Add Line Numbers
Number every line, with padding, a custom start and any separator.
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Number every line, with padding, a custom start and any separator.
Repeat every line a set number of times, in place.
Find the lines, words or phrases two texts have in common.
Hard-wrap text to a column width, with prefixes and hanging indents.
Convert text into Morse code, with audio playback.
Convert text into octal character codes.
Convert text into hexadecimal bytes.
Decode binary back into readable text.
Convert text into binary, eight bits per character.
Turn a list of character codes back into readable text.
Encode text to Base64, including URL-safe output.
Generate filler text to an exact character or word budget.
Generate realistic sample records: names, emails, addresses, dates.
Pull every link out of HTML with its anchor text.
Turn text into ᵗⁱⁿʸ ˢᵘᵖᵉʳˢᶜʳⁱᵖᵗ letters.
Replace emoji with their names, shortcodes, or nothing at all.
Turn a caption into a set of usable hashtags.
Measure text length in characters, words, bytes and lines at once.
Count total, non-empty and unique lines in any list or file.
Write image and iframe markup that loads at the right time.
Build caching headers without guessing what the directives do.
See your listing the way most people actually see it.
Wrap a keyword list in broad, phrase and exact match syntax.
Check description length in pixels and spot the ones Google will cut.
Turn a headline into a clean, lowercase URL slug.
Switch text between upper, lower, title, sentence, camel, snake and kebab case.
Name ideas from a keyword, AI-written or instant.
Tell a hard bounce from a soft one, and from a block.
Check a DMARC record and what it actually enforces.
One report on a list before you spend money sending to it.
Cut a big list into batches your platform will accept.
Find the info@, admin@ and sales@ addresses in a list.
Reconcile your ledger against a supplier statement or a bank export.
Cancel an invoice properly, with the notice and the credit note it needs.
An interactive colour wheel with every classical harmony.
Generate a Material palette, primary through A700.
Pick colours in OKLCH, the space modern CSS is built on.
Build a structured system prompt for a chatbot, assistant or custom GPT.
A README or a set of notes as a properly laid out PDF, headings and all.
TOML tables into clean YAML, with the strings YAML would misread quoted for you.
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