Yes! Convert999 works on any device with a web browser — iPhone, Android, iPad, or desktop. No app installation required. Simply open the converter, upload your SWF file, and download the converted FLV file.
Will I lose quality converting SWF to FLV?
Convert999 uses high-quality conversion algorithms to minimize quality loss. For lossless formats, the conversion is exact. For lossy formats like images and audio, we use optimized settings that balance quality and file size.
Can I batch convert multiple SWF files to FLV?
Yes, Convert999 supports batch conversion. Select or drag & drop multiple SWF files and convert them all to FLV format at once. Each file is processed locally in your browser.
What is the difference between SWF and FLV?
Shockwave Flash (SWF) and Flash Video (FLV) differ in compression, compatibility, and features. SWF is optimized for its native use cases, while FLV may offer different advantages. Visit our SWF vs FLV comparison page for a detailed breakdown.
Why Convert SWF to FLV?
Advantages
✓Flash Video offers better compatibility with modern applications and workflows
✓Converting is completely free with no file size limits on Convert999
✓Your files never leave your device — 100% private and secure conversion
✓Instant conversion without waiting for server processing
Key Differences
→SWF (Shockwave Flash) is optimized for its native use cases
→FLV (Flash Video) may offer different compression or feature set
→Choose based on your target platform, quality needs, and file size requirements