AI explainer video maker with a reviewable script

Evaluate an AI explainer video maker on the source facts it keeps and the edits you can make. Bring one approved document, review the script, then check a specific revision before choosing your workflow.

Or pick a video type to get started

“The draft looks polished. Did it keep the facts?”

Source
You select a short approved document with a deadline, a process, and an exception. These give you concrete checks for the draft instead of judging the result only by its visual finish.
First script
The generated script sounds plausible, but an exception disappears during summarization. Compare the exact claims with the source before spending generation allowance on the video.
First video
A diagram introduces a relationship the document never stated. Review visual meaning as carefully as narration; attractive motion can still explain the wrong mechanism.
Revision
You ask to change one deadline. Check the spoken line, its caption, and any matching on-screen label, then compare the rest of the video with the original.
Decision
An unrecorded correction makes two tools look equally successful. Keep the actual output and hands-on intervention record so your choice reflects the workflow you would repeat.

“A common AI-assisted explainer planning scenario, not a customer testimonial.”

Give your AI-assisted explainer a source and a review step

The old way

Before ngram

The ngram way

After ngram

Evaluate tools on unrelated showcase videos. Different sources, styles, and review effort hide whether either tool can explain your own material accurately.

Use one source and a predeclared check list. Review the generated script and playback against the same names, numbers, relationships, and exception.

Accept a corrected scene after checking only the sentence you asked to change. A caption or neighboring visual can silently retain the old fact.

Compare the requested edit across narration, captions, and visual labels. Inspect surrounding scenes and retain both versions so the preservation claim can be checked.

Count a partially generated preview as a finished evaluation. Download issues, plan restrictions, and manual repairs surface only after the tool has been selected.

Check the actual exported video and record plan limits and intervention. Use the same review bar for ngram that you apply to every other tool.

Start your AI-assisted explainer with usable material

Choose the source that contains the facts for your source-based evaluation. Upload only material you have permission to use.

1Written sources

Bring the current source

PDF · Markdown · public URL

Use a document or public page

Upload a PDF or Markdown document, provide a supported deck, or paste a public URL. Identify the exact section to explain and supply any facts that require login separately as approved material.

Docs to video

2Visual sources

Bring the real demonstration

Recording · screenshots

Use actual footage or screenshots

Bring the recording or screenshot that shows the real task. State what viewers should notice and which names or numbers must stay exact. Review any generated visuals as illustrations, not evidence that an action occurred.

Screen recording to video

ngram

An editable AI-assisted explainer draft

Review the explanation in the editor, check the finished playback, then download the MP4. Source complexity and revision scope affect how much work and usage the video needs.

script generationcaptionsmotion graphics

A slide deck can also be a source. Supported PPTX/PDF input does not mean the finished video exports as an editable presentation.

Keep your AI-assisted explainer open to revision

The next change has a clear starting point

Keep the source and the intended takeaway together for your source-based evaluation. When the source changes, request a bounded update and compare it with the previous version.

Judge the explanation, not only the finish

Check whether the viewer can follow the mechanism or decision. Read the captions and listen to the narration; visual polish does not establish source accuracy.

Use a review your subject requires

Ask the appropriate owner to review procedures, pricing, and technical details. ngram drafts and edits the video; the source owner remains responsible for what it says.

Build your AI-assisted explainer from source to review

Set the source and acceptance checks

Prepare

Choose one approved source and define the facts, relationships, and exceptions the video must retain. Record the audience, desired duration, and exact edit request before testing.

Review the script and rendered draft

Review

Compare the script with the source, then inspect the actual playback. Record narration errors, unreadable labels, and corrections you had to make; keep the output for comparison.

Apply the same bounded revision

Verify

Change one fact or visual instruction. Compare the revised and original versions, record usage and manual fixes, then decide whether the workflow suits repeated work.

Prepare your AI-assisted explainer brief

Controls for your AI-assisted explainer at each review step

Explore all features

01 / 08

Script generation

Start with the facts you can support

For your source-based evaluation, ask ngram to draft a script from your sources, then check every claim against the original. Set the audience and the takeaway in the brief so the explanation has a clear purpose.

Learn more about Script generation

02 / 08

Motion graphics

Show a relationship that narration alone cannot

For your source-based evaluation, use animated text and callouts to explain a mechanism or sequence. Review arrows, labels, and timing against the source; a generated diagram needs the same factual check as the script.

