Speech Intelligibility

Speechify converts PDFs, DOCX, EPUB, web pages, and more into natural‑sounding audio on iOS, Android, macOS, Windows, and Chrome. It offers an AI assistant that summarizes documents while you listen, supports voice typing, and allows offline access.

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.

ttsMP3.com converts text to spoken audio in over 28 languages with natural voices. Supports multiple speakers, SSML tags, and instant MP3 downloads. Ideal for e‑learning, slide decks, videos, and enhancing website accessibility.

SpeechGen.io converts up to 2 million characters into high‑quality neural‑voice audio across 150 languages with 5,000 models. It allows voice, speed, pitch, volume control, SSML tags, background music, multi‑speaker tagging, downloadable formats, and a REST API.

Pronounce AI delivers instant grammar, pronunciation, and fluency feedback during recorded or live sessions. It supports American and British accents, tracks specific sounds, offers AI conversational practice, and integrates with Google Meet, Zoom, and other collaboration tools.

The Speak AI tool is a language data analysis and research platform with transcription, data analysis, and sentiment analysis capabilities for various types of media.

Voicemaker is a cloud‑based text‑to‑speech platform offering 1,500+ AI voices in 130+ languages. It lets users adjust pitch, speed, pauses, add effects, clone voices with a minute of audio, and export to MP3, WAV, OGG, AAC, or OPUS.

Talkio AI is an AI‑driven language learning platform supporting 70 languages and 122 dialects. It offers voice conversations with pronunciation feedback, wordbooks, progress reports, and crosstalk mode for beginner comprehension. Schools and teams can deploy it securely in the EU.

Voisi converts text into natural‑sounding speech with 450+ voices and 100+ languages, transcribes audio, translates text and audio, clones voices from short samples, and chains transcription, translation, and synthesis into single workflows.

Online TTS platform converts text into audio in 100+ languages with 148+ AI voices. Users can tweak speed, pitch, pause, add background music, and download MP3, OGG, AAC, OPUS, or WAV for dubbing, audiobooks, and language learning.

Fish Audio S2 delivers real‑time text‑to‑speech with fine‑grained emotional tags and voice cloning from 15 seconds of audio. Its low‑latency API, SDKs, and multilingual support enable developers to create studio‑quality narration, dialogues, and voice agents.

Sesame AI is an advanced AI voice model that generates natural and expressive speech. It provides human-like voices with multi-language support, real-time generation, and customizable voice parameters, ideal for content creators, developers, and businesses.

SmallTalk2Me uses AI to give instant feedback on fluency, pronunciation, vocabulary, and grammar. It offers CEFR‑level tests, IELTS, interview, business, and daily practice sessions that track measurable improvement over time.

FreeTTS delivers browser‑based AI audio utilities: multilingual text‑to‑speech, accurate speech‑to‑text transcription, vocal isolation, voice enhancement, precise cut/join, and format conversion (MP3, WAV, FLAC, OGG, M4A). All processing is local and files auto‑delete after 12 hours.

Krisp delivers real‑time noise cancellation, accent conversion, and multilingual voice translation for meetings and call centers. It records calls, transcribes, and summarizes, syncing to CRMs. Developers can embed its voice SDK into custom applications.

SpeakPal AI offers real‑time conversation practice in 30+ languages with adaptive tutoring, instant grammar correction, and pronunciation coaching. Users can download lessons, earn QR‑coded certificates, and educators access teen‑safety mode, all syncing across web, iOS, and Android.

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.

Enhance Speech removes background noise and echo from audio or video files up to 1 GB, preserving natural sound levels. It supports batch processing, speaker separation, and Adobe Express integration for customizable audiograms and captions.

Cleanvoice AI automates podcast post‑production by removing background noise, filler words, pauses, mouth sounds, and breath artifacts in 20+ languages. It offers transcription, summaries, show notes, chapter markers, multi‑track editing, a drag‑and‑drop interface, and an API for batch processing.

A web‑based Microsoft AI TTS tool offering 330+ neural voices in 129 languages. Users can adjust rate, pitch, pauses, and style for news, scripts, or narration. Works across Chrome, Firefox, Edge, with an API for web integration.

TurboScribe is an AI-powered transcription tool offering ultra-fast conversion of audio and video files to text. It supports over 98 languages, handles uploads up to 10 hours long, and features speaker recognition for meetings, interviews, and podcasts.

Voice.ai offers cloud‑and on‑prem AI voice agents for calls, scheduling, and queries, supporting 15+ languages. It provides text‑to‑speech, 10‑second voice cloning, real‑time voice change, noise filtering, and integrates with Salesforce, HubSpot, Zendesk, Slack. APIs and SDKs enable scalable deploym

F5‑TTS converts text into natural‑sounding, multi‑language audio with emotion control. It supports zero‑shot voice cloning from a reference file, real‑time processing, and speed adjustment, ideal for audiobooks, e‑learning, and accessibility.

