I recently developed a free MP4-to-MP3 converter that allows uploading MP4 files up to 4GB in size and quickly converts them to MP3 format for export.
It runs directly in your browser without requiring downloads or logins, while ensuring audio quality and cross-device compatibility during conversion.
I'd love to hear your feedback on the conversion process, user experience, or potential technical improvements!
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I started building Super Productivity in late 2016 because I needed to log time against my Jira tickets. Ironically, I've never had to do that again on any project since.<p>But I kept building it anyway and for some reason I couldn't stop doing it. 8 years later it's a local-first task manager with time tracking and integrations for Jira, GitHub, GitLab, and others. Everything runs on your device - no cloud, no account required.<p>Why local-first? Three reasons:
- I didn't want to run servers or deal with auth systems
- I care about not having my work habits tracked
- I needed something that works offline
- Most of the companies I worked for would not allow for putting that kind of data into a random cloud service<p>Biggest lesson from 8 years: saying no is sometimes harder than building features. Every "quick addition" someone requests has hidden complexity and long term costs. I know how much effort goes into drafting ideas, so I often had a very hard time saying no to new additions, especially if people already provided the code and even more if it was good clean and tested code.<p>Now there is a plugin system with community plugins and this makes it much easier.<p>Still figuring out: sustainable funding without ads or selling data. Currently, it's donations + my own time. Would love to hear how others approach this.<p>Repo: https://github.com/johannesjo/super-productivity
Try it: https://super-productivity.com