ERSI Tools is a growing suite of practical AI tools for job seekers, creators and busy people. Pick a tool, paste your info, done.
Every tool is free to try every day. No account, no credit card — just open, paste and copy.
Turn one video topic into 10 high-CTR YouTube titles in seconds. Six tone styles: clickbait, SEO, viral and more.
Open tool FREEAn ATS-friendly cover letter tailored to the exact job, written in 30 seconds. Five tones, one-click copy.
Open tool FREEDoes your resume survive the ATS robots? Get a 0-100 score, missing keywords and fixable issues in seconds.
Open tool FREEProfessional HTML email signatures in 30 seconds. Pick a template, fill your details, paste into Gmail or Outlook.
Open tool FREEA LinkedIn bio recruiters actually read: a punchy headline plus three full summaries, five tones and smart hashtags.
Open toolNew tools are added regularly — image, PDF and video helpers are next on the list. Check back soon.
Built by an independent developer who believes useful tools should be free to try.
Every tool gives you free daily uses with no account. Upgrade to Pro only if you outgrow the free tier — one-time payment, keep forever.
Your data is sent to the AI engine only for processing — never stored, sold or shared. No sign-up means no account to leak.
Yes. Every tool offers free daily uses without signing up. Pro is an optional one-time upgrade ($20) for unlimited use — no subscription.
No. Open a tool, paste your info, get results, copy. Your daily free quota is stored locally in your browser.
New tools are added regularly. Image compression, PDF and video helpers are the next ones in the pipeline.