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.
βData tool
Add Line NumbersPrefix every line with a line number. Choose 0-indexed or 1-indexed output. Free and private.Open β{ }Data tool
CSV to JSON ConverterConvert CSV data to formatted JSON instantly. Supports headers, custom delimiters, and empty line skipping. All processing happens in your browser.Open ββ§Data tool
Deduplicate ListRemove duplicate lines from any list instantly. Preserve original order or sort results. Optional case-sensitive matching. Free and private.Open βΞData tool
Diff CheckerCompare two blocks of text and see the differences line by line. Free and private.Open β@Data tool
Extract EmailsExtract all email addresses from any block of text. Removes duplicates automatically. Free and private.Open ββData tool
Extract URLsPull all web links from pasted text. Great for scraping links from documents. Free and private.Open ββData tool
Find and ReplaceBulk find and replace across text with support for regular expressions, case sensitivity, and replace-all. Free and private.Open βHEICData tool
HEIC to JPG ConverterConvert iPhone HEIC photos to JPG right in your browser. 100% offline, no upload, no signup β your photos never leave your device.Open βHEICData tool
HEIC to PNG ConverterConvert iPhone HEIC photos to lossless PNG right in your browser. No upload, no signup β your photos never leave your device.Open βAVIFData tool
JPG to AVIF ConverterConvert JPG photos to next-generation AVIF right in your browser. No upload, no signup β your images never leave your device.Open βAdvertisement
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JPGData tool
JPG to PNG ConverterConvert JPG photos to lossless PNG right in your browser. No upload, no signup β your images never leave your device.Open ββData tool
JSON to CSV ConverterConvert JSON arrays to CSV format instantly. Perfect for exporting data to spreadsheets. All processing happens in your browser.Open βPNGData tool
PNG to JPG ConverterConvert PNG images to compact JPG files right in your browser. 100% offline, no upload, no signup β your images never leave your device.Open βPNGData tool
PNG to WebP ConverterConvert PNG images to compact WebP right in your browser. No upload, no signup β your images never leave your device.Open βΒΆData tool
Remove Empty LinesClean up text by removing blank and whitespace-only lines instantly. Free and private β runs entirely in your browser.Open ββData tool
Sort LinesSort lines alphabetically or numerically, in ascending or descending order. Free and private.Open βAaData tool
Text Case ConverterConvert text between uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case instantly. Free and private.Open β%Data tool
URL Encode / DecodeEncode or decode URL parameters and special characters for safe web transmission. Free and private.Open βWEBPData tool
WebP to JPG ConverterConvert WebP images to universally-supported JPG right in your browser. No upload, no signup β your images never leave your device.Open βWEBPData tool
WebP to PNG ConverterConvert WebP images to lossless PNG right in your browser. 100% offline, no upload, no signup β your images never leave your device.Open βπ
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.