Merge Documents Online, Free File Merging Tools
Combine several files into one. Merge PDFs, stitch images and join documents.
How to merge documents
To merge documents, open a merge tool, add the files in the order you want, and export a single combined file. PDF merge stacks pages from multiple PDFs into one document. Image tools stitch photos into a single sheet or PDF, and document mergers concatenate text and pages. You can reorder items before merging so the final sequence is exactly right. GigAI's merge tools run in your browser. Files are never uploaded, there is no page or file-count limit, and the merged output carries no watermark.
3 tools for this task
Every one is free, private and runs in your browser. No sign-up.
Merge PDF
Combine multiple PDF files into a single document, drag to set the order, then download. Free, fast and entirely in your browser.
Video Merger
Combine multiple videos into one online. Add your clips, drag to reorder, and merge into a single MP4. Handles mismatched sizes and formats by re-encoding to a common baseline. No uploads, no account, no watermark.
Audio Merger
Merge multiple audio files into one in your browser. Drop MP3, WAV, M4A or OGG clips, drag to set the order, add an optional crossfade to smooth the joins, then download a single lossless WAV or compact MP3. 100% private. Nothing is uploaded.
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