Gliglish is an AI‑powered language learning platform offering voice‑based conversation practice with real‑time pronunciation feedback and contextual translations. Users can adjust speed, choose topics, and access mini‑classes across many languages, supporting mobile and desktop use for individual or

Multilingual speech‑to‑text platform providing automated segmentation, speaker diarization, language ID, and text alignment. Outputs structured XML for searchable indexing of broadcasts and corporate recordings. Supports on‑premise and REST APIs with customizable models, enabling high‑accuracy trans

Utell AI enhances communication by providing real-time accent conversion, advanced noise cancellation, and live translation, making it suitable for online meetings, education, and business interactions. It also features a meeting assistant to organize action items.

PlayAI turns text into natural‑sounding audio in 42+ languages using 800+ voices. Users adjust pitch, rate, volume, add SSML pronunciations, support multi‑speaker real‑time synthesis, voice cloning, and API integration for chatbots, streaming, IVR, e‑learning.

Free Text to Speech Online converts unlimited text into audible speech across multiple languages, voices, and genders. Users can adjust speed with a slider, control playback, and the service works on all browsers and mobile devices without login.

My Speaking Score lets TOEFL candidates record speaking tasks, receive instant ETS‑licensed scores, and detailed feedback. An AI coach offers personalized improvement tips, while all data stays private. It supports interview and listen‑repeat formats for students, teachers, and tutors.

Fluently uses AI to provide real‑time speaking practice, evaluating pronunciation, grammar, vocabulary, and fluency. It adapts lessons, tracks progress, and offers live feedback during calls or recordings for English and Spanish learners.

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.

Speech Studio uses Azure Cognitive Services for real‑time and batch speech‑to‑text and text‑to‑speech in 100+ languages. It offers captioning, dubbing, translation, custom domain models, pronunciation assessment, and voice customization for conversational interfaces.

Speechelo is an AI-powered text-to-speech tool with 30+ male and female voices, inflection in 3 tones, and supports English and 23 other languages, designed for video creation software to generate voiceovers without professional artists.

BeyondWords transforms written content into spoken audio using customizable voice cloning and an integrated library. Its WCAG‑2 compliant player, built‑in analytics, monetization, and API support streamline workflows, expand audience reach, and reduce churn.

ElevenCreative is an AI tool that generates ultra-realistic speech, videos, music, and sound effects, offering text-to-speech, voice cloning, and a library of pre-recorded voices for creating personalized content for various applications.

Lucida AI delivers instant feedback on pronunciation, grammar, tone, and filler use during spoken interactions. It offers customized practice for presentations, sales, and meetings, supports six languages, and can be hosted on‑premises or in the cloud with full encryption.

Text to Speech.im is a web‑based AI text‑to‑speech converter offering 150+ natural voices in multiple languages. Paste up to 2,000 characters, adjust rate and volume, and download MP3s or stream. API integration supports developers.

Speak4Me converts PDFs, e‑books, documents, websites, and scanned images into natural‑sounding audio with adjustable speed. It offers voice selection, searchable content via ChatWithMe, and accessibility support for dyslexia, ADHD, and visual impairments, suitable for students, educators, and busine

AI Speech Generator quickly produces polished speeches—from weddings to business presentations—by setting length, tone, and key points. Users copy, download, or edit the output. Its simple interface supports all experience levels, and data remains encrypted for privacy.

HeardThat is an AI‑powered app that separates voice from background noise in real time, using the phone’s microphone. It works with any Bluetooth earbuds or hearing aids and lets users adjust suppression levels for clearer conversations.

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.

WhisperTranscribe uses OpenAI’s Whisper to transcribe audio/video into accurate text, supporting 55+ languages and speaker labels. It offers interactive query, multi‑format export, automated translation, content creation, clip‑finding for social media, and a desktop app for macOS/Windows.

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.

Hallo offers AI‑driven language proficiency tests in 60+ languages, delivering immediate CEFR‑aligned scores and detailed feedback on fluency, vocabulary, grammar, and pronunciation. It integrates with ATS for real‑time results and secure data handling.

Soundwise.ai is a free browser-based transcription tool that quickly converts audio and video files, including MP3, WAV, and MP4, into text. It offers cloud storage, synchronization, and drag-and-drop file uploads for seamless access across devices.

Sanas is a real-time speech understanding platform that enhances communication through accent translation and noise cancellation, improving clarity in conversations. It is particularly useful for customer service teams, boosting satisfaction and operational efficiency.

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.

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.

CoeFont Interpreter offers real‑time, low‑latency voice translation for meetings in multiple languages, integrating with Zoom, Teams, Google Meet, and Discord. It supports on‑device mobile use, custom terminology, automatic transcripts, and SOC2‑compliant data security.

SpeechPulse is an innovative AI tool for seamless voice typing. It provides real-time speech-to-text conversion across multiple languages, including translation services. Key features include offline usage, audio transcription, subtitle generation, and ultra-fast recognition. Revolutionizing voice