File Conversion Toolchain

Browser-based conversion with compatibility guardrails, safe presets, and production-oriented output defaults.

Launch tool Request custom workflow →

Quick start

1 Upload a source file.
2 Select a safe preset (or manual mapping + optional codec profile).
3 Run conversion and download the output.

File Conversion Toolchain

Choose file

Conversion mode Source extension Target extension Safe preset Codec profile layer

Input inspector

Container: -
Codec: -
Bitrate: -
Duration: -
Resolution: -

Waiting for input file.

Ready. Choose file + source + target extension.

Report: No conversion yet.

Supported extension set & Compatibility matrix View formats and compatibility

Supported extension set

Audio: MP3, WAV, OGG, AAC, M4A, FLAC, OPUS, WMA, AIFF, AC3

Video: MP4, MOV, MKV, WEBM, AVI, M4V, MPG, MPEG, OGV

Image: PNG, JPG, JPEG, WEBP, BMP, GIF, TIFF, AVIF, SVG

Document: DOCX, PDF, TXT, MD, HTML, RTF

Compatibility matrix

Matrix is based on reliable format-category pairs and safe production defaults.

Audio → Audio

Video → Video, Audio

Image → Image

Document → Document

Presets and job queue Job queue

Saved presets

Job queue

Recent jobs for this tool in this browser.

[{"ext":"mp3","category":"audio","label":"MP3 Audio"},{"ext":"wav","category":"audio","label":"WAV Audio"},{"ext":"ogg","category":"audio","label":"OGG Audio"},{"ext":"aac","category":"audio","label":"AAC Audio"},{"ext":"m4a","category":"audio","label":"M4A Audio"},{"ext":"flac","category":"audio","label":"FLAC Audio"},{"ext":"opus","category":"audio","label":"OPUS Audio"},{"ext":"wma","category":"audio","label":"WMA Audio"},{"ext":"aiff","category":"audio","label":"AIFF Audio"},{"ext":"ac3","category":"audio","label":"AC3 Audio"},{"ext":"mp4","category":"video","label":"MP4 Video"},{"ext":"mov","category":"video","label":"MOV Video"},{"ext":"mkv","category":"video","label":"MKV Video"},{"ext":"webm","category":"video","label":"WEBM Video"},{"ext":"avi","category":"video","label":"AVI Video"},{"ext":"m4v","category":"video","label":"M4V Video"},{"ext":"mpg","category":"video","label":"MPG Video"},{"ext":"mpeg","category":"video","label":"MPEG Video"},{"ext":"ogv","category":"video","label":"OGV Video"},{"ext":"png","category":"image","label":"PNG Image"},{"ext":"jpg","category":"image","label":"JPG Image"},{"ext":"jpeg","category":"image","label":"JPEG Image"},{"ext":"webp","category":"image","label":"WEBP Image"},{"ext":"bmp","category":"image","label":"BMP Image"},{"ext":"gif","category":"image","label":"GIF Image"},{"ext":"tiff","category":"image","label":"TIFF Image"},{"ext":"avif","category":"image","label":"AVIF Image"},{"ext":"svg","category":"image","label":"SVG Image"},{"ext":"docx","category":"document","label":"DOCX Document"},{"ext":"pdf","category":"document","label":"PDF Document"},{"ext":"txt","category":"document","label":"TXT Document"},{"ext":"md","category":"document","label":"Markdown Document"},{"ext":"html","category":"document","label":"HTML Document"},{"ext":"rtf","category":"document","label":"RTF Document"}]

[{"id":"audio-web","label":"Audio web delivery (MP3 192k)","description":"Stable for web playback and previews.","sourceCategory":"audio","targetExt":"mp3","ffmpegArgs":["-vn","-b:a","192k"]},{"id":"audio-lossless","label":"Audio lossless handover (WAV)","description":"Safe intermediate for editing pipelines.","sourceCategory":"audio","targetExt":"wav","ffmpegArgs":["-vn","-ac","2","-ar","48000"]},{"id":"video-web","label":"Video web delivery (MP4 faststart)","description":"Browser-friendly container and playback defaults.","sourceCategory":"video","targetExt":"mp4","ffmpegArgs":["-movflags","+faststart","-b:v","2200k","-b:a","160k"]},{"id":"video-archive","label":"Video archive handover (MKV)","description":"Container-safe output for handover workflows.","sourceCategory":"video","targetExt":"mkv","ffmpegArgs":["-b:v","3200k","-b:a","192k"]},{"id":"video-audio-extract","label":"Video audio extract (MP3 192k)","description":"Extract the first audio stream from video for delivery or transcription workflows.","sourceCategory":"video","targetExt":"mp3","ffmpegArgs":["-map","0:a:0","-vn","-b:a","192k"]},{"id":"image-web","label":"Image web delivery (WebP)","description":"Balanced size and visual quality for websites.","sourceCategory":"image","targetExt":"webp","ffmpegArgs":["-q:v","82"]},{"id":"image-lossless","label":"Image lossless handover (PNG)","description":"Lossless output for UI and source assets.","sourceCategory":"image","targetExt":"png","ffmpegArgs":[]},{"id":"document-plain","label":"Document plain text (TXT)","description":"Extract readable text from document sources.","sourceCategory":"document","targetExt":"txt","ffmpegArgs":[]},{"id":"document-markdown","label":"Document markdown (MD)","description":"Readable markdown output for editing and documentation.","sourceCategory":"document","targetExt":"md","ffmpegArgs":[]}]

