What This Section Covers
This section routes you to free, legal, browser-based tools for converting audio and video files. You will not need an account, a card, or a download. The services below handle format changes, audio extraction, and transcription, all within your browser. If you have a file on your device and want it in another format, such as converting WAV, M4A, FLAC, or MP4 to MP3 with an online MP3 converter, or want a text version of its speech, start here.
EchoWave
EchoWave is the strongest all-rounder for conversion. It handles audio-to-video conversion (turning an MP3 into an MP4 with a static image, for example) and a broader converter that accepts MP4, MOV, MKV, MP3, WAV, GIF, and more. The free tier is genuinely unlimited: no signup, no watermarks, no file-size caps, and no hidden paywall on downloading the output. It works entirely in the browser, so there is nothing to install. If you only remember one name from this page, make it this one.
VidShift
VidShift is a solid second choice for pure format conversion. It outputs to common video and audio formats including MP4, WebM, MOV, MKV, MP3, AAC, WAV, FLAC, and OGG. The free tier is described as completely free with no limits, no subscriptions, and no hidden fees. The key detail: everything runs locally in your browser, and files are never uploaded to a server. That means no waiting on uploads for large files, and no privacy concern about your media leaving your machine. It is a good pick if you are privacy-conscious or working with sensitive material.
Whisper Web
Whisper Web is the go-to for transcription. It converts speech in local audio or video files into editable text across 99 languages. The free tier is private and on-device: no sign-up, no per-minute fee, and your files never leave your computer. It runs on the open-source Whisper speech-recognition model, which is well-regarded for accuracy. If you need a transcript of a lecture, meeting recording, or interview, this is the fastest route.
VocaScript
VocaScript is another transcription option, supporting more than 100 languages. It is completely free to use as a guest, with no account required. It works in the browser on audio and video files you provide. It is a good backup if Whisper Web is down or if you prefer a different interface, but for most users Whisper Web is the better first stop because of its on-device privacy.
HappyScribe
HappyScribe offers both audio conversion and audio-to-video conversion in the browser. The audio converter is completely free, and the audio-to-video tool requires no signup, fees, or hidden restrictions. It is a reliable middle-ground option: not as feature-rich as EchoWave, but perfectly serviceable for a quick conversion. If EchoWave or VidShift are down, this is a fine fallback.
VEED
VEED provides audio-to-video conversion and transcription. The audio-to-video converter is free with no account required. The transcription tool is free to try on a short clip, which makes it useful for quick tests but not for long files. It is a reasonable option if you are already in the VEED ecosystem, but the free tier is more limited than the dedicated tools above. For anything longer than a couple of minutes, use Whisper Web or VocaScript instead.
How to Choose Between Them
Start with EchoWave for any conversion task, it has the broadest format support and no limits. If you are converting a file that contains sensitive information, or if you are on a slow connection and do not want to upload a large file, use VidShift instead, because it processes everything locally. For transcription, go straight to Whisper Web if you want privacy and broad language support. If you need a transcript and Whisper Web is unavailable, VocaScript is a fine alternative. HappyScribe and VEED are useful backups, but they do not offer anything the top four do not already cover.
Frequently Asked Questions
Do I need to create an account to use these tools?
No. EchoWave, VidShift, Whisper Web, and VocaScript all work without an account. HappyScribe and VEED also do not require signup for their free conversion tools, though VEED's transcription is limited to a short trial clip.
Are these tools really free, or are there hidden costs?
EchoWave and VidShift explicitly state no hidden fees, no watermarks, and no file-size limits. Whisper Web and VocaScript are free with no per-minute charges. HappyScribe's conversion tools are free, and VEED's converter is free, though its transcription is only a trial.
Can I convert a video file to an audio file with these tools?
Yes. EchoWave and VidShift both support video-to-audio conversion, including output to MP3, WAV, FLAC, and other formats. HappyScribe also offers audio conversion, though its format list is less extensive.
Is it legal to use these tools on any file I have?
These tools are designed for files you have created yourself or have the right to use. They do not provide legal guidance on downloading copyrighted material from third-party sites. If you own the file or have permission to convert it, you are fine.
Do these tools work on my phone or tablet?
Because they are browser-based, they work on any device with a modern web browser, including phones and tablets. VidShift, in particular, processes files locally, which can be slower on mobile but still functional.
The guides in this section
Each one takes a single question from the list above and answers it properly.
- How to Convert Audio to MP3 Free
- How to Extract the Audio From a Video File
- How to Transcribe Audio to Text Free
- How to Make a Video File Smaller
This section is one part of Where to Convert Files Online Free: Images, Documents, Audio and Video.
