Xvid to 3GP

How to Convert Xvid to 3GP Online

1. Upload Your Xvid File: Drag and drop your .xvid (or Xvid-encoded .avi) file, or click "+ Add Files" to select. Batch upload is supported, and files are processed in your browser session — no account required.
2. Pick File Compression: Default is "Quality Preset" set to "Very High (Recommended)". For tiny carrier-friendly clips, switch to "Constant Bitrate" (try 96–192 kbps for video) or "Specific file size" and target a value under your carrier's MMS cap. "Constant Quality" (CRF) is best when you care about visual quality more than exact size; "Variable Bitrate" gives a good size-vs-quality balance for general phone playback.
3. Set Video Resolution and Trim (Optional): Under "Video resolution," pick a preset like 176×144 (QCIF), 320×240, or 480×360, scale by "Resolution Percentage," or enter a custom "Width x Height." Then under "Trim," choose "Time Range" and enter a start time + duration to extract just the clip you need — critical for staying inside MMS or storage limits.
4. Convert and Download: Click Convert. Conversion runs in your browser session with no watermark, no sign-up, and no third-party uploads of your video.

Why Convert Xvid to 3GP?

Xvid is an MPEG-4 Advanced Simple Profile (ASP) encoder first released in 2001 — a GPL-licensed open-source counterpart to DivX, with its last US patents expiring in November 2023. Xvid streams typically live inside .avi containers and were the dominant codec for CD- and DVD-burned movies, fan-subbed anime, and early P2P sharing. 3GP, by contrast, is a 3GPP-defined container (specification 3GPP TS 26.244) built on top of the ISO base media file format and tuned for cellular bandwidth — it stores H.263, MPEG-4 Part 2, or H.264 video alongside AMR-NB, AMR-WB, or AAC-LC audio.

Reasons to convert Xvid to 3GP today:

• Legacy Nokia, Samsung, and Motorola feature phones — Devices like the Nokia 6630, 5300, and 3310 3G expect QCIF (176×144) H.263 video and mono AMR-NB audio. A typical Xvid AVI from a PC will not load; a properly profiled 3GP will.
• MMS-friendly clips — MMS 1.2 caps total message size at 300 KB and MMS 1.3 at 600 KB. Carriers vary: Verizon currently allows videos up to 3.5 MB and T-Mobile around 1 MB outbound. Trimming and compressing into 3GP keeps the clip deliverable.
• Camcorder and dashcam offload — Many older Sanyo Xacti, JVC, and budget action cams shoot directly to MPEG-4 ASP (Xvid-compatible). Converting to 3GP creates a low-bitrate archive that fits easily on microSD cards and uploads quickly over slow connections.
• Embedded / kiosk / signage devices — Hardware DVRs, digital photo frames, in-car infotainment from the 2008–2014 era, and budget Android TV boxes often list 3GP as a guaranteed input format while struggling with AVI demuxing.
• Voice-recorder hardware and language-learning devices — Many small Chinese-market players accept 3GP as their only video format. The H.263 + AMR-NB combination is required for older units; H.264 + AAC inside 3GP works on newer ones.
• Forensic and archival uses — Some early-2000s CCTV exports and police body-cam footage land as Xvid in AVI but need to ingest into systems that only accept 3GP/3GPP — converting preserves the ISO BMFF metadata structure.

If your target device is anything from the iPhone, modern Android, smart TV, or PC era, convert Xvid to MP4 instead — MP4 is universally supported and avoids the 3GP profile gotchas described below.

Xvid vs 3GP — Format Comparison

3GP Profile Quick Guide

Pick the right profile based on the target device. Phones older than ~2008 require the H.263 path; smartphones from ~2008 onward usually accept H.264.

For Xvid-to-MP4 (modern devices) or other targets, see Xvid to MOV, Xvid to MP4, or 3GP to MP4.

