‑accuracy speech‑to‑text for over 100 languages, supporting live and asynchronous use. It adds speaker diarization, timestamps, entity recognition, sentiment, summarization, and PII redaction via REST/WebSocket APIs.

Palabra.ai is a real-time voice translation platform that provides live speech-to-text transcription and simultaneous interpretation across dozens of languages. Its APIs and features enable multilingual meetings, captions, and integration into apps for collaboration, support, and accessibility.

EasySub AI automatically transcribes and translates videos into over 150 languages. It supports MP4, MOV, AVI, MKV, MP3, WAV, and YouTube uploads, offers downloadable SRT/TXT/ASS files, an editor for fine‑tuning, and export presets for major social media platforms.

Exemplary.ai is an AI tool that transcribes, translates, captions and summarizes audio and video content in real-time, generating high accuracy transcripts in 130 languages.

VideoToPage transcribes audio/video, structures content, and auto‑generates blog posts, SEO articles, social snippets, tutorials, SOPs, and course modules. It extracts themes, shots, OCR text, supports batch uploads, multilingual, and publishes directly to WordPress, Notion, Ghost, Shopify, and social platforms.

TurboTranscript is a transcription and translation tool that converts audio and video into text across 130+ languages, featuring automatic language detection, speaker segmentation, real-time toxicity detection, and export options for subtitles and transcripts.

SyncWords delivers real‑time AI captioning, subtitling, and voice dubbing for live broadcasts and events, reproducing speaker voices via Vocalics cloning and translating into 30+ languages with minimal latency. It outputs broadcast‑grade captions in multiple formats and supports FCC compliance.

Kaption AI is an AI Copilot for WhatsApp Business that drafts and automates replies, schedules messages, and forwards tickets to humans. It offers analytics and integrates with Salesforce, HubSpot, Zendesk, SAP, and custom APIs.

opentypeless.com is a voice input app that types your speech wherever your cursor is, with real-time AI polishing for grammar and punctuation. It supports streaming dictation in 99+ languages, customizable hotkeys, and integrates with providers like Whisper and Gemini.

Whisper API delivers fast, accurate speech‑to‑text with speaker diarization, translation, and summary in 100+ languages, supports diverse audio formats, is OpenAI‑compatible, and enables quick developer integration for streamlined workflows.

Revoldiv lets users upload up to two‑hour videos or audio files for instant AI transcription. It allows editing the transcript, auto‑updates the video, and offers speaker detection, chaptering, audiograms, export to .txt/.srt/.vtt, plus collaborative commenting—available on Chrome and Firefox.

AskVideo.ai converts any public YouTube clip into a searchable knowledge base. By generating a timestamped transcript, users can ask natural‑language queries and retrieve precise answers, reducing search time and enhancing learning for students, professionals, and creators.

WhisperUI transcribes audio to editable text and SRT subtitles in multiple languages, supporting MP3, MP4, WAV, and more. Drag‑and‑drop files up to 25 MB, instant review, local API key storage for privacy.

Mictoo transcribes audio and video using OpenAI Whisper with automatic language detection across 50+ languages, producing editable, timestamped transcripts and downloadable TXT/SRT, GPT-generated summaries, one-click translations with preserved timestamps, and a searchable transcript chat.

Audiotype transforms audio and video files into transcriptions and subtitles in 30 languages, automatically detecting speakers and adding punctuation. It supports MP3, MP4, WAV, FLAC, AVI, MOV, MKV and exports TXT, DOCX, PDF, SRT, VTT, with deleted after 15 days.

Scribie offers human-verified transcription services for audio and video files, ensuring 99.9% accuracy. Features include automated timestamp syncing, speaker tracking, and custom formatting, accommodating users from legal, academic, and content creation fields.

Tunk.ai automates inbound and outbound calls with AI agents and real‑time speech‑to‑text. It supports 50+ languages, integrates with Twilio, Plivo, Salesforce, HubSpot, and Zoho, and provides sentiment scoring, call routing, and compliance exports.

Audiogest converts audio and video files up to 1 GB or 5 hours into searchable transcripts in 99+ languages, adding speaker labels and timestamps. Users can generate summaries, action items, share results, and collaborate on projects, with EU data protection.

EchoFox transcribes WhatsApp voice messages into text in under 10 seconds, supporting 90+ languages with auto‑detection. Encrypted transcriptions last 24 h, include optional summaries, noise‑reduction, and can be searched for notes or CRM use.