AI for Growth

Free, private, bring-your-own-key tools for people building and marketing with AI. Your keys and content never leave your browser. Nothing is stored.

AI cost & tokens

LLM API Cost Calculator

Compare model costs side-by-side with exact token counts.

APIs & keys

API Key Tester

Check any AI API key in your browser — your key never leaves your machine.

AI visibility / GEO

Claude Citations Audit

See how your site shows up in the search results Claude cites.

Social & content intel

LinkedIn Post Date Extractor

Find the exact date and time any LinkedIn post was published.

LinkedIn Post Text Extractor

Copy the full text of any LinkedIn post.

LinkedIn Post URN Extractor

Pull the URN identifier from any LinkedIn post URL.

LinkedIn Profile ID Finder

Find the numeric entity ID behind any LinkedIn profile.

Instagram Post Date Finder

Find the exact date of any Instagram post.

Reddit Post Date Finder

Get the exact timestamp of any Reddit post.

TikTok Video Date Extractor

Find when any TikTok video was posted.

Tumblr Post Date Finder

Find the exact date and time any Tumblr post was published.

These tools are how Elegant Atomics thinks about growth for B2B SaaS. Work with us.

Work with Elegant Atomics