🚀 Hashtag Helper

Your marketing assistant for TikTok, Instagram Reels, YouTube Shorts & Reddit — trending hashtags, SEO phrases, AI captions, per-platform post kits and launch plans.

1 Upload your video
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Click to choose a video or drag & drop it here

MP4, MOV, WebM — stays on your device, never uploaded anywhere

TikTok search & nav
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Caption, sound & progress bar
2 What is your video about?

We'll turn your words into extra hashtags, separated by commas or spaces.

🎯 Post Kit — everything you need for one platform

Pick where you're posting and get a complete, ready-to-paste kit: hook, caption, hashtags, best time, format specs and a platform checklist. Fill in Step 2 first.

More tools
🏷️ All hashtag setsCompare TikTok · Reels · Shorts side by side
🔥 Live trends & soundsToday's trending hashtags, songs and top posts
🔌 Site owners: connect your backend (powers AI captions & reliable Reddit)

Deploy the included hashtag-helper-backend worker (free, ~10 min — see its README), then paste its URL here. No API keys needed for your visitors.

✍️ All captions at onceEvery platform together, plus AI versions & SEO phrases

🔍 TikTok & Instagram SEO phrases

Both platforms now rank videos by search keywords — in your caption, said out loud, and in on-screen text. Tap a phrase to copy it, then work it into all three places. Changes with your category in Step 2.

⏰ Best times & pre-post checklistWhen to post and what to check before you hit publish

General engagement peaks (local time of your audience). Your own analytics beat any chart — check them after 2 weeks of posting.

PlatformBest daysBest times
🎵 TikTokTue–Thu10–11 am, 2–5 pm, 7–9 pm
📸 Instagram ReelsMon–Thu11 am–1 pm, 7–9 pm
▶️ YouTube ShortsThu–Sat12–3 pm, 7–10 pm
👽 RedditSat–Sun6–9 am (US time)
✅ Pre-post viral checklist (tap to check off)
  • Hook in the first 2 seconds — question, bold claim, or movement
  • Vertical 9:16 format, subject fills the frame
  • On-screen captions/subtitles (most people watch muted)
  • Under 35 seconds, or cut every scene that drags
  • Ends with a loop or a question to drive rewatches & comments
  • One clear CTA: follow, comment, or download
  • Trending audio checked for TikTok/Reels (rising sounds > peaked sounds)
  • SEO phrase in caption + said out loud + in on-screen text
  • Hashtags copied from this page ✨
  • Posting at a peak time (table above)
  • Reply to every comment in the first hour
🗓️ 7-day launch planTurn one video into a full week of posts
📊 Performance trackerLog your views to learn which hashtags actually work for you
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