[{"id":"video-h264-baseline","label":"H.264 baseline (legacy web)","description":"Legacy-compatible H.264 output with AAC audio.","sourceCategory":"video","targetExt":"mp4","ffmpegArgs":["-c:v","libx264","-profile:v","baseline","-level","3.1","-pix_fmt","yuv420p","-preset","veryfast","-movflags","+faststart","-c:a","aac","-b:a","128k"]},{"id":"video-h264-high","label":"H.264 high (modern web)","description":"Higher quality H.264 profile for modern playback.","sourceCategory":"video","targetExt":"mp4","ffmpegArgs":["-c:v","libx264","-profile:v","high","-level","4.1","-pix_fmt","yuv420p","-preset","medium","-movflags","+faststart","-c:a","aac","-b:a","160k"]},{"id":"audio-opus-voice","label":"Opus voice (speech)","description":"Speech-oriented Opus configuration for voice clarity.","sourceCategory":"audio","targetExt":"ogg","ffmpegArgs":["-c:a","libopus","-b:a","64k","-vbr","on","-application","voip"]},{"id":"audio-aac-mobile","label":"AAC mobile (balanced)","description":"Mobile-friendly AAC profile for broad compatibility.","sourceCategory":"audio","targetExt":"m4a","ffmpegArgs":["-c:a","aac","-b:a","128k"]},{"id":"image-webp-web","label":"WebP web profile","description":"Web delivery profile for image assets.","sourceCategory":"image","targetExt":"webp","ffmpegArgs":["-q:v","82"]}]

