AMR to OGG Converter

Convert AMR to OGG — and Pick the Right Codec

This converter takes an .amr voice recording — the kind an old Android phone, a feature-phone voicemail, or a basic voice-memo app saved — and re-encodes it into an .ogg file. AMR is a dead-end 1999 speech format that most current players and editors won't open cleanly; Ogg is the open, royalty-free container the Xiph.Org Foundation built, and it carries open codecs like Vorbis, Opus, and FLAC. The real decision here isn't AMR versus OGG — it's which codec goes inside the OGG. This page outputs Vorbis by default (the codec that game engines and open-source tools expect), but if your goal is a small, modern voice archive, Opus is the better pick — and you can choose it right in the converter.

AMR vs OGG at a Glance

When to Keep the Default — Vorbis Inside OGG

• You're feeding a game engine. Unity's default compressed audio format is Vorbis or MP3, and Unreal and Godot also lean on Vorbis. A .ogg Vorbis file drops straight into those asset pipelines without a re-import step.
• An open-source tool asked for .ogg. Audacity, many Linux media players, and a long tail of older game mods grew up on Ogg Vorbis. When a program says "OGG," it almost always means Vorbis.
• You want the widest "plain OGG" compatibility. Vorbis has been shipping since 2002, so even dated software that reads .ogg at all will usually read Vorbis. Opus is younger and a few old players miss it.
• It's music or general audio, not just speech. Vorbis was designed as a patent-free MP3 alternative and holds up well across the full audible range above roughly 96 kbit/s.

When to Switch the Codec to Opus Instead

• It's a voice memo and you want it tiny. Opus is markedly more efficient than Vorbis below 64 kbit/s — the exact range where speech lives. For a feature-phone recording, Opus produces a smaller file at the same intelligibility.
• The recording is destined for the modern web or messaging. Opus is what browsers, Android, and apps like WhatsApp, Discord, and Zoom run on today. Xiph, the same foundation that built Vorbis, now points new voice and streaming work toward Opus.
• You're archiving old call recordings. A standalone Opus-in-OGG file is the smallest faithful copy of telephone-grade speech you can keep. To choose it, open Advanced Options and set the codec to Opus — or use the dedicated AMR to Opus converter, which defaults to it.

Either way, be clear about one thing: no codec restores audio the phone never captured. AMR-NB sampled at 8 kHz and kept only the 200 Hz–3,400 Hz telephone voice band, so converting to OGG is a compatibility and archival move — not a way to make a phone recording sound richer.

How to Convert AMR to OGG

1. Upload Your AMR File: Drag and drop your .amr file onto the page, or click "+ Add Files" to browse. Old voice recorder memos, dumbphone voicemails, and recorded calls all work, and you can queue several at once to convert with the same settings.
2. Pick a Quality Preset (and Codec): Open Advanced Options and choose a Quality Preset (Lowest through Highest), or set a Custom Bitrate, Constant Bitrate, or Variable Bitrate. The output is Vorbis-in-OGG by default; switch the codec to Opus here if you want a smaller voice file.
3. Set Audio Channel, Sample Rate, or Trim: Leave Audio Channel and Audio Sample Rate on "Original" to copy the source, or downmix to Mono and resample for an even smaller file. Use Trim to keep only the part you need.
4. Convert and Download: Click "Convert" and download the .ogg file. No sign-up, no watermark.

Frequently Asked Questions

Does my AMR-to-OGG file use Vorbis or Opus?

By default this converter outputs Vorbis inside the OGG container — that's what most software means when it says "OGG," and what game engines like Unity expect. If you'd rather have Opus, open Advanced Options and switch the codec before converting. For a voice memo you plan to keep or share, Opus is usually the better choice because it is far more efficient at the low bitrates speech uses; for a game asset or general open-source tooling, stick with Vorbis. If Opus is definitely your target, the AMR to Opus converter defaults to it so you skip the codec dropdown.

Will converting AMR to OGG improve how my recording sounds?

No, and it's worth knowing why. AMR-NB — the variant nearly every voice recorder and feature phone used — is a 3GPP speech codec adopted in October 1999 that samples at just 8 kHz and keeps only the 200 Hz–3,400 Hz telephone voice band. Neither Vorbis nor Opus can restore the highs and lows the phone never captured; no bitrate setting invents detail that was never recorded. The OGG output is a faithful copy of telephone-grade speech in an open, modern container — that is the win, not a quality upgrade.

Is Opus-in-OGG better than Vorbis for an old voice memo?

For voice, almost always yes. Opus was tuned for low-bitrate speech and beats Vorbis comfortably below 64 kbit/s, which is exactly where a feature-phone recording sits — so you get a smaller file at the same intelligibility. Vorbis still makes sense when a specific program demands plain Ogg Vorbis, or for music and general audio at higher bitrates. Since AMR-NB is mono 8 kHz speech, the practical takeaway is simple: pick Opus for the smallest faithful archive, pick Vorbis for legacy or game-engine compatibility.

What programs can open the .ogg file?

OGG support is broad on open and cross-platform software: VLC, Firefox, and Chrome all play it, Audacity opens it for editing, Android handles it natively, and game engines import it directly. The weak spots are Apple's ecosystem — macOS and iOS don't play raw .ogg reliably without a third-party app — and some older car stereos and basic media players. If you need near-universal playback on any device, convert the same recording with the AMR to MP3 converter instead; MP3 plays almost everywhere.

What bitrate or quality preset should I choose for voice?

Less than you'd expect, because both OGG codecs are efficient and AMR speech carries little detail to begin with. For a feature-phone recording, a Medium preset is clean and tiny — and if you've switched to Opus, that low-bitrate speech range is exactly what it was designed for. Pushing a speech clip to 192 kbit/s or higher just makes a bigger file; it does not add fidelity the recording never had. Leaving Audio Channel and Sample Rate on "Original" is safe, since the AMR-NB source is already mono at 8 kHz.

Can I go back from OGG to AMR later?

Yes — the OGG to AMR converter handles the reverse, which is the path you'd take to feed an old phone, a legacy voicemail system, or MMS tooling that only accepts .amr. Just remember that round-tripping speech through two lossy codecs slightly degrades it each time, and AMR-NB's narrow voice band is the hard floor, so keep an untouched copy of your OGG if you can. For a transcription or speech-to-text tool that needs uncompressed input rather than either codec, the AMR to WAV converter is the better choice.

How are my files handled, and how long do you keep them?

Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion — no sign-up, no watermark, never shared or made public. In our testing, a 60-second AMR-NB voice memo converted to a roughly 150–220 KB Vorbis-in-OGG file at a Medium preset, and a noticeably smaller file when the codec was switched to Opus; speech recordings stay small because there is little high-frequency detail to encode.