Social Media & Creator

Free, browser-based tools for creators and social marketers - caption length checks, thread splitting, hashtag generation, engagement and earnings math, and content planning. Your data never leaves your browser.

Content Calendar Planner - Offline Social Media Scheduler

Plan and schedule social media posts on a month/week/list grid. Color-coded by platform and status. Everything saved in your browser - no account, no sync, export/import as JSON.
CPM / CPC / ROAS Calculator - Bidirectional Ad Math

Solve for CPM, CPC, CTR, impressions, clicks, spend, conversions, CPA, or ROAS - enter any known values and the rest calculate automatically.
Engagement Rate Calculator - ER by Followers & Reach

Calculate engagement rate by followers, by reach, or by impressions. Per-post and account-average modes with benchmark context bands for each platform.
Fake Tweet Generator - Mock Post Screenshot Maker

Create mock social-post screenshots rendered on an HTML canvas. Customize display name, handle, text, likes, and retweets. Download as PNG. Watermark on by default.
Hashtag Generator - Niche Hashtag Suggestions

Generate relevant hashtag suggestions from a topic or keyword using a bundled offline dataset. CamelCase toggle, chip cloud UI, 30-tag limit for Instagram.
Social Media Character Counter - All Platforms

Count characters for 10+ social platforms simultaneously: X/Twitter, Instagram, LinkedIn, Facebook, TikTok, YouTube, Pinterest, and more. Uses Intl.Segmenter for accurate emoji counts.
Social Media Image Size Guide - 2024 Dimensions

Reference all current social media image dimensions for every major platform. Check a local image against the recommended spec and see a crop-preview overlay.
Subscriber Milestone Countdown - Growth Projection

Project when you will hit your next subscriber or follower milestone using linear or compounding growth models. Download a .ics calendar event for the projected date.
Tweet / Thread Splitter - Long Text to Thread Posts

Split long text into numbered thread posts that fit X/Twitter (280 chars) or any custom limit. Greedy sentence-packing, two-pass numbering, drag-to-reorder.
YouTube Earnings Estimator - Revenue Projection

Estimate YouTube ad revenue from view count and RPM. See daily, monthly, and yearly income projections with low/mid/high range bands. Estimate only - not connected to YouTube.