Free Online Tools
19 free tools that run entirely in your browser — no signup, no uploads, no tracking. Your files and data never leave your device.
Developer Tools
Link Shortener
Turn long, messy URLs into short, clean links in one click. Our free link shortener creates compact techtoolcrate.com/r…
▦QR Code Generator
Create a QR code for any link or text in seconds. Customize the colors, pick a size, and…
{}JSON Formatter
Paste minified or messy JSON and get clean, indented output — or minify it for production. Invalid JSON…
Text Tools
Password Generator
Create strong, random passwords that hackers can't guess. Choose the length, pick which characters to include, and copy…
≡Word Counter
Paste your text and instantly see word count, character count (with and without spaces), sentence count, paragraph count,…
AaCase Converter
Fix text casing in one click. Convert to UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg cAsE, or reverse…
Image Tools
Image Compressor
Shrink your images before uploading them to your website, email, or social media. Unlike other compressors, your photos…
⇆Image Converter
Convert images between JPG, PNG, and WebP right in your browser. No uploads, no watermarks, no signup —…
▶YouTube Thumbnail Downloader
Paste any public YouTube video link and grab its thumbnail in seconds — preview every available resolution, then…
⤢Image Resizer
Resize images online free — set exact pixel dimensions or scale by percentage, with an aspect-ratio lock so…
Converters
Calculators
Age Calculator
Find out your exact age down to the day — plus total months, weeks, days, hours lived, your…
⚖BMI Calculator
Enter your height and weight to get your Body Mass Index instantly, with your health category (underweight, healthy,…
%Percentage Calculator
Solve any everyday percentage problem in seconds — what is X% of Y, percentage increase or decrease, discounts,…
🏦Loan EMI Calculator
Work out exactly what any loan will cost you before you sign. Enter the amount, interest rate and…
📈Compound Interest Calculator
See how your money could grow. Enter a starting amount, add recurring contributions, pick a compounding frequency, and…