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.

Precision file workshop

Change the format. Keep what matters.

A focused set of file tools with clear inputs, useful controls, and a result you can download without learning a new app.

No account required Up to 500 MB per file 43 focused tools

Station 01 / Find a tool Ready

What do you need to transform?

DOC to PDFConvert Word documents to PDF PDF to DOCXConvert PDF to Word document Convert ImagesConvert between image formats Compress PDFReduce PDF file size PDF to JPGConvert PDF pages to JPG or PNG images

INFXOUT

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

Tool families

Choose by what you are working on

01 / Documents

Documents

Word, text and spreadsheets

02 / PDF bench

PDF bench

Merge, split, secure and OCR

03 / Image lab

Image lab

Convert, resize and compress

04 / Video line

Video line

Trim, transcode and assemble

Popular Conversion Tools

PDF to JPGConvert PDF pages to JPG/PNG Audio ConverterConvert MP3, WAV, FLAC, AAC Merge AudioCombine MP3 & WAV tracks Remove Audio from VideoCreate silent MP4 video Merge PDFCombine multiple PDFs into one Compress PDFReduce PDF file size Word to PDFConvert Word DOCX to PDF OCR PDFExtract text from scanned PDFs

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.