Question: I need a tool to quickly create social media videos with customizable parameters like fps and audio.

If you need a tool to whip out social media videos with parameters you can customize like fps and audio, Typeframes is a great option. The AI-based system turns text into high-quality videos and lets you customize AI video templates with colors, fonts and layout to match your brand. It's designed for social-first creation with vertical videos and can add AI-generated voiceovers that you can control with speech rate and volume. Typeframes also offers flexible export options and a range of subscription tiers, so it can accommodate different content creation needs.

Another contender is VideoGen, which relies on modern text-to-speech technology to speed up video creation. It has features like one-click video creation, a 3M+ copyright-free asset library and multilingual support for subtitles and voiceovers. VideoGen is good for fast turnaround times for social media, with the ability to A/B test and iterate on messaging. The company offers a range of pricing tiers, so it's good for digital marketing and social media content creation.

If you want a tool that's easy to use and simple, check out FlexClip. This free online video editor has more than 6,000 templates and a range of AI tools, including the ability to convert text to video and generate audio. FlexClip also has a large library of assets and collaboration, cloud storage and high-resolution export options. It's good for creating and sharing videos directly to social media sites.