Open Graph Preview
See your link as Facebook, LinkedIn, X and Slack will draw it.
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ROAS Calculator
Work out return on ad spend as a multiple, with profit shown.
Email Header Analyzer
Read a message header: route, delays and auth results.
Text to Braille Converter
Turn text into Unicode braille cells — capitals, numbers and punctuation included.
Tailwind Color to HEX Converter
Any Tailwind CSS colour class as HEX — v3 and v4 — or the nearest class for a HEX.
12-Hour to 24-Hour Converter
Turn AM/PM times into 24-hour military time — one time or a whole schedule.
Article Schema Generator
Build Article, NewsArticle or BlogPosting JSON-LD in one pass.
SRT to Text Converter
Turn subtitles into a readable transcript — no numbers, no timestamps.
LSI Keyword Extractor
Pull the related phrases a piece of content actually uses.
Anchor Text Analyzer
See the anchor text profile of a page, grouped and ranked.
Meta Tag Analyzer
Paste a page and get every meta tag audited in one report.
Mailto Link Validator
Check a mailto: link and every address and field in it.
Email Bounce Code Checker
Tell a hard bounce from a soft one, and from a block.
Disposable Email Checker
Spot throwaway and temporary mailboxes in a list.
Proforma Invoice Generator
A quotation in invoice form — what it will cost, before you commit to supplying it.
RGB to HSV Converter
RGB to HSV/HSB and back — the model colour pickers actually use.
Cooking Measurement Converter
Cups, spoons, grams, ounces and millilitres — for 40 real ingredients.
Percentage Change Calculator
Increase, decrease and the difference between two numbers.
Cache-Control Header Generator
Build caching headers without guessing what the directives do.
Review Schema Generator
Single reviews and aggregate ratings as valid JSON-LD.
Product Schema Generator
Price, stock, rating and reviews as product rich snippet markup.
Content ROI Calculator
Content ROI with cost per piece and months to payback.
Email List Comparison
Compare two lists: in both, only in one, only in the other.
Brand Description Generator AI
A short brand description for an About page, AI or instant.
Facebook Post Generator AI
Ready-to-post Facebook updates, AI-written or instant.
Email List Cleaner
Trim, lowercase, dedupe and drop the bad addresses.
Email Typo Checker
Catch gmial.com, yahooo.com and every near miss.
ads.txt Generator
Write a valid ads.txt so your ad inventory is not spoofed.
Customer Journey Map Generator AI
Six stages from first contact to advocacy, with what to measure.
Flow Rate Converter
Convert GPM, L/min, m³/h, CFM and cfs — and time how long a fill takes.
Unicode Code Point Lookup
Inspect any character: code point, block, category, UTF-8 bytes and escapes.
Instagram Caption Generator AI
Captions with hashtags from a topic, AI or instant.
Keyword Match Type Wrapper
Wrap a keyword list in broad, phrase and exact match syntax.
Mobile SERP Preview
See your listing the way most people actually see it.
Annual Recurring Revenue Calculator
Turn MRR into ARR, with a growth projection for the year ahead.
AI Writing Pattern Checker
Find the words and habits that make text read as AI-generated, so you can edit them out.
Promotional Email Generator AI
Sale and offer emails that lead with the deal, AI or instant.
Lazy Loading Code Generator
Write image and iframe markup that loads at the right time.
UUID Generator
Generate cryptographically random version 4 UUIDs in bulk.
Business Name Generator AI
Name ideas from a keyword, AI-written or instant.
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