Precision file workshop
Free Online File Converter & Video Tools
Change the format. Keep what matters. Convert documents, PDFs, images, audio and video with focused tools that run from your browser.
Clear limits
Accepted types and options appear before processing
Visible progress
Each job reports its current stage and result
Local history
Saved jobs remain in this browser’s storage
Document Tools
Word, text and spreadsheets
PDF Tools
Merge, split, secure and OCR
Image Tools
Convert, resize and compress
Video Tools
Trim, transcode and assemble
Audio Tools
Convert and join audio files
Advanced Video Tools
Stabilize, filter and inspect
Popular Conversion Tools
One repeatable flow
No guessing between upload and output
Every tool uses the same conversion rhythm, so the second job feels familiar even when the format changes.
01
Bring the source
Drop a file or choose it with the system file picker.
02
Set the result
Choose only the options that apply to this tool.
03
Collect the output
Track the job, then download or save it to local history.
FAQ
Useful answers before you upload
Limits vary by format and operation. The active tool always shows the accepted input and available controls.
Do I need an account?
No. The current conversion tools can be opened and used without creating an account.
What is the maximum file size?
The frontend accepts files up to 500 MB and rejects larger files before a conversion request is sent.
Which formats are supported?
ConvertFast includes document, PDF, image, audio, and video tools. Each tool shows its accepted file types in the upload step.
Where is my history stored?
Saved conversion history is stored locally in your browser. Clearing browser storage removes that local history.