Free Tools · No Signup
Eleven utilities for short-form content teams.
Calculate engagement rate, price a sponsored post, find your best time to post, check your safe zone, score hooks, rewrite scripts, generate angles, analyze voice, clean up captions. Each tool answers one question and ships an answer in under a minute. No email, no card, no signup.
- Open tool
Calculate · by followers or views
Engagement Rate Calculator
Enter followers (or views) plus likes, comments, shares, and saves. Get your rate and where it lands on the platform benchmark — TikTok, Instagram, or YouTube.
- Open tool
Calculate · price a brand deal
Sponsored Post Rate Calculator
Find out how much to charge for a sponsored post. Enter followers, engagement, deliverable, and niche — get a market-rate range with usage and exclusivity add-ons.
- Open tool
Schedule · by day & timezone
Best Time to Post
A day-by-day posting schedule for TikTok, Reels, and Shorts. Pick your audience's country and convert peak times to your own timezone.
- Open tool
Design · upload a screenshot
Safe Zone & Aspect Ratio Checker
Upload a frame and see where the TikTok, Reels, or Shorts UI covers it. Keep text and faces in the 9:16 safe zone — your image never leaves your browser.
- Open tool
Score · 0–100
Viral Score Checker
Paste any short-form script. Get a velocity score, hook strength, retention risk, and what's missing.
- Open tool
Transcribe · paste a URL
TikTok Transcript Generator
Paste any TikTok URL and get the full spoken transcript in seconds, plus a hook effectiveness score. No signup.
- Open tool
Transcribe · paste a URL
Instagram Reels Transcript Generator
Paste any Instagram Reel URL and get the full spoken transcript in seconds, plus a hook effectiveness score. No signup.
- Open tool
Rewrite · 1 click
TikTok Script Rewriter
Drop a script in. Get a tighter, more-hook-forward version with the same point and a cleaner CTA.
- Open tool
Generate · 10 angles
Viral Hook Generator
Type a topic. Get ten hook angles modeled on patterns that already broke past the velocity threshold.
- Open tool
Analyze · paste 3 samples
Brand Voice Analyzer
Paste three pieces of writing. Get a structured voice profile: register, vocabulary, sentence shape, taboos.
- Open tool
Rewrite · per platform
Caption Rewriter
Paste a caption. Get a tightened version for TikTok, Reels, or Shorts — platform-aware, no emoji slop.
Want the whole engine?
The full product turns these tools into one workflow.
ViralRemix pairs the scoring, rewriting, and brand-voice memory with a curated viral library and per-client workspaces.