Study & YouTube tool
Explain Like I'm 5
Explain Like I'm 5 takes dense, jargon-heavy writing and swaps the complicated words for everyday ones — approximately becomes about, utilize becomes use. The result is a plainer version of your text that is easier to understand.
The simplification runs entirely in your browser, so your text never leaves your device.
Privacy & data handling
Browser processingThis tool processes your input locally in your browser. Nothing is uploaded to a server or sent to an external service.
Interactive tool
Explain Like I'm 5
Overview
What does Explain Like I'm 5 do?
Paste a complex passage and the tool rewrites it with simpler vocabulary while keeping the sentence structure intact. It targets the words most likely to trip up a general reader and leaves the rest of your writing untouched.
Think of it as a first pass for readability: the output still deserves a human read to confirm it says exactly what you mean.
Under the hood
How does it work?
The tool maintains a small dictionary of complex words and their plain equivalents. It replaces each occurrence case-insensitively — for example however becomes but. The rewritten text is then split into its first few sentences and presented as a simple, step-by-step explanation.
Key features
Features of Explain Like I'm 5
Use cases
When should you use Explain Like I'm 5?
Explaining a topic to beginners
Take a technical explanation and produce a version a newcomer can follow.
Improving accessibility
Simplify instructions or public-facing copy so more readers can understand it.
Testing your own understanding
If you can simplify a concept into plain words, you probably understand it well.
Step-by-step
How to use Explain Like I'm 5
- Step 1
Paste or enter the text with complex terms.
- Step 2
Click process to swap jargon for simple words.
- Step 3
Review and copy the plain language version.
Real example
Example
Before (input)
We utilize various strategies to optimize performance. However, approximately half of the team was unavailable.
After (simplified)
Simply explained: We use various strategies to improve performance. But about half of the team was unavailable.
Jargon words are replaced; the rest of the sentence is preserved.
Technical information
How the details work
Replacement rules are applied with case-insensitive regular expressions, so capitalized occurrences are handled as well. After substitution, the text is split into sentences and the first eight are returned, which keeps the explanation short enough to scan.
Privacy & security
Your data stays yours
All processing happens locally in your browser. Your text is never uploaded or stored.
Local processing — files stay in your browser
- Simplification runs on your device with no network requests.
- Nothing you paste is saved after the tab is closed.
- The rule set is fixed and deterministic.
Limitations
What this tool does not do
- Only the built-in jargon replacements are applied — sentences are not restructured.
- Truly complex ideas may still need a human explanation after simplification.
- It is a rule-based tool, not a generative-AI or LLM service.
Frequently asked questions
Common questions about Explain Like I'm 5
Does it rewrite my whole text?
It replaces the jargon words it knows and leaves everything else as-is, then returns the first few sentences as a plain summary.
Is this a language model?
No. It applies a fixed dictionary of plain-language replacements entirely in your browser.
Will facts be changed?
No — only vocabulary is swapped for simpler synonyms. The meaning is preserved.
Is my text private?
Yes. All processing happens locally and nothing is transmitted.
Can I use this for study notes?
Yes — run complex textbook passages through it first, then summarize or turn the result into flashcards.
Related tools
Study Text Summarizer
NewExtract core key points and sentences from notes and textbook chapters using browser-based term-frequency extractive analysis.
Text Rewriter
Tighten wordy text and remove filler phrases using a client-side rule-based simplification engine. Improves conciseness without changing meaning.
Notes Generator
NewTransform paragraphs and articles into organized, structured notes with key points and summaries.
Related guides
Practical articles to help you get the most out of this tool and related workflows.
Need another tool?
Browse the full catalog and jump between related workflows with SEO-friendly internal links.
Explore all tools