Learn more about Motion graphics

03 / 08

Captions

Check the explanation with the sound off

For your source-based evaluation, generated captions make the spoken explanation readable. Review spelling, line breaks, and contrast, especially when a technical term or a number carries the meaning of a scene.

Learn more about Captions

04 / 08

Brand Kit

Keep recurring explanations visually consistent

For your source-based evaluation, apply the available Brand Kit to guide colors, fonts, logos, and tone. Check its treatment on the actual output, and choose a plan with the brand controls your recurring work needs.

Learn more about Brand Kit

05 / 08

AI voiceover

Listen to the names before you render

For your source-based evaluation, choose a supported voice and preview difficult terminology with pronunciation controls. A correct script can still confuse viewers if an acronym or product name sounds wrong in the narration.

Learn more about AI voiceover

06 / 08

Video editing

Make a bounded change and compare versions

For your source-based evaluation, edit narration through Edit → Script, or request a change to a specific scene. Review the revised output and compare surrounding scenes rather than assuming every unrelated detail stayed the same.

Learn more about Video editing

07 / 08

Translation

Review meaning in each target language

For your source-based evaluation, create localized narration and captions in supported languages. Have a fluent reviewer check the terminology and examples; translation alone does not establish that a lesson or commercial claim is accurate.

Learn more about Translation

08 / 08

Scene revision

Keep the next update scoped to the change

For your source-based evaluation, request a replacement for the scene whose source changed. Review its narration and visuals beside the prior version, then inspect adjacent scenes before exporting the updated explainer.

Learn more about Scene revision

Built for teams

Who owns the next AI-assisted explainer update?

All solutions

Product Marketing

Explain the value behind a release using approved claims and current screenshots. Keep a separate demonstration for the exact clicks, and revise the explainer when positioning or product behavior changes. Include this step in the same-source evaluation.

Feature announcement video

Growth & Marketing

Adapt the explanation for a specific audience and destination. Review each version as its own output, with a clear hook and a supported next step; measure results instead of assuming a conversion lift. Include this step in the same-source evaluation.

Landing page video

Founders

Turn the company or product story into a short explanation a new audience can follow. Start from the approved pitch, then check that the video has not turned an ambition into a claim. Include this step in the same-source evaluation.

Founder explainer

Sales Enablement

Explain a buyer question with the approved talk track and evidence. Keep buyer-facing explanation separate from rep training, and verify that the finished video adds no new promise about outcomes or price. Include this step in the same-source evaluation.

Sales demo video

Content Creators

Content Creators can use AI-assisted explainer projects to explain approved material to a specific audience. Keep the source current, name the takeaway in the brief, and review the changed scene when the underlying facts change. Include this step in the same-source evaluation.

Creator brand content

Customer Success

Explain a recurring customer question using the current help material and real screens. When the product changes, replace the affected explanation and check that the viewer can still follow the next step. Include this step in the same-source evaluation.

Customer onboarding video

Developer Relations

Use technical documentation and diagrams to explain a mechanism before the code walkthrough. Check terminology and relationships with the subject-matter owner, especially after the API or its behavior changes. Include this step in the same-source evaluation.

API documentation video

Solopreneurs

Build an explanation of your offer from the material you already maintain. Keep the scope narrow enough to review yourself, then save the accepted wording for the next update to the offer. Include this step in the same-source evaluation.

Product Hunt launch video

Startups

Startups can use AI-assisted explainer projects to explain approved material to a specific audience. Keep the source current, name the takeaway in the brief, and review the changed scene when the underlying facts change. Include this step in the same-source evaluation.

Startup explainer video

By size

Startups SMB Enterprise Solopreneurs Remote Teams

By industry

SaaS E-commerce Fintech Healthcare Real Estate

Choose the explanation your audience needs

Each job starts from different material and has a different review. Use an existing workflow rather than a blank brief.

All use cases

Educational explainers

For your source-based evaluation: turn approved lesson notes into an explanation for a defined learner level. When the curriculum changes, revise the example and check that the learning objective and factual meaning still hold.

Learn more

Concept and technical explanations

For your source-based evaluation: explain a mechanism using an approved diagram and a worked example. The technical documentation workflow is the closest existing path; check every relationship and term before using the video with customers or colleagues.

Learn more

Corporate training explainers

For your source-based evaluation: turn the current SOP into a learning objective, a worked step, and a recap. When the procedure changes, update the affected step and verify the rest with the process owner.

