A collection of powerful web tools for developers and daily work.
Sum numbers from a spreadsheet column. Paste numbers, get the total.
Convert CSV data into Excel (.xlsx) format.
Convert Excel files (.xlsx) into CSV format.
Split a large CSV file into multiple smaller CSV files by row count.
Convert CSV data to JSON format. Paste CSV, get structured JSON.
Format and validate JSON. Paste minified JSON, get pretty-printed output.
Encode and decode Base64 strings. Supports Unicode.
Encode and decode URL-encoded strings. Percent-encoding.
Generate random UUID v4 identifiers. One click, instant result.
Convert JSON array to CSV format. Paste JSON, get comma-separated output.
Upload image and compress it. Output smaller file.
Resize image width and height.
Convert image to base64 string.
Convert images between PNG, JPG, and WebP formats.
Resize images for Instagram, Twitter, Facebook, LinkedIn, YouTube, Pinterest.
Remove background from images. Output PNG with transparency.
Split a PDF into multiple pages.
Merge multiple PDF files into one.
Convert PDF pages to images.
Convert uploaded images into a PDF.
Count total pages in a PDF.
Extract specific pages from a PDF.
Remove duplicate lines from a list. Paste your list, get unique items.
Compare two texts and highlight differences. Side-by-side or unified view.
Find specified strings within text. Add multiple search strings and discover all occurrences.
Search and replace text. Find occurrences, then replace with new text.
Count words, characters, lines, and paragraphs. Real-time statistics as you type.
Convert text between camelCase, snake_case, kebab-case, and more.
Split a large CSV file into multiple smaller CSV files by row count.
Format and validate JSON. Paste minified JSON, get pretty-printed output.
Upload image and compress it. Output smaller file.
Convert CSV data to JSON format. Paste CSV, get structured JSON.