Free online tools on KhojOne.
Word counters, image converters, SEO generators, JSON formatters, GST and EMI calculators. Each tool runs in your browser. AI tool discovery lives next door at AI tools.
All tools
Count words, sentences and reading time in your browser.
Count characters with or without spaces.
UPPER, lower, Title, sentence, camelCase and snake_case.
Delete repeated lines and keep the first copy.
Trim, unwrap and tidy messy pasted text.
Convert JPEG photos to WebP on this device.
Convert PNG images to WebP without uploading.
Shrink JPG or WebP file size with a quality slider.
Change width and height before you download.
Drag a box and crop in the browser.
Click a colour to make it transparent. Best on solid backgrounds.
Build title, description and robots meta tags.
Create a robots.txt file for your site.
Turn a list of URLs into XML sitemap markup.
Make JSON-LD for Article, FAQ or LocalBusiness.
See a Google-style title and description snippet.
Create og: tags for link previews.
Pretty-print JSON in the browser.
Check if JSON is valid and show the error line.
Indent HTML for easier reading.
Indent CSS rules and properties.
Encode or decode Base64 text.
Encode or decode URL query strings.
Generate UUID v4 values locally.
Add or remove Indian GST (5%, 12%, 18%, 28%).
Monthly EMI from loan amount, rate and tenure.
Profit from cost and selling price.
Profit margin percentage on selling price.
Return on investment from cost and gain.