Help Center
Step-by-step fixes for the things we make. Written by humans, for humans.
Markdown Editor 3 min read Install Markdown Editor & Write Your First Note
Add Markdown Editor to Chrome, Edge, or Firefox free, or get the $5 Mac, iPad & iPhone app, and write your first document in under a minute.
Read guide Markdown Editor 4 min read Documents, Saving & Backups in Markdown Editor
Where your documents live, how auto-save works, and how to download .md files or back up everything as a .zip.
Read guide Markdown Editor 3 min read Formatting Toolbar & Keyboard Shortcuts
Bold, italic, links, lists, and quotes with one click, plus every keyboard shortcut including find & replace.
Read guide Markdown Editor 3 min read Templates & Version History
Start from a README or meeting-notes template, and restore any earlier version of a document from automatic snapshots.
Read guide Markdown Editor 3 min read Math Equations & Mermaid Diagrams
Turn on KaTeX math and Mermaid diagrams in Settings and render equations and flowcharts right in the preview.
Read guide Markdown Editor 3 min read Export, Print & Share to AI
Download .md files, export themed HTML, print to PDF, back up everything as a .zip, or send a document to ChatGPT, Claude, or Perplexity.
Read guide Markdown Editor 3 min read Themes & the Chaos Zone
Switch between eight color themes, and meet the optional toys: the pet cat, Matrix rain, typewriter sounds, and more.
Read guide Markdown Editor 4 min read Fix Common Markdown Editor Problems
Document won't save, import fails, preview looks wrong, or a feature seems missing? The quick fixes for the usual suspects.
Read guide Markdown Editor 8 min read Recovering Lost Notes in Markdown Editor
Documents list empty? They're usually still there. Eight steps to check extension storage, pull them out, and stop it happening again.
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Color Contrast Checker 4 min read Check Your Color Contrast Against WCAG
Test text, link and background colors against WCAG AA and AAA, fix failing colors with one click, and audit a whole palette at once with the free contrast checker.
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Minecraft Pixel Art Generator 3 min read Turn Any Image Into Minecraft Pixel Art
Upload a picture, pick a grid size, and get a Minecraft pixel art plan you can build. Free, runs in your browser, nothing uploaded to a server.
Read guide Minecraft Pixel Art Generator 3 min read Grid Overlay & the Numbered Build Guide
How the grid overlay and numbered build guide work, how to read the coordinates, and how to spotlight one block type at a time.
Read guide Minecraft Pixel Art Generator 3 min read Block List, Block Counts & Stacks
How to read the block list, work out how many stacks you need, and cut the block count down before you gather materials.
Read guide Minecraft Pixel Art Generator 2 min read Does It Work on Bedrock?
Yes. The generator works for Bedrock, Java, console and Pocket Edition, because every block in the palette exists in all of them.
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Hide Text in Images 3 min read How to Hide Text in an Image
Hide a secret message inside a picture in your browser. Nothing is uploaded, the image looks identical, and only someone with the file can read it back.
Read guide Hide Text in Images 3 min read How to See Hidden Text in an Image
Check whether a picture has a message hidden inside it, read it back, and understand why some images come back empty even when they should not.
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Video Metadata Viewer & Remover 3 min read How to View Video Metadata
See the hidden data inside a video file: GPS location, device model, timestamps and software. Runs in your browser, nothing is uploaded.
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Hide Spoilers 3 min read How to Avoid Spoilers Until You're Ready to Watch
Blur spoilers on Twitter, YouTube, Reddit and news sites until you've caught up. Add the show name once and browse normally.
Read guide Hide Spoilers 3 min read Choosing Keywords That Actually Catch Spoilers
Which words to block so spoilers get caught without blurring half the internet, and why character names beat show titles.
Read guide Hide Spoilers 3 min read A Spoiler Got Through
What to do when Hide Spoilers misses something, blurs too much, or stops working on a site.
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Email Signature Generator 3 min read Build Your Email Signature
Pick a template, fill in your details, add social links and a photo, then copy it into your mail client.
Read guide Email Signature Generator 3 min read Add an Email Signature in Gmail
Copy your signature into Gmail settings so it appears on every message, with notes on mobile and multiple accounts.
Read guide Email Signature Generator 3 min read Add an Email Signature in Outlook
Paste a signature into Outlook on the web, Windows or Mac, and fix the spacing problems Outlook is known for.
Read guide Email Signature Generator 3 min read Add an Email Signature in Apple Mail
Paste a formatted signature into Apple Mail and handle the plain text setting that strips formatting.
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Image Metadata Viewer & Editor 3 min read How to View Image Metadata
See the hidden data inside a photo: GPS location, camera model, timestamps and editing software.
Read guide Image Metadata Viewer & Editor 2 min read How to Remove Image Metadata
Strip GPS location, camera details and timestamps from a photo and download a clean copy.
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Instant Incognito 2 min read Open a Site in Private Automatically
Set a site to always open in a private window. Add it once and it moves there for you every time.
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Emoji Search & Copy 2 min read Find and Copy Any Emoji
Search emoji by name or feeling, browse by category, and copy one with a click.
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Chrome Extension Icon Resizer 3 min read Resize Your Chrome Extension Icons
Upload one icon and get every size a browser extension needs, plus the manifest snippet that references them.
Read guide Video Metadata Viewer & Remover 3 min read How to Remove Video Metadata
Strip GPS location, device details and timestamps from a video and download a clean copy. No re-encoding, no quality loss.
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