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NGSpeak: Language Learning App
Learn English and Bengali with 160 offline-first lessons across CEFR A1–C2, including speaking, writing, pronunciation practice, and progress tracking.
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Data converters.
Switch structured records between table and data formats. Best for UTF-8 structured records; see each tool for supported data shapes.
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Data converters
Best for UTF-8 structured records; see each tool for supported data shapes.
Data converters 9 tools
CSV to JSONConvert csv to json locally. Safe UTF-8 CSV to JSON for simple structured records, with download and no upload.Convert now →JSON to CSVConvert json to csv locally. Safe UTF-8 JSON to CSV for simple structured records, with download and no upload.Convert now →CSV to TSVConvert csv to tsv locally. Safe UTF-8 CSV to TSV for simple structured records, with download and no upload.Convert now →TSV to CSVConvert tsv to csv locally. Safe UTF-8 TSV to CSV for simple structured records, with download and no upload.Convert now →TSV to JSONConvert tsv to json locally. Safe UTF-8 TSV to JSON for simple structured records, with download and no upload.Convert now →JSON to TSVConvert json to tsv locally. Safe UTF-8 JSON to TSV for simple structured records, with download and no upload.Convert now →CSV to HTMLConvert csv to html locally. Safe UTF-8 CSV to HTML for simple structured records, with download and no upload.Convert now →TSV to HTMLConvert tsv to html locally. Safe UTF-8 TSV to HTML for simple structured records, with download and no upload.Convert now →JSON to HTMLConvert json to html locally. Safe UTF-8 JSON to HTML for simple structured records, with download and no upload.Convert now →
How to convert files online
Choose the file format you have and the format you need. Open the matching converter, select your file, and download the converted result. Your files are processed on your device instead of being uploaded for conversion. Different formats have different strengths, so each tool includes helpful advice on compatibility and quality.
Some formats require a compatible browser or have limitations, especially for animation, advanced image features, and complex documents. Check the result before sharing it, and keep your original file in case you need to try another format.