Files to convert
Choose files or drop them anywhere on the page. They become XLSX straight away, on your own device. Nothing is uploaded.
Convert all to
Converted
Converted files appear here, ready to save.
Drop files, pick a format from the ring, save the result. Everything converts on your own device.
Turn CSV, TSV or JSON data into a proper Excel workbook (.xlsx) that opens with columns in place. Nothing is uploaded.
Choose files or drop them anywhere on the page. They become XLSX straight away, on your own device. Nothing is uploaded.
From PNG · JPG · WEBP · GIF · BMP · AVIF · SVG · ICO · HEIC · HEIF
To PNG · JPG · WEBP · GIF · PDF · ICO · BMP · CLEAN
HEIC photos from iPhones work too. Clean removes the location and other hidden data without losing quality.
From PDF
To EDIT · MERGE · SPLIT · SHRINK · PNG · JPG · TXT
Edit pages, text and forms, merge PDFs (and images) into one, split into single pages, shrink, or turn pages into images or text.
From DOCX · MD · TXT · HTML
To PDF · HTML · MD · TXT
Word to PDF keeps the page layout, fonts, colours, tables, images, headers and footers, and the text stays searchable.
From XLSX · XLS · ODS · CSV · TSV · JSON
To XLSX · CSV · JSON · HTML · MD
Workbooks with several sheets give one CSV per sheet.
From MP3 · WAV · OGG · OGA · OPUS · FLAC · M4A · AAC · WEBA
To MP3 · WAV
Decoding uses your browser, so formats vary slightly by browser.
From MP4 · WEBM · MOV · M4V · MKV
To GIF · MP3 · WAV · PNG · JPG
Make a GIF from the opening seconds, pull the soundtrack, or grab a frame.
Yes. Comma- and semicolon-separated files are both recognised.
Yes. A JSON object with lists becomes one sheet per list.
No. LunaVerta has no server that receives files. Every conversion runs in your browser, on your device, and the result is saved straight to your downloads.
Yes. After your first visit the app is stored on your device. Helpers for PDF, Word, Excel, MP3 and HEIC are saved the first time you use them, then work offline too.
Nothing. There are no accounts, ads, cookies or trackers.
LunaVerta is a free file converter and PDF editor that runs entirely in the web browser. Files are processed on the user's own device and are never uploaded to a server. It works offline after the first visit, needs no account, sets no cookies and shows no ads. LunaVerta is made in Denmark by Midt-Tech, and its code is open source under the MIT License.