Free tools
Free tools for newsletter growth
Fast, free tools for publishing on X, LinkedIn, and Threads and growing a newsletter people buy from. No signup, no watermark, no catch.
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Free X (Twitter) Character Counter
Draft the post and watch the count exactly as X counts it. URLs collapse to 23 characters, emojis count double, and the limit is still 280 unless you have Premium.
Free X (Twitter) character counter. Live count against the 280 character limit with URL shortening to 23 characters, emoji weighting, and a post preview.
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Free X (Twitter) Thread Splitter
Paste long-form writing and get a clean, numbered thread. Every post lands under the 280 weighted-character limit, URLs stay whole, and your paragraph breaks survive the split.
Free X (Twitter) thread splitter. Paste long-form writing and get a numbered thread with every post under the 280 character limit and URLs kept whole.
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Free Timeline Blocker for X (Twitter)
Post without the feed. Drag one bookmarklet to your bookmarks bar and X opens quiet: no timeline, no trends, no suggested follows. Click it again and everything comes back.
Free timeline blocker for X (Twitter). A one-click bookmarklet that hides the feed, trends, and suggested follows so you can post, reply, and leave.
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Free LinkedIn Text Formatter (Bold and Italic)
Write the post, select the words that matter, and make them bold or italic. Preview exactly where LinkedIn folds your post behind see more, so the hook earns the click.
Free LinkedIn text formatter. Make post text bold or italic, preview the see more fold, count characters against the 3,000 limit, and copy in one click.
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Free Threads Character Counter
Threads gives you 500 characters per post, almost double what X gives you. Watch the counter, check the preview, and use the room without filling it just to fill it.
Free Threads character counter with the 500 character limit, full-length URL counting, emoji weighting, and a live post preview for Meta Threads.
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Free Email Subject Line Tester
Write your subject and preheader, then see exactly how they render in Gmail, Apple Mail, and Outlook on every screen size. Catch truncation, spam signals, and weak preheaders before you hit send.
Free email subject line tester. Preview your subject and preheader in Gmail, Apple Mail, and Outlook with character limit warnings and spam signal checks.
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Free Newsletter List Value Calculator
What is your email list actually worth in dollars per month? Enter five inputs and see the math behind your revenue per subscriber per year.
Free calculator to estimate what your email list is worth. Enter five inputs and see monthly revenue, annual revenue, and revenue per subscriber.
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Free Link Preview Generator
See exactly how your link will render across X, LinkedIn, Facebook, and iMessage before you publish. Enter your metadata and copy the Open Graph tags ready for your page.
Free link preview generator. See how your link renders on X, LinkedIn, Facebook, and iMessage, then copy ready-to-paste Open Graph meta tags.
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