Universal File Converter — Any Format Online

Online tool for converting files of any kind: drop audio, video, an image, a PDF, an archive, subtitles or a data file — the converter reads the content signature, tells you what the file really is and lists every format it can become. Mixed batches are welcome: convert dozens of files of different types in one go and download the results as a single ZIP. Most conversions run in your browser via WebAssembly.

How to convert a file

1

Drop one or more files into the upload zone — any type.

2

Check what was detected and pick a target format for each file or for a whole family.

3

Press Convert and watch per-file progress.

4

Download results one by one, as a single ZIP, or straight into a folder.

Convert audio, video, images, documents, archives, subtitles and fonts in one place

Drop a file here
Audio · Video · Images · PDF · Documents · Archives · Subtitles · Data · Fonts ·
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Missing a format?

Tell us which conversion you need and we will consider adding it.

What this universal converter can do

Detects the real format
The type is read from the file bytes, not the extension — a renamed or mislabeled file is identified and converted correctly.
Mixed batches
Drop HEIC photos, a MOV video and a WAV recording together — set a target per file or per family and convert everything in one run.
Audio, video, images, documents
Dozens of audio formats, MP4/MKV/MOV/WebM/AVI/GIF video, JPG/PNG/WebP/AVIF/BMP/TIFF/ICO images, Word to PDF and PDF to Word, PDF pages to images or text.
Archives and subtitles too
Repack ZIP, 7Z, RAR, TAR or ISO into another archive format; convert SRT, VTT, ASS, SBV and MicroDVD subtitles both ways.
Smart video remuxing
When the codec already fits the target container, the file is repacked without re-encoding — seconds instead of minutes, zero quality loss.
One ZIP out
Download every result at once as a streamed ZIP archive, or save straight into a folder on supported browsers.

File conversion — questions and answers

Which file types does the converter accept?

Audio (MP3, WAV, FLAC, M4A, OGG, Opus and dozens more), video (MP4, MKV, MOV, WebM, AVI), images (JPG, PNG, WebP, AVIF, HEIC, TIFF, SVG, BMP), PDF, archives (ZIP, 7Z, RAR, TAR, ISO and other formats 7-Zip reads), subtitles (SRT, VTT, ASS, SBV, SUB) and data files (JSON, CSV, TSV, YAML, Markdown). If your format is missing, use the suggestion form on the page. Word documents (DOCX) convert to PDF, HTML or text, and a PDF converts back to an editable DOCX.

How does the tool know what my file is?

By its content: the converter reads the byte signature and container structure, the same way file recovery tools do. If the extension lies — say a WebP renamed to .jpg — the tool says so and converts what the file actually is.

Can I convert many files of different types at once?

Yes. The queue accepts mixed batches: each file gets its own target format, and per-family selectors let you set, for example, all images to JPG and all audio to MP3 in two clicks. Results download individually or as one ZIP.

Why is video conversion sometimes instant?

If the video and audio codecs are already legal in the target container, the converter repacks streams without re-encoding them. Remuxing an MKV into MP4 takes seconds and loses no quality at all.

What happens if my file is damaged?

The converter recognizes typical damage (for example a truncated MP4 without its index) and routes you to File Doctor, which diagnoses the file and suggests the right repair tool.

Where does the processing happen?

Most conversions run in your browser via WebAssembly — FFmpeg for audio and video, 7-Zip for archives, PDF and image codecs for the rest. A small set of rare audio formats (AMR, AWB, Speex, DTS, RA) is converted on the server, marked in the format list.

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Who is this tool for?
🎵 Musicians & Producers 🎙️ Podcasters 🎬 Video Creators ✨ Content Creators 💻 Developers & IT Pros 📋 Productivity 📷 Photographers 🩹 File recovery
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