No uploads. No waiting. No catch.

One free tool to compress a PDF.

Nothing you upload ever leaves your device. Compress, convert, merge, and edit PDFs, images, video and more — plus free speech-to-text. Free to start, no privacy trade-offs.

PDF · JPG · PNG · WebP · HEIC · MP4 · MP3 · CSV · ZIP and more

—:—
0 tools & games in one library
0 sec upload wait — files stay local
100% free to start, no account needed
Private by design, not by policy

The File Guru library

Every tool runs locally in your browser using the same engines professional apps use — no server upload required for PDF, image, or utility tools.

Ctrl/ K to search from anywhere on this page

No tools match your search. Try a different word, or clear the search.

Video & audio tools process in-browser — best for clips under ~2 minutes or 100MB while in Beta.

QR Code Generator

Create a scannable QR code for a link, text or contact card.

Barcode Generator

Create a CODE128, EAN, UPC, CODE39, ITF-14, MSI or Codabar barcode.

Word & Character Counter

Live count of words, characters, sentences and reading time.

Unit Converter

Convert length, weight, temperature and more.

Timezone Converter & World Clock

Convert a time across every timezone that matters to you.

Plagiarism & Duplicate Checker

Compare two texts for matching or near-duplicate sentences.

Currency Converter

Convert between 160+ currencies with daily-updated rates.

CSV ⇄ Excel

Convert between .csv and .xlsx instantly.

JSON Formatter & Validator

Beautify, minify and validate JSON in one click.

CSV ⇄ JSON Converter

Convert CSV to JSON or JSON to CSV, either direction.

Slug Generator

Turn any title into a clean, URL-safe slug — batch mode included.

Zip / Unzip Files

Bundle files into a .zip or extract an existing archive.

Password Generator

Generate strong, random passwords you control.

Color Palette Extractor

Pull a usable color palette from any image.

Base64 Encoder & Decoder

Encode text or files to Base64, or decode a Base64 string back.

Hash / Checksum Generator

SHA-1, SHA-256, SHA-384 and SHA-512 fingerprints for text or files.

Image to Base64 / Data URI

Turn an image into a data URI you can paste straight into CSS or HTML.

Lorem Ipsum Generator

Placeholder paragraphs, sentences or words for any mockup.

Markdown Previewer

Write Markdown and preview the rendered HTML side by side.

Text Case Converter

Switch text between upper, lower, title, camel, snake and kebab case.

Unix Timestamp Converter

Convert Unix time to a readable date and back, local and UTC.

URL Encoder & Decoder

Percent-encode or decode URLs and query strings safely.

UUID Generator

Generate v4 UUIDs in bulk, in any common format.

Favicon Generator

Upload one image, get favicon.ico, every PNG size, apple-touch-icon and a manifest.

Duplicate File Finder

Hash your files locally and group exact content matches, even if they've been renamed.

Loan, Tip & Percentage Calculators

EMI payments with a full amortization schedule, bill splitting and quick percentage math.

Invoice Generator

Add your logo, line items, discount and tax, then export a clean, ready-to-send PDF.

Meta Tag & Open Graph Generator

Generate SEO, Open Graph and X Card tags with live Google, Facebook and X link previews.

Regex Tester

Live match highlighting, flags, and a full capture-group breakdown for any pattern.

Text Diff / Compare

Compare two blocks of text or code and see exactly what changed, line by line or word by word.

Word Cloud Generator

Paste any text and turn it into a visual word-frequency cloud — export as PNG or SVG.

Pomodoro Timer & Countdown

Focus sprints with automatic breaks, or a plain custom countdown — with a chime and optional desktop alert.

Internet Speed Test

Ping, jitter, download and upload — real numbers in about ten seconds.

Device Benchmark

CPU score, graphics FPS, cores, memory and GPU — right in your browser.

Age Calculator & Date Difference

Exact age in years, months and days, or the gap between any two dates.

