Data Transformation Tools
Free, instant tools for cleaning and transforming text and data. No signup required β everything runs in your browser and never leaves your computer.
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CSV to JSON Convert CSV data to formatted JSON instantly. Supports headers, custom delimiters, and skip empty lines. Open β AaData tool
Text Case Converter Convert text between uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case. Open β β§Data tool
Deduplicate List Remove duplicate lines from any list. Preserve order or sort results, with optional case sensitivity. Open β βData tool
JSON to CSV Convert JSON arrays to CSV format. Perfect for exporting data to spreadsheets. Open β ΒΆData tool
Remove Empty Lines Clean up text by removing blank and whitespace-only lines instantly. Open β βData tool
Find and Replace Bulk find and replace across text. Supports regex, case sensitivity, and replace all. Open β Advertisement
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URL Encode / Decode Encode or decode URL parameters and special characters for safe web transmission. Open β @Data tool
Extract Emails Extract all email addresses from any block of text. Removes duplicates automatically. Open β βData tool
Extract URLs Pull all web links from pasted text. Great for scraping links from documents. Open β ΞData tool
Diff Checker Compare two blocks of text and see the differences line by line. Open β βData tool
Sort Lines Sort lines alphabetically or numerically, in ascending or descending order. Open β βData tool
Add Line Numbers Prefix every line with a line number. Choose 0-indexed or 1-indexed output. Open β HEICData tool
HEIC to JPG Convert iPhone HEIC photos to universal JPG. Runs entirely in your browser β nothing is uploaded. Open β PNGData tool
PNG to JPG Shrink bulky PNGs into lightweight JPGs for email and uploads. Converts in your browser β nothing is uploaded. Open β WEBPData tool
WebP to PNG Turn Google WebP images into lossless PNGs that open everywhere. Runs in your browser β nothing is uploaded. Open β HEICData tool
HEIC to PNG Convert iPhone HEIC photos to lossless PNG with transparency intact. Batch-convert in your browser β nothing is uploaded. Open β WEBPData tool
WebP to JPG Turn WebP images into widely-supported JPGs for email and older apps. Converts in your browser β nothing is uploaded. Open β JPGData tool
JPG to PNG Convert JPG photos to lossless PNG for editing and screenshots. Batch-convert in your browser β nothing is uploaded. Open β PNGData tool
PNG to WebP Shrink PNGs into modern WebP for faster-loading sites. Adjustable quality, all in your browser β nothing is uploaded. Open β AVIFData tool
JPG to AVIF Re-encode JPGs as next-gen AVIF for the smallest high-quality files. Runs in your browser β nothing is uploaded. Open β π
Privacy First
All tools process data entirely in your browser. Nothing is uploaded to our servers, nothing is stored, and nothing is shared. Your data stays on your computer.