Image Color Counter
Count the unique colours in an image and list the top ones.
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Image Color Replacer
Swap one colour in an image for another.
Screenshot Beautifier
Put a screenshot on a gradient with shadow and rounded corners.
Remove Letters
Strip letters out and keep the numbers, symbols and structure.
CSV to JSON
Convert a CSV export into clean, typed JSON.
ChatGPT Custom Instructions Generator
Write both custom instruction boxes, each checked against the 1,500 character limit.
package.json Generator
Build a valid package.json with scripts, exports and metadata.
HTML to Markdown
Convert HTML back into clean Markdown, keeping lists, tables and code.
Vignette Effect
Darken the edges to draw the eye to the centre.
SVG Optimizer
Strip the bloat out of exported SVG files.
PDF to Image Converter
Turn every page of a PDF into a PNG or JPG.
Sprite Sheet Splitter
Cut a sprite sheet back into individual frames.
Image Splitter
Cut a photo into an even grid of tiles and download a ZIP.
Add Border to Image
Put a coloured border or frame around any photo.
Shuffle Lines
Randomise the order of a list, fairly and repeatably.
Add Line Breaks
Break a long block into lines at a width, a count or a marker.
Merge Text
Combine two lists side by side, line by line.
Speaking Time Calculator
Turn a script into a spoken running time at your own pace.
LLM Cost Calculator
Work out what an AI feature will cost per call, per day and per month.
Context Window Calculator
See whether your text fits a model context window, and how much room is left.
CIDR Range Calculator
Work out a subnet: network, broadcast, host range and usable count.
IP to Binary Converter
See an IP address in binary, hex and decimal, octet by octet.
JWT Decoder
Decode a JWT and read its header, claims and expiry in plain English.
Ohms Law Calculator
Solve for volts, amps, ohms or watts from any two.
Image to CSS Gradient
Turn a photo into a CSS gradient that echoes it.
Image Filter Playground
Stack every filter at once and copy the CSS.
Pixel Art Converter
Turn a photo into retro pixel art with a limited palette.
Pixelate Image
Pixelate a whole image or censor part of it.
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG that opens anywhere.
Image Joiner
Merge two or more images side by side or stacked.
Remove Email Addresses
Strip or mask email addresses before you share a document.
Base64 Decoder
Decode Base64 back to text, including JWT payloads.
SMOG Index
The readability standard for health and safety information.
Capital Letter Counter
Count uppercase letters and find where the shouting is.
Hash Generator
Produce SHA-1, SHA-256, SHA-384 and SHA-512 digests of any text.
ICS to CSV Converter
Turn a calendar file into a spreadsheet of events, with dates, times and attendees.
Gitignore Generator
Build a .gitignore from templates for your stack, editor and OS.
JSON to SQL Insert
Turn an array of JSON records into INSERT statements, with an optional CREATE TABLE.
JSON Validator
Check JSON syntax and get the exact line, column and cause of any error.
Salary Calculator
Convert pay between hourly, daily, weekly, monthly and annual.
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