Frequently Asked Questions

Will the converted 3GP play on my old Nokia or Samsung feature phone?

It depends on the profile. Pre-2008 Nokia, Samsung, and Motorola handsets typically need QCIF (176×144) resolution, H.263 video at or below ~340 kbps, and mono AMR-NB audio at 12.2 kbps / 8 kHz — that combination is the safest fallback. Smartphones from 2008 onward usually accept H.264 Baseline plus AAC-LC inside 3GP, which is more efficient. If a clip refuses to load, drop the resolution to 176×144 and the audio to AMR-NB before trying again.

Why is Xvid often inside an AVI file instead of a .xvid extension?

Xvid is a video codec, not a container. The vast majority of Xvid-encoded video distributed in the 2000s was muxed into AVI, with MP3 or AC-3 audio. xconvert accepts the underlying Xvid stream regardless of whether your file ends in .xvid, .avi, or .mp4 — the converter inspects the actual codec, not just the extension.

What's the smallest practical 3GP I can produce for MMS?

MMS 1.2 caps total message payload at 300 KB and MMS 1.3 at 600 KB, but per-carrier limits vary (Verizon allows video up to 3.5 MB; T-Mobile is closer to 1 MB outbound). For a guaranteed-deliverable clip, target 200–250 KB total: 176×144 H.263 video at ~96 kbps plus AMR-NB audio at 12.2 kbps, trimmed to 10–20 seconds. xconvert's "Specific file size" option lets you set the cap directly.

Should I pick H.263, MPEG-4 Part 2, or H.264 inside the 3GP?

H.263 is the safest choice for pre-2008 hardware — it's the original 3GPP baseline. MPEG-4 Part 2 Simple Profile is more efficient and was supported by mid-era handsets (2007–2010). H.264 Baseline is the most efficient and is what every smartphone since ~2010 expects, but very old feature phones won't decode it. If you don't know the target device, H.263 + AMR-NB is the universal fallback.

Does converting Xvid to 3GP lose quality?

Yes. Xvid is already a lossy compressed format, and re-encoding to a smaller-resolution 3GP profile applies a second lossy pass. Expect visible blockiness if you go below ~150 kbps at 320×240, and severely degraded audio if you compress speech with AMR-NB at 4.75 kbps. For archival, keep the original Xvid; produce the 3GP only as a delivery copy.

Can I keep Xvid's original resolution when converting to 3GP?

Technically yes — the 3GP container can hold MPEG-4 Part 2 video at any resolution your encoder will produce — but legacy phone hardware decoders enforce profile limits and will refuse oversize streams. If you keep, say, 720×480 inside a 3GP wrapper, modern players (VLC, MX Player) will play it but feature phones won't. If your goal is broad device compatibility, downsize to QVGA (320×240) or smaller.

Why does my Xvid file have AC-3 or DTS audio that 3GP can't carry?

3GP only carries AMR-NB, AMR-WB, AMR-WB+, AAC-LC, HE-AAC v1, or HE-AAC v2. AC-3 and DTS are common in DVD-rip Xvid AVIs but are out of spec for 3GP. xconvert automatically transcodes the audio track to AAC-LC (or AMR-NB on lower-quality presets) — no manual codec mapping required.

Can I batch convert several Xvid episodes to 3GP at once?

Yes. Drop multiple files onto the upload area. Each file is processed in the same browser session with the same compression and resolution settings — useful for converting a folder of episodes for a long flight on an offline phone or media player. If you'd rather shrink the source instead of changing format, compress Xvid keeps the codec and just reduces size.

What's the difference between 3GP and 3G2?

3GP is the format defined by 3GPP for GSM/UMTS networks (specification TS 26.244). 3G2 is the parallel format from 3GPP2 for CDMA2000 networks — it's almost identical but adds support for QCELP audio and uses the .3g2 extension. For Verizon and Sprint legacy CDMA hardware specifically, you may need Xvid to 3G2 instead.