Blog Booster

Blogging toolkit: thumbnails, GIFs, AI post drafts and Google Trends

Blog Booster is a free Chrome extension that opens as a side panel next to your blog editor, so you can make thumbnails, convert GIFs, draft posts with AI and find trending topics without switching tabs. It works with any blog — WordPress, Tistory, Naver Blog, Medium and more. ■ Thumbnail maker • Drop in a photo or paste a copied image, type a title, and get a square thumbnail • 13 text box styles — sticker, highlighter, letter tiles, info bar and more — each with matching colors • 10 fonts licensed for commercial use (SIL OFL), including Korean display fonts • Drag the text box anywhere, with center snapping and arrow-key nudging • 1:1, 4:3 or original ratio, photo darkening, readability boost, PNG/WebP export and clipboard copy ■ AI writer (Google Gemini) • Enter a topic and get a draft with a separate title and body • Save post formats (structure, tone, length) for consistent results • Copy the title and body with one click and paste them into any blog editor • Runs on your own Gemini API key — you can start on Google AI Studio's free tier • Clear explanations and fixes for errors like quota limits or invalid keys ■ Trends • See Google Trends' live trending searches right in the panel • Detects your region automatically; choose any of 45 countries • Sort by volume or recency, with search volume and start time • Click Write to turn a trend into an AI draft ■ GIF maker • Convert up to 60 images or one short video into a GIF • Adjust frame delay and size, with dithering for smooth gradients • Everything is processed on your computer — files never leave your browser ■ Everyday comforts • Light and dark themes, Korean and English (chosen automatically by region) • Your last style, font and post format are remembered ■ Free to use • 3 image creations and 3 AI drafts a day for free; trends are unlimited • Watch one ad to unlock everything for 24 hours (up to twice a day) • No sign-up required ■ Privacy • Your Gemini API key, editor settings and post formats are stored only in this browser. • Our server keeps only an anonymous ID and daily usage counts to manage free uses — never your posts, photos or API key. • The extension never injects scripts into your blog or other web pages. Privacy policy: https://blogbooster.nori.day/en/privacy Contact: support@nori.day Blog Booster is not affiliated with or endorsed by NAVER or Google.