Convert QuickTime (.qt) to 3GPP Multimedia (.3gp) online for free. Fast, secure video conversion with no watermarks or registration.
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Choose your output settings. The default settings work great for most files.
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QuickTime (.qt) is Apple's original multimedia container introduced in 1991 for Mac System 7. It uses an atom/box architecture that later became the foundation for MPEG-4 Part 14 (MP4). 3GP is the 3GPP consortium's mobile multimedia format designed for GSM and UMTS networks, optimizing for low bandwidth with H.263 or MPEG-4 Part 2 video plus AMR audio. Converting QT to 3GP reformats Apple's desktop-oriented container into a compact mobile-friendly file that older feature phones and budget Android devices can play natively.
QT files require QuickTime Player or specialized software, and Apple deprecated QuickTime for Windows in 2016. 3GP files are universally recognized by mobile networks and devices dating back to early 3G handsets. This conversion is essential when you need to send video via MMS, share clips on legacy mobile platforms, or prepare content for regions where feature phones remain common.
The converter extracts video and audio streams from the QT atom structure and re-encodes them using H.263 or H.264 Baseline Profile for video and AMR-NB for audio. Resolution is typically scaled down to QCIF (176x144) or CIF (352x288) to meet 3GP specifications. The bitrate is constrained to 64-384 kbps to ensure smooth playback over cellular connections.
Expect significant quality reduction since 3GP targets much lower resolutions and bitrates than typical QT files. Video will appear softer at QCIF/CIF resolutions, and AMR audio narrows the frequency range to 300-3400 Hz. For voice-heavy content the quality is adequate; for music or detailed visuals, consider MP4 instead.
| Device | MOV | 3GP |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Native |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
QT to 3GP conversion bridges the gap between Apple's desktop multimedia ecosystem and mobile-first playback. While quality is limited by 3GP's mobile-oriented constraints, the format ensures maximum device reach across cellular networks worldwide.
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ไฟล์ถูกลบอัตโนมัติหลังการประมวลผล
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ใช้ได้ทุกที่
| No |
ทุกเบราว์เซอร์ ทุกอุปกรณ์
| ฟีเจอร์ | MOV | 3GP |
|---|---|---|
| ชื่อเต็ม | Apple QuickTime Movie | 3GPP Multimedia |
| นามสกุล | .mov | .3gp |
| เหมาะที่สุดสำหรับ | High quality | Mobile optimized |