Fillr
Turn rough thoughts into polished writing on any website.
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Sebastian Borge

Fillr - Turn rough thoughts into polished writing on any website.

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Most people already know what they want to say. The hard part is turning a rough thought into something polished. Fillr is an AI Chrome extension that works directly inside the websites you already use. Instead of switching tabs, rewriting messages, or staring at blank text boxes, Fillr helps transform rough ideas into clear emails, messages, prompts, application answers, summaries, and more.

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Sebastian Borge
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Hey everyone — Sebastian here, founder of Fillr. The idea came from noticing how much time I spend not thinking, but wording. Most of my day looked like turning: "follow up" into an email. "still interested" into a message. "friday works" into three paragraphs. I realized I usually already knew what I wanted to say. The frustrating part was turning that thought into something polished. So I built Fillr. Instead of opening another AI tab and copying context around, Fillr works directly on the page you're already using. You can activate it anywhere and turn rough thoughts into emails, replies, prompts, application answers, summaries, and more. I'd love to hear where you think this would fit into your workflow and what you'd want it to help with.