GIF to AVI Converter

How to Convert GIF to AVI Online

1. Upload Your GIF Files: Drag-and-drop or click "+ Add Files" to add one or more animated GIFs. Batch conversion is supported, and processing happens in your browser session — files never leave your device.
2. Pick Video Codec and Quality Preset: Default is MPEG-4 (Xvid-compatible), which plays in nearly every legacy AVI player. Switch to H.264 for smaller files at the same quality, MJPEG for frame-accurate editing, or Huffyuv / FFV1 if you need mathematically lossless output. Set the Quality Preset (Lowest → Highest, default Very High) or switch the compression mode to Constant Quality (CRF) for finer control.
3. Set Frame Duration, Resolution and Background (Optional): Pick a Preset Resolution (240p through 4320p / 8K, plus 1920x1080, 1280x720, 480x854, and social ratios like 1080x1920), enter a custom Width x Height, or scale by Resolution Percentage. Adjust Image Duration per frame from 1/60s up to 10s and choose a Video Background Color for transparent GIF pixels (default black).
4. Convert and Download: Click "Convert" and download each AVI individually or grab the ZIP. No sign-up, no watermark, no email required.

Why Convert GIF to AVI?

GIF was designed by CompuServe in 1987 (and extended to GIF89a in 1989) for low-bandwidth dial-up image transfer. Every frame stores its own LZW-compressed bitmap with a palette of at most 256 colors, which is why a 5-second loop balloons past 10 MB while the same clip in a modern video codec is under 1 MB. AVI — introduced by Microsoft on 10 November 1992 as part of Video for Windows — is a container that can wrap MPEG-4 ASP (DivX/Xvid), H.264, MJPEG, or lossless codecs and play audio in sync with the video stream. Converting an animated GIF to AVI is useful when you need to:

• Edit in older or DV-era NLEs — Sony Vegas 13, Premiere CS6, Avid Media Composer 5 and many camcorder bundled apps refuse to import animated GIFs but accept AVI on the timeline without re-wrapping.
• Hand a clip to a Windows-only or legacy partner — AVI is still the default deliverable for industrial machine-vision software, CCTV review tools, and most "video for Windows" automation pipelines.
• Author DVDs or other MPEG-2 workflows — DVD authoring tools (DVD Architect, TMPGEnc Authoring Works) consume AVI but reject GIF; converting first removes a re-encode step.
• Archive with a lossless codec — wrapping the frames in Huffyuv or FFV1 inside AVI preserves every pixel of the original GIF while ditching the 256-color palette ceiling and the inefficient per-frame LZW.
• Add an audio track later — GIF has no audio stream at all; AVI lets you mux a voiceover, music bed, or sound effect once you have the video in your editor.
• Embed in PowerPoint 2010 / Word legacy templates — older Office builds embed AVI cleanly but treat animated GIFs as static thumbnails on certain slide layouts.

GIF vs AVI — Format Comparison

Codec Quick Guide for AVI Output

Need a different output container? Try GIF to MP4 for the web-default H.264/AAC pairing, GIF to MOV for Final Cut / QuickTime, or GIF to WebM for VP9 in modern browsers. Going the other direction is AVI to GIF.

Frequently Asked Questions

Why is my AVI file so much larger than the original GIF?

Because GIF only stores 256 colors per frame and uses palette-indexed LZW, a small animated GIF can look deceptively compact. The moment you convert to AVI with a 24-bit codec like MPEG-4 or H.264, every frame carries full-color data and the file is typically 2-5× larger unless you drop the resolution or raise the CRF. If size is the goal, convert GIF to MP4 instead — H.264-in-MP4 is dramatically smaller than any AVI variant.

Will the AVI have audio?

No. The GIF format has no audio stream at all (it was finalised before browsers handled sound), so the output AVI is silent. If you need a voiceover or music bed, import the AVI into a video editor and add the audio track there.

Should I pick MPEG-4 (Xvid), H.264, or MJPEG?

Xvid (the MPEG-4 ASP default) is the safest choice for AVI — it plays in VLC, MPC-HC, Windows Media Player 12 and on standalone DivX/Xvid-certified players. H.264 produces smaller files at the same visual quality but some pre-2010 AVI hardware players skip it. Pick MJPEG only if you plan to edit frame-by-frame in an older NLE — it stores each frame as a complete JPEG, so files are very large but cuts are precise.

Why does the converted video have a black background where my GIF was transparent?

GIF supports single-color transparency via a palette index, but AVI codecs (MPEG-4, H.264, MJPEG, etc.) render full opaque frames. The converter substitutes a solid background color — black by default. Change it under "Video Background Color" before converting; the dropdown offers white, gray, and 20+ named colors.

What frame rate will the AVI play at?

By default, each GIF frame is held for the duration encoded in the GIF89a Graphics Control Extension (typically 1/10 of a second, i.e. 10 fps). You can override this with the "Image Duration" option, which accepts presets from 1/60s (60 fps) up to 10s per frame. Many older GIFs were authored at 10-15 fps, so leaving it on the GIF's own delay usually preserves the intended pacing.

Can I trim or cut part of the GIF before converting?

Yes — open the Video Trim options to set a start time and duration in hours:minutes:seconds:milliseconds. The converter only encodes the kept range, which also shrinks the output AVI. If you need richer cutting with a visual timeline, convert first and then run the AVI through the dedicated video cutter.

Is 4 GB still the AVI file size limit?

Standard AVI uses 32-bit offsets and caps at 4 GB, but the OpenDML 1.02 extension proposed by Matrox in February 1996 (now universally supported by VLC, FFmpeg-based tools, MPC-HC and every modern editor) chains additional RIFF "AVIX" chunks and effectively raises the ceiling to whatever the filesystem allows. Our converter writes OpenDML-compliant AVI when output exceeds 4 GB.

Can I convert a batch of animated GIFs at once?

Yes. Drag all your GIFs onto the page or use "+ Add Files" — they convert with the same codec, quality preset, resolution and background color, then download as individual AVIs or as one ZIP. Each file processes locally in your browser session.

My GIF is only 200 KB — should I bother with AVI?

If the destination is the web, a chat app, or social media, no — modern players prefer MP4 or WebM and Reddit, Twitter/X and Discord all auto-convert GIFs to MP4 on upload anyway. Pick AVI when the receiving software specifically requires it (legacy Windows editors, CCTV review tools, industrial machine-vision pipelines, DVD authoring). For everything else, GIF to MP4 or simply compressing the GIF is a better fit.