Which formats can I convert?

MP4, MOV, WebM, MKV, AVI, WMV, FLV, MPEG and ProRes. Some rare codecs (for example Windows Media Video 9) aren't supported.

Will it keep the sound?

Yes, audio is kept as AAC unless you choose Mute.

Is the quality reduced?

You choose the bitrate. Auto picks a high-quality default that never exceeds the source.

Free Online Video to MP4 Converter — No Upload

video

Drag & drop a video here to swap the clip

Zoom

0:00.0

Space Play / pause ←→ Prev / next frame HomeEnd Clip start / end IO Set in / out VRZ Move / Rotate / Scale Shift Snap rotation 5°

MoveDrag the preview to reposition the video in the frame. V

RotateDrag the preview to spin · hold Shift to snap 5°. R

ScaleDrag up / down to resize the video in the frame (0.1×–4×). Z

Pinch to zoom · drag to move · use the dial to rotate

Easy — just pick a size, we optimize the rest. Advanced — full control.

Format

GIF — silent, loops, universal. MP4 keeps the audio & is far smaller. MP3 — audio only.

Trim

In Out

selection 0.0s

Drag the timeline handles, or type In / Out.

Output size MB

We pick the best width / fps / quality to fit.

Crop & frame

Rotate °

Drag the dial for fine rotation; 90° / Reset for quarter-turns.

Frame rate fps

Frames per second. Higher = smoother but heavier; capped at the source rate.

Speed %

Play faster or slower (25–400%). Slower = more frames, bigger file.

Width px

Output width in pixels (height follows the frame).

Resolution

Output resolution — the short side (so 1080p → 1920×1080 landscape or 1080×1920 vertical). Capped at the source — no upscaling.

Bitrate Mbps

Mute — export without audio

Video bitrate (Mbps): higher = sharper, bigger.

Quality

Loop forever

Per-frame color accuracy: Draft → Good → Best.

Audio bitrate

kbps — higher = better sound, bigger file. 192 is a solid default.

Caption

Bold meme-style text, baked into the export.

Filters

Black & white

Brightness %

Contrast %

Saturation %

Fit to size MB

Auto-tune width & fps (GIF) or bitrate (MP4) to fit a target — handy for Discord/email limits.

Watermark

GifLab logo · on

GifLab logo, on by default. Remove it via a quick email.

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