Free Online File & Data Converters
Convert between file formats, units and data structures like CSV, JSON, XML and more.
29 tools in this category.
About Converters & Data Tools
Doffl converters turn files and data into the format you need. Convert CSV to JSON and back, JSON to XML, YAML or SQL, spreadsheets to other formats, and units such as length, weight, temperature, speed and data size. File converters help you change document and image formats, while data utilities clean, split and merge datasets for analysis or import. These tools are useful for analysts preparing reports, developers moving data between systems, students working on assignments and business owners importing product lists into online stores. Conversions run quickly in your browser and keep your data private. Upload or paste your input, choose the target format, preview the output and download it, ready to use in your next app or spreadsheet.
All converters & data tools
- Epoch Converterepoch · time · date · converter
- Image Converter/Compressorimage · convert · png · jpg
- Codecanyon Preview Image Convertercodecanyon · preview · image · converter
- PNG to SVG Converterpng · svg · image · vector
- Number Base Converternumber · base · binary · hex
- CSV to JSONcsv · json · converter
- JSON to CSVjson · csv · converter
- CSV Viewer & Filtercsv · excel · data · table
- vCard to CSVvcard · vcf · csv · contacts
- Contacts to vCardvcard · vcf · contacts · generator
- Color Convertercolor · convert · hex · rgb
- Unit Converterunit · convert · length · mass
- Text to Slug Converterslug · url · seo · friendly
- Bulk File Renamerfile · rename · bulk · batch
- File Zipper & Unzipperzip · unzip · file · folder
- Excel Chart Generatorexcel · chart · graph · data
- File Duplicatorduplicate · file · copy · multiply
- SQL Schema Generatorsql · schema · generator · json
- CSV Chunk Splittercsv · split · chunk · excel
- JSON to TypeScriptjson · typescript · interface · type
- Base64 File Converterbase64 · encode · decode · file
- Spreadsheet Deduplicatorcsv · excel · dedup · duplicate
- Column Data Profilercolumn · stats · analysis · csv
- Excel Formula Treeexcel · formula · viewer · tree
- Route Matrixroute · distance · matrix · grid
- Excel <-> CSV Converterexcel · csv · xlsx · convert
- Text to CSVtext · csv · parse · convert
- Database File Viewerdatabase · sqlite · mysql · postgresql
- File Comparison Toolcompare · excel · csv · pdf
Guides & articles
Frequently asked questions
Can I convert CSV to JSON for free?
Yes. The CSV to JSON converter is free and lets you preview the result before downloading.
Is my data private during conversion?
Converters process data in your browser, so files are not stored on our servers.
Do converters keep special characters?
Yes. UTF-8 text, including Indian languages and emojis, is preserved during conversion.
Can I convert large files?
Typical files convert in seconds. Very large datasets depend on your device memory.