Free Online File Converter – Convert PDF, Images, Audio, Video & More

Managing dozens of incompatible file formats is a daily friction point for students, office workers, developers, and freelancers alike. Whether you're trying to send a DOCX to someone who only reads PDFs, or converting a batch of images for a client presentation, hunting for a tool that handles everything in one place wastes time. This file converter is built to eliminate that friction — supporting a wide range of formats across documents, images, audio, video, and more, all processed without requiring an account or installing software.

How It Works

1. Upload Your File: Select a file from your device, cloud storage, or drag and drop it into the upload zone. The tool auto-detects the input format using MIME type validation and file header inspection — no need to manually specify what type of file you're uploading.
2. Select Output Format: Choose your target format from the supported output list. The conversion engine routes your file to the appropriate server-side processing module — LibreOffice for documents, FFmpeg for audio/video, ImageMagick or Ghostscript for images and PDFs — depending on format pair.
3. Download Instantly: Once processing completes (typically under 30 seconds for standard file sizes), your converted file is ready. Files are automatically deleted from the server within 60 minutes to protect your privacy.

Compatibility & Support

Supported Input → Output Formats

• Documents: DOCX → PDF, PDF → DOCX, RTF → PDF, PDF → RTF, HTML → PDF, PDF → HTML, TXT → PDF
• Spreadsheets: XLSX → PDF, PDF → XLSX, CSV → PDF
• Presentations: PPTX → PDF, PDF → PPTX
• Images: JPG → PDF, PNG → PDF, TIFF → PDF, PDF → JPG, PDF → BMP, PDF → SVG, PDF → TIFF, WebP → JPG, PNG → JPG
• eBooks: EPUB → PDF, PDF → EPUB, PDF → MOBI
• Specialized/Technical: XPS → PDF, PDF → XPS, PDF → DXF, PDF → PostScript (PS), PDF → PDF/A, PDF/A → PDF, Base64 → PDF, PDF → Base64, PDF → PDF/X
• Audio: MP3, WAV, AAC, OGG, FLAC, M4A (cross-conversion supported)
• Video: MP4, AVI, MOV, MKV, WebM, FLV (cross-conversion supported)

Unsupported Formats

• Proprietary CAD formats (e.g., DWG source files, CATIA, SolidWorks) — these require licensed rendering engines not available on browser-based tools.
• Encrypted or DRM-protected PDFs — password-protected files must be unlocked first before conversion.
• Corrupted files — files with broken headers or incomplete data cannot be processed; use the PDF repair tool for damaged PDFs.
• Executable files (.exe, .bat, .sh) — not supported for security reasons.

File Size Limits

• Standard conversions: up to 100MB per file
• Video files: up to 500MB depending on output format
• Batch processing: supported for image and PDF formats (up to 20 files per session)

Who Should Use This Tool?

• Students: A student submitting a dissertation often needs to convert a DOCX to PDF to preserve formatting across devices. This tool handles that in seconds, without installing Word or Adobe Acrobat.
• Freelancers & Designers: A graphic designer receiving a PDF mockup who needs editable SVG or image layers can extract and convert those assets directly. No back-and-forth with clients over format compatibility.
• Office Professionals: A lawyer converting 50 client contract PDFs to DOCX weekly for annotation saves hours using the batch mode here versus manual conversion in Acrobat Pro. Finance teams converting Excel reports to PDF for distribution can process multiple sheets at once.
• Developers: Developers building document pipelines often need to test Base64-encoded PDFs, convert HTML to PDF for report generation, or extract raw text from PDFs for NLP pipelines. The Base64 ↔ PDF and HTML → PDF tools are built precisely for this workflow.

Why This Tool Beats the Alternatives

• No free-tier file size cap: Many popular tools cap free conversions at 5–25MB. This tool supports up to 100MB on standard conversions and 500MB for video — without requiring a paid plan.
• No watermarks on output: Converted documents and images are returned clean. Several competing services add visible watermarks to free-tier outputs, making them unusable for professional submissions.
• No account creation: Tools like some leading PDF platforms require email signup before allowing downloads. Here, you convert and download immediately.
• More formats in one place: Most alternatives specialize in one category (PDFs or images or audio). This platform covers all categories under one URL, reducing the need to maintain accounts on five different services.
• No ads interrupting workflow: The interface is designed for fast task completion — no pop-ups, no redirect loops, no countdown timers before download.
• Technical format support others skip: Formats like PDF/A, PDF/X, PostScript, DXF, and Base64 are rarely found on consumer converters. This tool supports them natively for professional and developer use cases.

Pro Tips

• Pre-process protected PDFs before converting: If your PDF won't convert, it's likely encrypted. Run it through the unlock tool first, then retry the conversion — this resolves the majority of failed conversion errors.
• Use PDF/A for archival and legal submissions: If you're submitting documents to courts, government agencies, or academic institutions, convert to PDF/A format rather than standard PDF. PDF/A embeds all fonts and color profiles, ensuring the document renders identically on any system decades from now.
• Compress after converting: Converting from DOCX or image formats to PDF can produce large output files. After conversion, run the file through the PDF compressor to reduce size before emailing or uploading.

Select your input file, choose your target format, and get your converted file in seconds. For related tasks, explore the full PDF tools and document tools available on the platform.