{"title":"File Conversion Toolchain","lead":"Convert between compatible audio, video, image, and document formats directly in-browser.","sourceLabel":"Source extension","targetLabel":"Target extension","convertLabel":"Convert file","selectSource":"Select source","selectTarget":"Select target","noServerNote":"No server upload. Conversion runs in your browser.","pipelineTitle":"Suggested pipeline","supportedTitle":"Supported extension set","fileLabel":"Choose file","statusIdle":"Ready. Choose file + source + target extension.","statusLoading":"Loading conversion engine...","statusConverting":"Converting file...","statusDone":"Conversion finished.","statusError":"Conversion failed. Try another compatible target extension.","statusQueued":"Queued for processing.","downloadLabel":"Download converted file","modeLabel":"Conversion mode","modePreset":"Safe preset (recommended)","modeManual":"Manual extension mapping","presetLabel":"Safe preset","presetHint":"Presets lock to high-compatibility output combinations.","codecProfileLabel":"Codec profile layer","codecProfileHint":"Optional profile overrides codec-level output for specific playback targets.","codecProfileNone":"No codec profile","inspectorTitle":"Input inspector","inspectorRefresh":"Refresh metadata","inspectorContainer":"Container","inspectorCodec":"Codec","inspectorBitrate":"Bitrate","inspectorDuration":"Duration","inspectorResolution":"Resolution","inspectorUnknown":"Unknown","inspectPending":"Waiting for input file.","inspectDone":"Input inspection complete.","inspectError":"Input inspection failed.","compatibilityTitle":"Compatibility matrix","compatibilityLead":"Matrix is based on reliable format-category pairs and safe production defaults.","matrixSource":"Source","matrixAudio":"Audio","matrixVideo":"Video","matrixImage":"Image","matrixDocument":"Document","matrixTargets":"Allowed target categories","matrixRecommended":"Recommended safe output","documentModeError":"This document conversion pair is not supported. Use TXT, MD, or HTML as target.","audioStreamError":"This source file has no audio stream. Choose a video target or use a source with audio.","unsupportedPairError":"This format pair is not stable in the browser runtime. Use a safe preset or choose MP4, MP3, WAV, WEBP, or TXT as target.","safePresets":[{"id":"audio-web","label":"Audio web delivery (MP3 192k)","description":"Stable for web playback and previews.","sourceCategory":"audio","targetExt":"mp3","ffmpegArgs":["-vn","-b:a","192k"]},{"id":"audio-lossless","label":"Audio lossless handover (WAV)","description":"Safe intermediate for editing pipelines.","sourceCategory":"audio","targetExt":"wav","ffmpegArgs":["-vn","-ac","2","-ar","48000"]},{"id":"video-web","label":"Video web delivery (MP4 faststart)","description":"Browser-friendly container and playback defaults.","sourceCategory":"video","targetExt":"mp4","ffmpegArgs":["-movflags","+faststart","-b:v","2200k","-b:a","160k"]},{"id":"video-archive","label":"Video archive handover (MKV)","description":"Container-safe output for handover workflows.","sourceCategory":"video","targetExt":"mkv","ffmpegArgs":["-b:v","3200k","-b:a","192k"]},{"id":"video-audio-extract","label":"Video audio extract (MP3 192k)","description":"Extract the first audio stream from video for delivery or transcription workflows.","sourceCategory":"video","targetExt":"mp3","ffmpegArgs":["-map","0:a:0","-vn","-b:a","192k"]},{"id":"image-web","label":"Image web delivery (WebP)","description":"Balanced size and visual quality for websites.","sourceCategory":"image","targetExt":"webp","ffmpegArgs":["-q:v","82"]},{"id":"image-lossless","label":"Image lossless handover (PNG)","description":"Lossless output for UI and source assets.","sourceCategory":"image","targetExt":"png","ffmpegArgs":[]},{"id":"document-plain","label":"Document plain text (TXT)","description":"Extract readable text from document sources.","sourceCategory":"document","targetExt":"txt","ffmpegArgs":[]},{"id":"document-markdown","label":"Document markdown (MD)","description":"Readable markdown output for editing and documentation.","sourceCategory":"document","targetExt":"md","ffmpegArgs":[]}],"codecProfiles":[{"id":"video-h264-baseline","label":"H.264 baseline (legacy web)","description":"Legacy-compatible H.264 output with AAC audio.","sourceCategory":"video","targetExt":"mp4","ffmpegArgs":["-c:v","libx264","-profile:v","baseline","-level","3.1","-pix_fmt","yuv420p","-preset","veryfast","-movflags","+faststart","-c:a","aac","-b:a","128k"]},{"id":"video-h264-high","label":"H.264 high (modern web)","description":"Higher quality H.264 profile for modern playback.","sourceCategory":"video","targetExt":"mp4","ffmpegArgs":["-c:v","libx264","-profile:v","high","-level","4.1","-pix_fmt","yuv420p","-preset","medium","-movflags","+faststart","-c:a","aac","-b:a","160k"]},{"id":"audio-opus-voice","label":"Opus voice (speech)","description":"Speech-oriented Opus configuration for voice clarity.","sourceCategory":"audio","targetExt":"ogg","ffmpegArgs":["-c:a","libopus","-b:a","64k","-vbr","on","-application","voip"]},{"id":"audio-aac-mobile","label":"AAC mobile (balanced)","description":"Mobile-friendly AAC profile for broad compatibility.","sourceCategory":"audio","targetExt":"m4a","ffmpegArgs":["-c:a","aac","-b:a","128k"]},{"id":"image-webp-web","label":"WebP web profile","description":"Web delivery profile for image assets.","sourceCategory":"image","targetExt":"webp","ffmpegArgs":["-q:v","82"]}],"platform":{"presetsTitle":"Presets and job queue","presetSelectLabel":"Saved presets","presetPlaceholder":"Choose preset","savePresetLabel":"Save preset","savePresetPrompt":"Preset name","deletePresetLabel":"Delete preset","deletePresetConfirm":"Delete selected preset?","renamePresetLabel":"Rename","renamePresetPrompt":"New preset name","duplicatePresetLabel":"Duplicate","duplicatePresetPrompt":"Duplicate name","exportPresetsLabel":"Export presets","importPresetsLabel":"Import presets","importPresetsInvalid":"Preset import failed. Invalid file.","importPresetsSummary":"Imported: {imported}, skipped: {skipped}.","repeatLastLabel":"Repeat last settings","queueTitle":"Job queue","queueHint":"Recent jobs for this tool in this browser.","queueEmpty":"No jobs yet.","queuePending":"Pending","queueRunning":"Running","queueValidating":"Validating","queueProcessing":"Processing","queueExporting":"Exporting","queueDone":"Done","queueWarning":"Warning","queueError":"Error"}}

Typical use-cases

Convert delivery files into web-safe formats before sharing with clients.
Create consistent audio/video handover outputs across mixed source formats.
Extract readable text from DOCX/PDF sources for review and editing workflows.
Prepare quick previews without opening desktop editors.

Feature overview

Safe presets and manual conversion modes
Optional codec profile layer (H.264 baseline/high, Opus voice, AAC mobile)
Input inspector (container, codec, bitrate, duration, resolution)
Compatibility matrix by media and document category
Local browser processing (no own-server upload)
Saved presets, queue history, and repeat-last settings

FAQ

Do converted files leave my browser?

No. Conversion runs locally in your browser environment.

Can I force specific codecs?

Preset mode applies safe output defaults; manual mode lets you choose source/target extensions directly.

Need this as a custom workflow or plugin?

Share a short requirement and continue to direct inquiry.

Note

Browser compatibility, file size limits, and output quality vary by input and device. Share links include tool settings in the URL only. No files are stored on my server.