Guides & Tutorials
Learn how to master file management, markdown editing, data processing, and more. Expert guides for busy professionals.
📝 Markdown & Documents
Master markdown editing, document conversion, and presentation creation
Best Markdown Editors Guide
Compare top markdown editors and find the best one for your workflow
Local Markdown Editors
Privacy-focused markdown editors that work completely offline
Markdown to PDF
Convert markdown files to professionally styled PDF documents
Markdown to DOCX Guide
Export markdown to Microsoft Word format with proper formatting
Create Presentations from Markdown
Turn markdown files into beautiful presentations instantly
Free Microsoft Office Alternatives
Seven free ways to open, edit, and save Word, Excel, and PowerPoint files offline — full open-source suites and a local-first workspace that also converts formats
Read an EPUB on Mac & Windows
Open .epub ebooks with themes, font sizing, and search — no Kindle or Calibre needed
Word Reading Mode (Distraction-Free)
Read DOCX documents in sepia or dark themes with a two-page spread
Open a Word Document on Mac
View .docx files with full formatting, reading themes, and search — no Microsoft Word
Free PDF Viewer for Windows
Read PDFs with dark mode, two-page view, search, and annotation — no Adobe
📊 Data & Files
Handle large datasets, convert formats, and optimize file management
CSV, Excel & Parquet Guide
Master data file formats and choose the right one for your needs
Convert Excel to Parquet
Process large Excel files 10x faster with Parquet format
CSV to JSON Converter Guide
Convert CSV to JSON offline — output shapes, streaming, and privacy explained
Excel to CSV Converter Guide
Convert .xlsx, .xls, .xlsb, and .ods to CSV offline — multi-sheet, encoding, and date pitfalls explained
CSV to Excel Converter Guide
Convert .csv to .xlsx offline — Excel 1M-row cap, leading zeros, and multi-sheet rollup pitfalls explained
Data Cleaning for Beginners
Learn to clean and prepare data files for analysis
Work with Large Files
Handle massive datasets without crashing your computer
File Upload Size Limits by Platform
GitHub, Gmail, Discord, WhatsApp & more — and how to compress to fit
GitHub File Size Limit
Every GitHub upload limit and how to compress a file to fit
Windows 11 File Explorer 2026 Update
What's new in Windows 11 File Explorer and better alternatives
Best Finder Alternatives for Mac
Seven Mac file managers compared — dual-pane power tools, free options, and a local-first browser with built-in convert and compress tools
Best File Explorer Alternatives for Windows 11
Seven Windows 11 file managers compared — dual-pane power tools, free open-source options, and a local-first browser with built-in convert and compress tools
Spotlight Not Finding Files on Mac
Rebuild the Spotlight index, fix the common causes, and search inside file contents (PDF, DOCX, code) with a live tool that does not depend on the index
Windows Search Not Finding Files
Rebuild the Windows index, fix the search service, stop SearchIndexer high CPU, and search inside file contents (PDF, DOCX, code) with a tool that does not depend on the index
Are Online File Converters Safe?
The FBI-documented risk of free converters, and how to convert PDFs, images, and video locally instead
Best Offline File Converter (No Upload)
Eight offline file converters compared for Mac and Windows — single-purpose champions, all-in-one apps, and a local converter for images, video, documents and data that never uploads
Compress a PDF on Mac and Windows
The exact Mac Preview steps, the honest Windows options (zip-trick myth debunked), and a free offline app that works the same on both
Remove Pages from a PDF on Mac and Windows
The exact Mac Preview steps, the honest Windows options (browser print-to-PDF caveats), password-protected PDFs, and a free offline app that works the same on both
Split a PDF on Mac and Windows
The Mac Preview and Automator paths, the honest Windows browser print-to-PDF caveats, password-protected PDFs, and a free offline app that splits every page, by range, or every N pages
Open a Parquet File (No Code)
View, search, and filter .parquet files without Python or pandas
Open a Large CSV or Excel File
Open files too big for Excel — millions of rows, without crashing
Open a SQLite Database File
Browse tables and rows in a .db / .sqlite file without writing SQL
Transpose a CSV or Excel File
Swap rows and columns to read a wide spreadsheet — no formulas
Freeze or Pin Columns in a CSV
Keep key columns visible while scrolling a wide CSV or spreadsheet
View a Jupyter Notebook (.ipynb)
Read a notebook's code and outputs without installing Jupyter
🎬 Media Optimization
Compress videos and images without sacrificing quality
Video Compression Guide
Reduce video file size by 80% without losing quality
Image Optimization Guide
Compress images for web and email while maintaining quality
How to Open HEIC Files on Windows 11
Install the free Microsoft HEIF extension to view HEIC, convert to JPG offline in bulk, and the free-vs-paid extension confusion cleared up
Device Mockup Generator Guide
Wrap screenshots in MacBook, iPhone, iPad, and browser frames
Code Snapshot Generator Guide
Turn code snippets into polished, shareable PNG images
Gradient Background Generator Guide
Make a beautiful gradient backdrop for any screenshot
Social Media Image Sizes Guide
Pick the exact pixel dimensions every platform expects
Numbered Step Markers Guide
Drop numbered annotations on screenshots for tutorials
Twitter 4-Split Guide
Split a screenshot into a 2x2 grid for the X tap-the-post effect
How to Convert SRT to VTT
Convert SRT subtitles to WebVTT — free in a text editor, or in one click offline. The manual recipe and why it's lossless
How to Extract Audio from Video
Extract audio from MP4, MOV, MKV to MP3, WAV, AAC or FLAC. The format-choice guide, FFmpeg recipe, and why stream-copy is lossless
Compress Audio on Mac and Windows
The realistic Mac Music-app steps, the honest Windows options (zip and lossless myths debunked), a bitrate guide, and a free offline app that batches a whole folder
⚡ Productivity & AI
Work faster with keyboard-first workflows and presentation guides
Keyboard-First File Manager
Every FileHop shortcut — run your whole workflow without the mouse
Vim File Manager
Real Vim keybindings (hjkl, dd, yy) in a GUI file manager
AI Presentation Tools Guide
Compare AI-powered presentation tools and workflows
Create Presentations Faster
Cut presentation creation time from hours to minutes
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