# Free development tools

Commonly used development tools that run locally in your browser — nothing is uploaded. No account required.

## PDF

[Merge PDF\  \  Combine multiple PDF files into a single document.](/content/tools/merge-pdf/index.html)  
[Split PDF\  \  Extract specific page ranges into separate PDFs.](/content/tools/split-pdf/index.html)  
[PDF ↔ images\  \  Convert between PDF pages and image files.](/content/tools/pdf-images/index.html)  
[Delete PDF pages\  \  Remove unwanted pages from a PDF.](/content/tools/delete-pdf-pages/index.html)

## Image

[Crop images\  \  Resize or crop images to exact dimensions.](/content/tools/image-resize-crop/index.html)  
[Rotate images\  \  Rotate or flip images in any direction.](/content/tools/image-rotate/index.html)  
[Image format conversion\  \  Convert images between PNG, JPEG, WebP, and more.](/content/tools/image-convert/index.html)

## Text & data

[JSON formatter\  \  Pretty-print and validate JSON data.](/content/tools/json-formatter/index.html)  
[CSV to Markdown table\  \  Turn CSV data into a formatted Markdown table.](/content/tools/csv-to-markdown/index.html)  
[Diff two texts\  \  Compare two texts and highlight the differences.](/content/tools/text-diff/index.html)  
[Word count & reading time\  \  Count words, characters, and estimate reading time.](/content/tools/text-stats/index.html)

## Utilities

[QR code generator\  \  Generate QR codes from any URL or text.](/content/tools/qr-code/index.html)  
[Currency converter\  \  Convert amounts between world currencies with live rates.](/content/tools/currency-converter/index.html)  
[Time in a city\  \  Check the current time in any city worldwide.](/content/tools/world-time/index.html)