Krex AI

Generation language

Default language for AI-written scripts, TTS voiceovers, and captions. You can still override per-job.

Blog

Make content that performs,
without the grind

Tutorials, guides, and automation playbooks to get more from Krex AI.

Announcements

We Measured Our AI Detector Until It Broke. Here's Everything We Found.

Most AI-detection tools publish confidence. We publish curves. What our detector catches, what walks right past it, the famous method that failed our tests at every scale — and why we scoped our product claim to what the data supports.

Jul 12, 20265 min read
AI Automation

Put your content on autopilot with the Krex AI Skills for Claude

Five composable Claude skills — coach, brand-brief, writer, grader, scheduler — turn a vague idea into a graded, on-brand, scheduled post. Here's how the loop works.

Jun 23, 20261 min read
Announcements

Introducing Krex AI: every AI content tool in one box

UGC video, talking-head avatars, product ads, a prompt studio, competitor research, and now an automation layer — without stitching together ten subscriptions.

Jun 20, 20261 min read
How-to

How to make a UGC ad in 3 minutes

Pick an avatar, paste your product, write three lines — Krex AI renders a scroll-stopping talking-head ad with captions baked in. A step-by-step walkthrough.

Jun 18, 20261 min read
Announcements

Three Flows From Idea to Published: Launch, Weekly, and Outcompete

Start with your goal, not a blank editor. Launch a product, plan a week of content, or rebuild a rival's winning ad — each flow runs idea to published.

Jun 16, 20262 min read
Content Strategy

Reverse-engineer any viral video into your own

Paste a competitor's TikTok or Reel and Krex AI extracts the hook, format, pacing, and emotional driver — then rebuilds it as your version. Stop guessing what works.

Jun 15, 20261 min read
Comparisons

In-House vs Agency vs AI for Content Production

In-house gives control, an agency gives expertise, AI gives speed and volume. Here's how they compare on cost and capacity — and why a hybrid usually wins.

Jun 14, 20263 min read
Content Strategy

How to Study Competitors Without Copying Them

The win isn't cloning a rival's ad. It's extracting the pattern behind it (hook, pacing, structure) and rebuilding that pattern as your own.

Jun 12, 20263 min read
How-to

How to Turn One Ad Into Ten Variations for A/B Testing

Vary the hook, avatar, and scenes, batch render ten versions, post them, then pour your budget into the one that wins.

Jun 9, 20263 min read
AI Automation

The Content Loop: Write, Grade, Render, Schedule, Repeat

Krex AI's in-app coach drafts a post, grades it against your brand, renders the video, and queues it to publish — a loop that turns one idea into shipped content.

Jun 5, 20262 min read
Content Strategy

Repurpose One Idea Across Every Platform

One concept can become a dozen native posts. Here's how to re-cut, re-caption, and re-dub a single idea per platform without starting over each time.

May 22, 20263 min read
AI Automation

Schedule Once, Auto-Publish Everywhere

Connect TikTok, Reels, Shorts, YouTube, and Facebook once, then let Krex AI push every scheduled post out automatically — the right format, the right time, no manual uploads.

May 18, 20262 min read
Comparisons

AI-Generated B-Roll vs Stock Footage

Stock footage is fast and proven; AI B-roll is unique and made for your exact shot. Here's how they compare on relevance, licensing, cost, and control.

May 15, 20263 min read
How-to

How to Write a Hook That Stops the Scroll

Your first line and first three seconds decide everything. Learn proven hook patterns, real examples, and how to draft variants fast.

May 12, 20263 min read
Announcements

Your Ads Now Speak Ten Languages

Build one ad and Krex AI auto-dubs and re-captions it into ten languages, so a single render reaches new markets without a single reshoot.

May 8, 20262 min read
Comparisons

Text-to-Video vs Avatar-Led Ads: When to Use Each

Text-to-video gives you scenes and motion; avatar-led ads put a person front and center. Match the format to your goal and your ads work harder.

Apr 27, 20263 min read
AI Automation

Generate a 7-Day Content Calendar in One Click

The Weekly flow plans a reviewable seven-day calendar around your goal, then lets you render and schedule each post on demand — no blank page, no Sunday-night panic.

Apr 22, 20262 min read
Content Strategy

The Hook, Retention, CTA Framework for Short Video

Every short ad that works follows the same three-part structure. Here's what the hook, the middle, and the close each have to accomplish.

Apr 19, 20263 min read
Announcements

Winning Ads: Swipe Proven Ads and Rebuild Them as Your Own

Browse a library of high-performing short-form ads, study what makes them work, then one-click rebuild any of them with your product and your avatar.

Apr 15, 20262 min read
How-to

How to Make a Faceless Product Ad (No Avatar Needed)

Combine product B-roll, a voiceover, captions, and a clean end card to ship a high-converting ad without ever showing a face.

Apr 2, 20262 min read
AI Automation

Run Your Whole Content Engine From Claude With the Skills Pack

Install the Krex AI Skills pack and drive your entire content engine from Claude — plan, write, grade, render, and schedule ads over the same API, in plain language.

Mar 30, 20262 min read
Content Strategy

How Often Should You Post Short-Form Video?

Cadence beats perfection on every platform. Here's how often to post by stage, and how volume plus automation makes a real schedule sustainable.

Mar 26, 20263 min read
Announcements

Introducing the Marketing Copilot: Describe an Ad, Get a Finished Video

Chat your brief in plain language. The Copilot scrapes your product, plans the scenes, writes the script and captions, and builds the full ad once you confirm.

Mar 20, 20262 min read
Comparisons

AI Ads vs Hiring UGC Creators: Cost, Speed, and Control

Hiring UGC creators buys you real authenticity; AI ads buy you speed, low per-asset cost, and volume. Here's how to weigh turnaround, iteration, and when a human still wins.

Mar 18, 20263 min read
How-to

How to Create a Talking-Head Avatar From a Single Photo

Upload one portrait or generate a presenter, add a voice, and render a lip-synced talking-head ad that reads your script on camera.

Mar 14, 20262 min read
AI Automation

Put Your Short-Form Content on Autopilot

Set up standing programs that render and post on a cadence, so your TikTok, Reels, and Shorts feeds never go quiet — even on the weeks you forget to log in.

Feb 25, 20262 min read
Comparisons

AI Avatars vs Filming Yourself: Which Should You Use?

AI avatars give you speed, consistency, and scale. Filming yourself gives you authenticity. Here's an honest breakdown of when each wins for short-form ads.

Feb 21, 20263 min read
Content Strategy

Why UGC-Style Ads Beat Polished Brand Spots

In muted, fast-scrolling feeds, native person-first content reads as a real recommendation while billboard-style spots get scrolled past. Here's why.

Feb 18, 20263 min read
Announcements

Meet Personal Clones: Turn One Photo Into Your On-Camera Spokesperson

Upload a single photo, optionally link your cloned voice, and Krex AI renders you presenting any ad — no camera, no studio, no shoot day required.

Feb 12, 20262 min read
How-to

How to Turn a Product URL Into a Video Ad

Paste any product link and let Krex AI pull the brand, images, and details, draft a script, then render a ready-to-post ad in minutes.

Feb 8, 20262 min read