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Not sure where to start?
A photo must fit both pixels and KB
Read the upload form's required dimensions, format and file-size limit first. Resize the image to the correct dimensions, then reduce its KB size if needed. Small size targets can reduce dimensions again, so check the downloaded result against both limits.
Several documents need to become one PDF
Use Merge PDF for existing PDFs. For photos or scans, use JPG to PDF instead. Add files in the required order and review every output page. Converting a photo into a PDF does not recognize its text.
A PDF exceeds a file-size limit
Start with Compress PDF and choose clean re-save if searchable text matters. Strong image compression can make scans smaller, but can remove selectable text and form fields. Keep the original and inspect small print, signatures and codes after downloading.
Check the result before submitting
FileHoney prepares files; it cannot guarantee that a receiving website will accept them. Confirm the actual file size, dimensions, page order and readability. For passport or application photos, follow the receiving authority's current instructions rather than relying on a preset.
New to the tools? Download a two-page practice PDF or a sample image. The linked tool pages explain settings, examples and limitations. For help with an unexpected result, contact support without sending a private document.
BUILT AROUND YOUR PRIVACY
Your files. In your hands.
Supported file operations run in your browser. Keep your originals and download your results. Some tools load external libraries; analytics and advertising receive ordinary website data.
Read our privacy policyMix Audio Online
Online audio mixer
File input
Choose audio files
Accepts MP3, WAV, M4A, AAC, OGG, OPUS, FLAC and WebM audio.
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files loaded
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results ready
Preview
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Select a file to preview it.
Output
Finished files and reports appear here.
Free online tool
About Mix Audio Online
Overlay all loaded audio tracks from time zero into a WAV whose duration matches the longest track. Track gain applies equally to each source. If the combined sample peak exceeds 98%, a shared scale reduction prevents clipping.
- Load at least two audio tracks that should begin together.
- Choose the shared track-gain percentage and output channels.
- Mix and listen to the full result, especially the loudest overlapping section.
Practical guide
What to check in the result
No timeline offsets, per-track faders, beat synchronization, LUFS normalization or AI source separation are provided. Opposite-phase sources can cancel when mixed.
Large recordings and channel data
Processing happens in browser memory. Decoded inputs and outputs are limited to 32 million channel samples, roughly 128 MB of floating-point audio. Shorter recordings or fewer channels reduce memory use. Preserve an original copy and listen to the exported result.
Something did not work? Report a problem with the tool name, browser and settings. Please avoid sending private files.
Supported formats
Files you can use
- Input
- Audio supported by the browser's Web Audio decoder; WAV fixtures were tested.
- Output
- PCM WAV, with the selected channels/rate and supported 8-bit or 16-bit depth.
No timeline offsets, per-track faders, beat synchronization, LUFS normalization or AI source separation are provided. Opposite-phase sources can cancel when mixed.
Privacy
How Mix Audio handles your data
Files selected for Mix Audio are processed in your browser session. This tool does not intentionally upload your selected file bytes to FileHoney servers. Some tools download browser libraries from content delivery networks when needed.
Analytics and advertising scripts can receive ordinary website request and device data. See the Privacy Policy for details.
FAQ
Mix Audio questions
Does this download an MP3?
No. MP3 can be an input when the browser supports decoding it; the edited result is PCM WAV.
Is audio uploaded for processing?
The editing operation uses browser memory. No audio processing server is used by this tool.
Are my files uploaded for processing?
Files selected for Mix Audio are processed in your browser session. This tool does not intentionally upload your selected file bytes to FileHoney servers. Some tools download browser libraries from content delivery networks when needed.
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