JSON Validator
Check JSON syntax and get the exact line, column and cause of any error.
All Tools
Every one of our 1329 tools in one place — free, no sign-up, and all of them run inside your own browser.
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Cash Back or Low Interest Calculator
Which car incentive is actually worth more to you.
Area Calculator
Area of any common shape, plus conversion between area units.
Anorexic BMI Calculator
BMI against the clinical underweight and severity thresholds.
Macro Calculator
Protein, carbs and fat in grams for your calorie target.
Age Difference Calculator
Find the exact age gap between two people in years, months and days.
Interest Calculator
Compare simple and compound interest on the same figures side by side.
Common Factor Calculator
Shared factors of two or more numbers, with the highest marked.
GPA Calculator
Semester and cumulative GPA on a 4.0 or weighted scale.
Face Blur Tool
Find faces and blur them, or mark regions by hand.
SVG Path Editor
Inspect, tidy and transform SVG path data.
Image Alt Text Generator
Build alt text that is useful, with length and quality checks.
Instagram Image Resizer
Resize photos to every Instagram format without cropping.
Average Color Finder
Find the single average colour of an image.
Image Drop Shadow
Add a soft drop shadow behind an image.
Image Sharpener
Bring back edge detail with unsharp masking.
Compress Image to Size
Compress until the file fits a size you specify exactly.
PDF to Image Converter
Turn every page of a PDF into a PNG or JPG.
Image to ICO Converter
Make a multi-size .ico file from any image.
AVIF to JPG Converter
Convert AVIF images to JPG or PNG that older software reads.
Straighten Image
Fix a tilted horizon with a fine angle slider and grid.
Inverse Case Converter
Flip every letter: capitals become lowercase and lowercase becomes capitals.
Toggle Case Converter
Cycle text through every case format from one box.
Remove Email Addresses
Strip or mask email addresses before you share a document.
Remove Special Characters
Strip symbols and invisible characters, keeping letters and numbers.
Remove Duplicate Words
Strip repeated words, either the accidental ones or every repeat.
Sort Lines by Length
Order a list from shortest line to longest, or the reverse.
Sort Lines A–Z
Put any list into alphabetical order, numbers handled properly.
Reverse Lines
Flip a list upside down so the last line becomes the first.
Reverse Words
Flip the word order of a sentence without scrambling the letters.
Right Align Text
Push every line to the right edge of a set width.
Left Align Text
Strip indentation so every line starts at the left margin.
Morse Code to Text
Decode Morse code back into plain English.
Text to ASCII
Convert text into ASCII character codes in any base.
UTF-8 Encoder
See the exact UTF-8 bytes behind any text.
Random Letter Generator
Draw random letters, with or without vowels and repeats.
Upside Down Text
Flip text so it reads upside down.
Synonym Finder
Find alternative words without leaving the page.
Slug to Text
Turn a URL slug back into a readable title.
Punctuation Counter
Count every punctuation mark and see how a text is paced.
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