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Available for Windows, macOS, and Linux

Ask your folders.
They’ll answer.

FileMaster 3000 is a fast dual-pane file manager that reads the documents it shows you. Preview and edit PDF, Word, Excel, images, audio, MIDI, and video. Ask a question and get a cited answer. Move gigabytes between machines directly. Your disk stays your disk.

Also available for macOS and Linux. The explorer is free forever. No account, no upload, no lock-in.

FileMaster 3000 · Dual-pane explorer with document chat

FM — □ ×
Documents › Q3-reports
NameSizeModified
FY26-board.pdf 4.2 MBTue 14:02
Pipeline.xlsx 812 KBTue 11:40
Offer-letter.docx 96 KBMon 17:12
whiteboard.png 2.8 MBMon 09:31
all-hands.mp4 1.1 GBFri 16:05
interview.wav 214 MBFri 10:44
Ask this folder Local · Ollama
Which report mentions churn above 4%?

FY26-board.pdf reports logo churn at 4.2% for Q3, above the 4% threshold set in January.

FY26-board.pdf · p. 12 · “logo churn held at 4.2%…”

Pipeline.xlsx · Renewals sheet shows the three accounts driving it, rows 41–43.

Ask about 6 files in scope…
Windows macOS Linux Local first Works offline Free explorer

Latest desktop build

One download per platform.
Installer, or a portable exe.

Install, open a folder, and start working. Windows is first-class with network drives and on-device Live Text; macOS and Linux ship from the same codebase.

One continuous workflow

Stop opening five apps
to answer one question.

The answer you need is usually in a folder you already have: a page in a board deck, a row in a workbook, a line in a contract. FileMaster puts browsing, reading, asking, and acting in one window, so finding it takes seconds instead of a detour.

01

Browse like you always have

Dual panes, tabs, keyboard shortcuts, network drives, batch rename, and a Recycle Bin. Everything a serious file manager owes you, with instant folder opens.

02

Read without opening apps

PDF, Word, Excel, images, audio, MIDI, and video preview in place. Ask a question about the folder in front of you and get an answer with page and sheet citations.

03

Act on what you find

Crop an image, trim audio, edit a document, rename a batch, or beam gigabytes straight to another machine over an encrypted direct connection.

The complete file manager

Built as a real explorer,
not a cloud locker.

FileMaster does not ask you to move your files anywhere. It meets them where they are — on your disks, your network drives, and the machines around you — and makes them more useful.

EXPLORE

A real explorer, engineered for speed.

Dual-pane, tabbed Side-by-side or stacked panes with independent tabs, per-tab history, and cross-pane transfers.

Instant navigation Prefetch on hover, in-memory listing cache, and virtualized rows keep huge folders responsive.

Command center Ctrl+K jumps to any file or place, runs explorer actions, and takes questions inline.

Terminals built in Open your system terminal in any folder, or an embedded terminal tab right inside a pane.

Web tabs A native browser view with an address bar, so reference pages live next to your files.

Network drives Map and unmap Windows network drives without leaving the app.

UNDERSTAND

Documents that answer questions.

Cited answers Ask across PDF, Word, Excel, CSV, text, and images. Every answer points to the page, sheet, or line it came from.

Your choice of engine Run models locally with Ollama, or connect your own OpenAI, Anthropic, Gemini, Groq, or OpenRouter key.

Folder-scale search An incremental local index combines full-text and semantic search, with OCR fallback for scans.

Live Text Select and copy words out of screenshots and photos using on-device OCR.

Spreadsheets included Query workbooks through a real data stack instead of pasting cells into a chat box.

Dictation Speak instead of typing, transcribed on this device with bundled Whisper or through your own key.

EDIT & MOVE

Finish the job where the files live.

Image editing Crop, rotate, resize, and mark up images in place, with exact pixel controls.

Audio and video Visual audio crop, silence, gain, and EQ on the waveform; spatial video cropping with MP4 export.

Document edits Edit text and Markdown directly, change Word text and Excel cells without breaking structure.

Beam transfer Send files and whole folder trees device-to-device over an end-to-end encrypted direct connection, paired by a one-time code.

Safe by default Beam writes hidden partial files and only publishes them when every byte has arrived. Nothing is overwritten.

Cloud import Pull files in from OneDrive or Dropbox without making a cloud your filesystem.

Private by design

Your disk
stays your disk.

Most tools that read documents want your documents. FileMaster is built the other way around: work happens on your hardware, and when you choose a cloud model, only the snippets needed to answer your question leave the machine — through your own account.

Cloud access is optional, per-provider, and always under your key.
Read the privacy policy

Local first

Text extraction, previews, search indexing, and OCR run on your machine.

No account required

The explorer works fully offline, forever, without signing in to anything.

Your keys, direct

Cloud models connect straight to the provider with your own key. No proxy in between.

Index stays home

The search index lives in local application data. Only matching snippets ever reach a model.

Encrypted transfers

Beam moves data over an end-to-end encrypted channel directly between your devices.

Offline capable

Browsing, previews, editing, and local models keep working with the network cable pulled.

Free

$0 forever

The full explorer: dual panes, previews, editing, and network drives. Beam and Ask AI chat are Plus features.

Download the explorer
Most popular

Plus

$8.99 per month

Everything in Free, plus Beam, Ask AI chat, workbook chat through the data stack, the local search index, Live Text with vision fallback, and image edits with your key.

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Ready when you are

The next file you open
should be able to answer back.

Windows macOS Linux — free explorer, no account required