Free audio, podcast, and voiceover tools

Audio Speed Changer

Speed up or slow down audio files from 0.25x to 3x

Audio Format Converter

Convert between WAV, MP3, OGG, and WebM formats instantly

Audio Trimmer & Cutter

Visually trim audio with a waveform editor

Audio Joiner & Merger

Merge multiple audio files into one seamless track

Volume Booster & Normalizer

Boost quiet audio up to 5x or auto-normalize to optimal levels

Silence Remover

Automatically detect and remove silent sections from audio

Word Counter & Reading Time

Count words, characters, sentences, and get reading/speaking time

Script Timer

Estimate voiceover duration at different speaking speeds

SSML Generator & Editor

Visual editor to build SSML markup for text-to-speech

IPA Transcription Tool

Convert English text to IPA phonetic transcription

SRT / VTT Subtitle Generator

Create subtitle files with a visual timeline editor

Voiceover Cost Calculator

Compare professional voiceover costs vs AI voiceover pricing

Podcast Episode Length Calculator

Estimate episode duration from word count with ad slot recommendations

Audio File Size Calculator

Calculate file size from format, bitrate, sample rate, and duration

Audio Waveform Generator

Generate shareable waveform images from your audio files

Podcast ROI Calculator

Estimate podcast revenue from listeners, episodes, and CPM rates

Show Notes Generator

Generate structured show notes from transcripts or outlines

Call-to-Action Generator

Generate CTA copy for podcasts, videos, voiceovers, and ads

Podcast RSS Feed Validator

Validate your podcast RSS feed against Apple and Spotify requirements

Text-to-Speech

1,500+ AI voices in 150+ languages. Generate studio-quality voiceovers, narration, and audio content instantly.

Voice Cloning

Clone any voice from a short audio sample. Generate unlimited content in the cloned voice across 150+ languages.

Video Generation

Create AI-powered videos with avatars, voiceovers, and captions. Perfect for ads, tutorials, and social media.

UGC AI Videos

Generate user-generated-content-style videos with AI presenters. Lip-synced avatars for product demos and ads.

Music Generation

Compose original royalty-free music in 50+ genres. Custom length, tempo, and mood for any project.

Sound Effects

Generate custom sound effects from text descriptions. 1,500+ pre-made SFX plus unlimited AI generation.

Photo AI

Generate AI images and photos for any use case. Product shots, illustrations, and creative visuals.

Chat AI

Chat with multiple AI models in one interface. Write, brainstorm, code, and create with AI assistance.