AI-powered tools

These three send your text to Claude for processing — the only tools in the library that aren't fully local. Clearly marked, always.

Take a break — free mini-games

No file needed. Seven quick, free browser games while your download finishes or your brain needs a minute.

Useful software worth installing

Some jobs need a real desktop app, not a browser tab. These are the free tools we'd actually recommend — links go straight to the official site, nothing hosted or bundled by us.

📦

7-Zip

Free, open-source archive manager. Opens ZIP, RAR, 7z and almost anything else.

📁

WinRAR

The classic archive tool — free to try, industry-standard RAR support.

💼

PeaZip

Free, open-source archive manager that opens over 200 file formats.

🎥

VLC Media Player

Free and open-source. Plays virtually any video or audio file, no codec hunting.

🎬

HandBrake

Free, open-source video transcoder — batch-convert whole folders at once.

🎵

Audacity

Free, open-source multi-track audio editor and recorder.

🎥

OBS Studio

Free, open-source screen recording and live-streaming software.

📄

Adobe Acrobat Reader

The standard free PDF viewer, with commenting and form filling built in.

📑

Foxit PDF Reader

A fast, free alternative PDF reader with annotation tools built in.

📝

LibreOffice

A free, full-featured alternative to Microsoft Office — docs, sheets and slides.

📖

Obsidian

Free note-taking app (personal use) that links your notes together.

🌐

Mozilla Firefox

A fast, open-source browser built around privacy, not ad targeting.

🧀

Brave

A privacy-first browser with built-in ad and tracker blocking.

📧

Mozilla Thunderbird

Free, open-source email client that handles multiple accounts at once.

🎨

GIMP

Free, open-source image editor — a full Photoshop alternative.

🎨

Paint.NET

Free, lightweight image editor for Windows with layers and effects.

Inkscape

Free, open-source vector graphics editor — an Illustrator alternative.

🔒

Bitwarden

Free, open-source password manager that syncs across your devices.

🛡

Malwarebytes

On-demand malware scanner with a genuinely useful free tier.

💬

Signal

Free, open-source private messaging with end-to-end encryption by default.

📝

Notepad++

Free, lightweight code and text editor with syntax highlighting.

🔍

Everything

Free instant file search for Windows — finds any file the moment you type.

🖥

TeamViewer

Remote desktop access, free for personal, non-commercial use.

📤

FileZilla

Free, open-source FTP client for uploading files to a web server.

💾

Ventoy

Free, open-source tool to make a bootable USB drive from an ISO file.

📹

Zoom

Video calling with a genuinely usable free tier for 1:1 and group calls.

External links — each one opens the software's own official site in a new tab. We don't host or bundle any installers. "Free" tiers/personal-use terms are set by each vendor and can change — always confirm on the official site before installing.

Built for how you actually work

🎓

Students

Compress a thesis PDF for a submission portal, convert lecture slides to images, or merge scanned notes — no software to install on a shared lab computer.

🎨

Freelancers & creators

Resize client images, strip location metadata before posting, or spin up a QR code for a portfolio link — all from a browser tab between calls.

💼

Small business teams

Watermark contracts, merge invoices into one PDF, or convert CSV exports to Excel — without sending financial documents to a third-party server.

💻

Developers & IT

Validate JSON, generate passwords, or batch-convert image formats — the utility-belt tools you reach for a few times a week, always at the same URL.

How File Guru works

No accounts, no upload queues, no wondering where your files went.

1

Choose a tool

Pick from the library above — each one is built for a single job, done well.

2

Drop your file in

Your file loads straight into the browser tab. It's never sent to a server.

3

Download the result

Processing happens on your device, then you download — done in seconds.

File Guru vs. typical online file tools

File Guru
Typical online tools
Your file leaves your device
No*
Yes
Upload / download wait
None
Every time
Works offline once loaded
Yes
No
Account required to start
No
Often

*Except the three AI tools, which send text to Claude to work — always clearly labeled.