Konverter mellom formater: CSV, JSON, Markdown, HTML, Base64 og bilder.
Free online conversion tools for transforming data between formats. Our conversion toolkit includes a CSV to JSON converter (bidirectional), outline to JSON tree converter (bidirectional), image to Base64 converter, image compressor, image resizer, image cropper, image color picker, HTML to Markdown converter, and image to ICO converter for website favicons. Perfect for data migration, API testing, content management, and image optimization workflows.
Konverter CSV og JSON umiddelbart. Støtt dra-og-slipp-filopplasting og topptekstdeteksjon.
Konverter innrykket tekstdisposisjon til JSON-trestruktur med toveis konvertering.
Konverter bilder til Base64 data URI umiddelbart. Dra-og-slipp PNG, JPG, GIF, SVG.
Komprimer PNG-, JPG- og WebP-bilder på nett, behold kvaliteten mens du reduserer filstørrelsen.
Endre størrelse på bilder på nett med egendefinert bredde og høyde.
Beskjær bilder på nett med egendefinerte forhold.
Ekstraher fargeverdier fra bilder.
Konverter HTML til Markdown-format.
Konverter bilder til ICO-ikonformat.
Konverter mellom ulike bildeformater.
Perfect for data migration between platforms, API testing and development, image optimization for web, favicon generation, content management system migrations, and document format conversion.
File sizes depend on the specific tool. Image tools handle files up to 20MB. CSV/JSON converters handle large text files efficiently. All processing is local, so there are no server-side limits.
Yes. All conversions happen entirely in your browser. Your files and data are never uploaded to any server. This is especially important for sensitive CSV data and images.
PNG, JPG, JPEG, GIF, WebP, SVG, and BMP are supported across our image tools. Output formats vary by tool and include PNG, JPEG, WebP, Base64, and ICO.
All free online tools for developers, designers, students, and creators.
Every tool works in your browser — no sign-up, no data collection.