Learn more

Product explainers

For your source-based evaluation: use approved product facts and actual screens to explain the problem and how the product helps. A release or renamed feature is a reason to revise the explanation and check the demonstrated behavior.

Learn more

Buyer-facing sales explanations

For your source-based evaluation: explain one buyer question using approved solution material and relevant evidence. Adapt the emphasis for the evaluator, then check that the new version adds no unsupported ROI or commercial promise.

Learn more

Compare explainer workflows

Use the broader explainer video guide to choose among lessons, training, product, sales, and proposal work. Then return to your source-based evaluation with a specific source, audience, and review requirement.

Learn more

Starting from something else?

Bring the source for your AI-assisted explainer

Choose the supported source workflow that matches your material. Check the input requirements on its page before starting.

DocsVideo

Start from a current document with a clear owner and a revision date. Identify the passage to explain, export to a supported input when needed, and compare the video script with the source wording. Include this step in the same-source evaluation.

Convert Docs to Video

URLVideo

Use an accessible source page for the explanation and identify the section that matters. Supply approved material separately when the facts are behind login, and check the extracted facts before rendering. Include this step in the same-source evaluation.

Convert URL to Video

PPTVideo

Use a PPTX or PDF deck when the visual sequence already explains the story. Review the scene plan and narration; a slide title alone may not contain everything the viewer needs to understand. Include this step in the same-source evaluation.

Convert PPT to Video

TextVideo

Use the approved text as source material for your source-based evaluation. Identify the relevant section and supply any missing context, then review the generated script against the original before rendering the explanation. Include this step in the same-source evaluation.

Convert Text to Video

PDFVideo

Bring the approved PDF for a report, policy, or proposal explanation. Check tables and diagrams against the extracted script, and verify every date and amount before sharing the result. Include this step in the same-source evaluation.

Convert PDF to Video

BlogVideo

Adapt a published article into a creator-led explanation with a clear takeaway. Check the original citations and decide which example belongs in the video rather than trying to narrate every paragraph. Include this step in the same-source evaluation.

Convert Blog to Video

Also available

Screen RecordingVideo Product DocsVideo Release NotesVideo Help CenterVideo ScreenshotsVideo ImageVideo WebinarClips All converters

The rest of the toolkit

Tools to support your AI-assisted explainer

All ngram tools

Text to Video

Use Text to Video for the relevant production step in your source-based evaluation. Check its input requirements and output before incorporating the result, then review the complete explanation with its captions and narration together. Include this step in the same-source evaluation.

Try Text to Video

AI Video Generator

Generate a draft after you have decided what the explanation needs to say. Supply the approved facts and the intended audience; inspect any generated imagery before using it to represent a real product or procedure. Include this step in the same-source evaluation.

Try AI Video Generator

URL source workflow

Try URL source workflow

AI Voice Generator

Choose a voice that suits the audience and listen to the specialist terms before rendering. Correct pronunciation in setup rather than letting an unclear product name carry into every explanation. Include this step in the same-source evaluation.

Try AI Voice Generator

Auto Subtitle Generator

Review subtitles alongside the spoken explanation. Correct technical terms and numbers, and check whether the text remains readable when a diagram or product screen is also on screen. Include this step in the same-source evaluation.

Try Auto Subtitle Generator

AI Image Generator

Use AI Image Generator for the relevant production step in your source-based evaluation. Check its input requirements and output before incorporating the result, then review the complete explanation with its captions and narration together. Include this step in the same-source evaluation.

Try AI Image Generator

AI Avatar Video Generator

Use a presenter when a person speaking helps the audience follow the explanation. Review the script and presentation style against the job; an avatar does not establish expertise or customer endorsement. Include this step in the same-source evaluation.

Try AI Avatar Video Generator

Video Editor

Use Video Editor for the relevant production step in your source-based evaluation. Check its input requirements and output before incorporating the result, then review the complete explanation with its captions and narration together. Include this step in the same-source evaluation.

Try Video Editor

Video Translator

Prepare a localized explanation in a supported language, then arrange a meaning check by a fluent reviewer. Examples and commercial terms can need changes even when the words translate correctly. Include this step in the same-source evaluation.

Try Video Translator

Add Music to Video

Add a backing track only when it helps the explanation. Listen to the full mix and adjust the volume so music does not obscure an exception, a date, or the next action. Include this step in the same-source evaluation.

