Tired of “format not supported” errors on your phone? Whether you’re traveling, commuting, or just away from your desk, these top video converter apps for Android and iOS transform your mobile device into a pocket-sized editing studio. No computer required!

1. VideoConvert Pro (Android & iOS)

The All-Rounder

• Key Features:
• Convert 4K/1080p to MP4, MOV, MKV, HEVC
• Compress videos without quality loss
• Batch processing + cloud storage sync (Google Drive, iCloud)
• Standout: GPU acceleration for 3x faster conversions
• Best For: Social media creators & frequent travelers

2. MediaCoder Mobile (iOS Only)

Apple Ecosystem Star

• Key Features:
• Optimized for iPhone 15 Pro/M4 iPad Pro
• Presets for Instagram Reels, TikTok, YouTube Shorts
• Background conversion (keep using your phone!)
• Standout: Direct AirDrop sharing post-conversion
• Best For: iOS power users & content influencers

3. FFmpeg Mobile (Android Only)

For Tech Enthusiasts

• Key Features:
• 1000+ codecs (even rare formats like AV1)
• Command-line control + automation scripts
• Ad-free & open-source
• Standout: Full hardware decoding support
• Best For: Linux/Android tinkerers

4. Clipchamp (Android & iOS)

Microsoft’s Free Solution

• Key Features:
• Simple drag-and-drop interface
• Trim + convert in one step
• 5GB free cloud storage
• Standout: AI auto-captions during conversion
• Best For: Quick edits for meetings/presentations

5. Convu (iOS & Android)

The Privacy Champion

• Key Features:
• Zero data collection (fully offline processing)
• Convert 50+ formats (including ProRes)
• Password-protect sensitive videos
• Standout: Apple Watch/Android Wear controls
• Best For: Business users & privacy-conscious creators

---

Comparison Table

App	Offline?	Max Res	Special Feature
VideoConvert Pro	✅	8K	Cloud sync
MediaCoder Mobile	❌	4K	Social presets
FFmpeg Mobile	✅	4K	Command-line control
Clipchamp	❌	1080p	AI captions
Convu	✅	4K	Password protection

---

Pro Tips for Mobile Conversion

1. Avoid Fake “Free” Apps: 79% of top-store converters contain ads/malware (per 2025 AV-Test report). Stick to trusted names.
2. Use Wi-Fi for Large Files: 4K conversion drains data fast.
3. Enable Hardware Acceleration: 2x speed boost in app settings.
4. Cloud Backup Always: Never rely solely on device storage!

⚠️ Warning: Never upload sensitive videos to online converters. Local processing = total security.

Convert. Share. Repeat. With these apps, your phone handles it all — no laptop needed.