Speech Synthesis Api

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.

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.

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.

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.

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.

Speechflow offers a dependable speech-to-text API, supporting 14 languages with high accuracy rates. Convert audio and video into readable text quickly, with easy deployment options for secure and scalable transcription services.

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.

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.

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.

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.

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

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.

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.

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.

ElevenLabs Voice enables users to create custom voice profiles and analyze voice samples. Its text-to-speech API is ideal for developers, enhancing user engagement and accessibility for content creators, educators, and businesses through high-quality voice outputs.

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.

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.

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.

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.

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.

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.

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.

Typecast: AI voice generator for content creation - Emotional TTS, Voice cloning & extensive character library for efficient VSTB, Product marketing & Training videos.

Unreal Speech is a low‑latency text‑to‑speech API offering real‑time streaming, synchronous MP3 output, and asynchronous long‑form synthesis with word‑level timestamps. It supports 48 voices in eight languages and flexible audio customization.

Hume AI offers emotion‑intelligent text‑to‑speech, real‑time speech‑to‑speech, and expressive voice cloning across 100+ languages. Developers use TypeScript, Python, .NET, or Swift SDKs to build voice‑design, stage‑direction, and emotion‑analysis features for content creation.

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.

This AI tool provides language-related features like text completion, translation, and prompt-based text generation using GPT models with customizable options.

Supertone offers real‑time text‑to‑speech, voice‑changing, and audio‑processing tools, including over 100 preset voices, noise‑reduction plugins, and an ADR‑matching feature. Its API/SDK support lets developers embed expressive speech in media workflows.

Puretalk AI® is a conversational AI platform that offers voice agents and chatbots for improved customer interactions. It features multi-language text-to-speech, automation for customer service, and easy integration with existing tools for enhanced workflow efficiency.

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.

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.

Speechlab automates speech‑to‑speech translation, enabling bulk video/audio dubbing across 20+ languages. It offers real‑time interpretation with sub‑3‑second latency, API integration, role‑based collaboration, fine‑tuned voice synthesis, and seamless workflow.

Replica Studios provides realistic AI voice cloning and text‑to‑speech with multilingual libraries and adjustable parameters. It integrates with game engines, animation, and audio editors, supporting batch and real‑time API processing for scalable character voice‑overs, narration, and dialogue.

Steosvoic is an AI tool that provides high-quality neural voice artificial intelligence for creating unique content and generating audio with over 50 voice options and multiple language support. It offers a paid plan or free version.

NepVox offers TTS, STT and text-to-image generation with 500+ voices across 100+ languages, adjustable voice styles and audio controls, exportable audio, searchable transcripts, and a web interface plus API for content creation and localization.

Uberduck generates synthetic voices, text‑to‑speech, and AI music in 70+ languages. It supports voice conversion, cloning, and singing, with developer APIs and built‑in music creation for narration, branding, and marketing.

Vbee Aivoice is an AI text-to-speech platform that converts text into natural-sounding audio across multiple languages. It offers various voices, supports voice cloning, and provides MP3/WAV output, ideal for podcasts, e-learning, and audiobooks.

AudioBot converts written text to natural‑sounding MP3 audio using over 500 AI voices in multiple languages, including diverse Spanish accents. Users can tweak pitch, speed, and tone, making it useful for video, podcasts, and accessibility.

Online voice‑synthesis tool that converts text into spoken audio in multiple languages. It offers standard, Gen2, prompted, and voice‑cloned voices with emotional tones, adjustable gender, accent, speed, background levels, and MP3 export for creators and educators.

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.

Synthesia is an AI video creation platform that enables users to create customizable videos in multiple languages using AI avatars and voices, saving time and budget for companies.

LoveVoice is a text-to-speech tool that converts text into natural-sounding audio with 300+ AI voices in 70 languages. It offers customizable voice settings and outputs high-quality MP3s for videos, podcasts, and more.

FakeYou converts text into spoken audio, supports voice-to-voice synthesis, and offers a Voice Designer for custom AI voices. It enables zero‑shot cloning from a single sample, voice conversion, and integrates with media projects for streamlined content creation.

AnySpeech.io is an AI voice studio offering 100+ multilingual, style-controlled voices for content creation. It generates export-ready audio for videos, podcasts, and e-learning to save production time and ensure consistent quality.

Deepgram Voice AI offers real‑time and batch speech‑to‑text, text‑to‑speech, and voice‑agent APIs. It delivers low‑latency transcripts, natural‑sounding synthesis, and integrated conversation handling for contact centers, transcription, and podcasts, with cloud, on‑prem, and telephony support.

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.

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.

Murf AI offers a text‑to‑speech API featuring 200+ natural voices in 35 languages, Studio controls for pitch and speed, and a Voice Cloner for accurate duplication. It supports multilingual dubbing and integrates with Canva, PowerPoint, and Adobe.

Verbatik AI centralizes synthetic voice creation, voice cloning, and multi‑modal content generation, offering 1,500 neural voices in 150+ languages, music and sound effects, AI‑video scenes, image editing, and low‑latency 75 ms TTS APIs.

Synthflow automates inbound and outbound phone calls with natural‑language voice AI, qualifying leads, booking appointments, and resolving inquiries in real‑estate, hospitality, healthcare, BPO, and tech. It offers a visual flow builder, test center, and full SOC 2, HIPAA, PCI DSS, GDPR compliance.