Try Add Music to Video

Add Text to Video

Use Add Text to Video for the relevant production step in your source-based evaluation. Check its input requirements and output before incorporating the result, then review the complete explanation with its captions and narration together. Include this step in the same-source evaluation.

Try Add Text to Video

Screen Recorder

Use Screen Recorder for the relevant production step in your source-based evaluation. Check its input requirements and output before incorporating the result, then review the complete explanation with its captions and narration together. Include this step in the same-source evaluation.

Try Screen Recorder

Choose how to produce your AI-assisted explainer based on the work

	Manual production	Commissioned production	ngram
Starting material	Assemble sources and write the script	Agree the brief and supply source assets	Provide supported sources and a brief
Story control	Write and arrange each scene	Review the agreed script and creative direction	Review generated script and storyboard
Making a change	Edit the project and render again	Agree revision scope with the producer	Use chat, script, or scene controls; review output
Factual review	Source owner checks final video	Source owner checks the delivered cut	Source owner checks generated and edited video
Cost to evaluate	Depends on tools and production effort	Depends on agreed scope and revisions	Plan allowances cover generation and editing; exports do not use credits

Integrations

Wire the explainer pipeline into the launch workflow.

These are workflow options you configure. Check connector access, review the generated output, and verify the destination before relying on an automation.

Zapier

no-code

whenThe approved source for your source-based evaluation is ready

thenConfigure the trigger and video-creation action with the approved brief, then check the completion result before publishing.

Integrate with Zapier

MCP Server

agentic

whenThe approved source for your source-based evaluation is ready

thenUse a supported authenticated client to request the explainer. Creation access depends on the client and workspace; inspect the result in ngram.

Integrate with MCP Server

Chrome Extension

browser

whenThe approved source for your source-based evaluation is ready

thenStart from the public source page with the ngram extension, then review the proposed explanation before using the output.

Integrate with Chrome Extension

n8n

workflow

whenThe approved source for your source-based evaluation is ready

thenConfigure n8n to call ngram and check render completion. A self-hosted n8n workflow still uses the hosted ngram service.

Integrate with n8n

Beta publish

whenThe AI-assisted explainer has passed its source and playback review

thenConnect LinkedIn through Social Publishing Beta, compose the post, and verify the scheduled or published destination.

Integrate with LinkedIn

X (Twitter)

Beta publish

whenThe AI-assisted explainer has passed its source and playback review

thenConnect X (Twitter) through Social Publishing Beta, compose the post, and verify the scheduled or published destination.

Integrate with X (Twitter)

YouTube

Beta publish

whenThe AI-assisted explainer has passed its source and playback review

thenConnect YouTube through Social Publishing Beta, compose the post, and verify the scheduled or published destination.

Integrate with YouTube

REST API MCP server WebhooksBuild your own integration in ~30 lines.

Will it work for my situation?

How do I evaluate an AI explainer video maker?

Give the AI explainer video maker a short source with facts you can check. Ask for the script before rendering, then compare names, numbers, and exceptions against that source. Request one bounded change and inspect what changed as well as what stayed the same.

What should I include in a fair evaluation?

Use the same source document, intended audience, and required takeaway for each tool. Define the revision before you run the test, such as changing one deadline while preserving the other facts. Record hands-on work, visible usage, and any errors; a polished screenshot alone is not a completed evaluation.

What does it cost to try and keep making explainers?

The Free plan includes 600 one-time credits, up to 60 seconds of AI video generation at the base rate, and 720p exports with a watermark. Basic starts at $29 per month; Premium is $59 and Ultimate is $299 on monthly billing. Advanced models and revisions affect usage. Exports are unlimited, but generation and editing are not unlimited.

How can I check whether the revision preserved the explanation?

Write down the requested change and the facts that must stay unchanged before editing. Compare narration, on-screen wording, and captions in the revised scene, then inspect adjacent scenes. ngram provides script and scene controls; the preservation check still requires you to review the result.

When should I use a different production approach?

Use specialist production when the job requires a bespoke animation style you cannot achieve in a reviewed sample. Keep real task footage for demonstrations that need to prove an action. Check account limits before relying on hosting or team workflows, and evaluate the export your audience will actually receive.

Bring one source for your AI-assisted explainer and one change to test

Start with the composer above. For a team evaluation, bring an approved source and a specific revision you want to assess; choose Talk to sales to discuss the workflow.

Create your first AI Explainer Video Maker Talk to sales