UTM Parser
Decode tagged links and check the campaign naming holds together.
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Free Email Provider Checker
Separate personal mailboxes from real business domains.
IBAN Validator
Validate an IBAN's length, country and mod-97 checksum, and generate test ones.
Fake Company Generator
Generate believable company names, domains and details for mockups.
Port Number Lookup
Find what runs on a port, with a note on whether it should be exposed.
Credit Card Calculator
What minimum payments really cost, and how to beat them.
One Rep Max Calculator
Estimate your 1RM from a set, plus a full percentage table.
Ohms Law Calculator
Solve for volts, amps, ohms or watts from any two.
Image DPI Changer
Set an image to 300 DPI, or any density a printer asks for.
URL to Text
Turn a URL into something a person can read.
URL Cleaner
Strip tracking parameters from a list of URLs in one pass.
Whitespace Remover
Strip extra spaces, tabs, blank lines and invisible characters.
JSON to SQL Insert
Turn an array of JSON records into INSERT statements, with an optional CREATE TABLE.
Language Detector
Work out what language a piece of text is written in.
Color Picker
Pick any colour and copy it as HEX, RGB, HSL or CSS.
CSS Formatter
Re-indent a stylesheet, or strip it back to one line.
Meme Generator
Add top and bottom Impact captions to any image.
JPEG Compressor
Shrink JPEG photos with a quality slider you can see.
Image Splitter
Cut a photo into an even grid of tiles and download a ZIP.
Uppercase Converter
Turn any text into capital letters in one click.
Normalize Text
Apply Unicode normalisation so identical-looking text really matches.
Unicode Encoder
Convert text into Unicode escape sequences for code.
Spell Checker
Catch the spelling mistakes people actually make.
Anchor Text Analyzer
See the anchor text profile of a page, grouped and ranked.
Canonical Tag Generator
Write the canonical link tag, and check it points somewhere sensible.
Timestamp Converter
Convert Unix timestamps to readable dates and back, in any time zone.
Sort Lines
Sort a list alphabetically, numerically, by length or at random.
Paragraph Counter
Count paragraphs and see how long each one really runs.
Lorem Ipsum Generator
Generate placeholder paragraphs, sentences or words for your mockups.
Email Length Validator
Measure an address against the RFC character limits.
YAML Validator
Check YAML parses and find the line where the indentation goes wrong.
Amortization Calculator
Every payment split into principal and interest, with totals.
GFR Calculator
Estimated GFR by CKD-EPI 2021, MDRD and Cockcroft-Gault.
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.
Clean Text
Fix everything wrong with pasted text in a single pass.
Merge Text
Combine two lists side by side, line by line.
Bold Text Generator
Bold text that works where there is no bold button.
Token Counter
Estimate how many tokens your text costs before you send it.
Internal Link Analyzer
Split a page's links into internal, external, nofollow and broken shapes.
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