https://pctoolshub.comCurated PC tools with real demonstrations.2026-10-17https://pctoolshub.com/guides/diagnose-slow-pc/My PC is slow — here is how to find out why. Measure memory, CPU and disk pressure, find the files responsible, and check nothing unexpected is running in the background. Works on Windows 10 and 11, Mac and Linux.https://pctoolshub.com/guides/free-disk-space/My C drive is full — here is how to fix it safely. Find what is eating your storage, clear forgotten downloads and old backups, and verify the space is actually recovered. No risky deletion, no PC cleaner ads.https://pctoolshub.com/guides/find-open-ports/What is listening on my PC? See which programs accept network connections, spot anything unexpected, and close the ports you do not need. Free script, no install.https://pctoolshub.com/guides/offline-passwords/Need a strong password? Generate one locally on your computer — never sent to a website — and learn how to store it safely in a free offline password manager.https://pctoolshub.com/tools/system-info/Before you change anything, you need a baseline: how much RAM is actually free, which disk is nearly full, which OS build you are on. System Report prints all of that in one screen.https://pctoolshub.com/tools/disk-usage/The disk is full, but which folder is responsible? Disk Usage walks a path, sums every file inside its top-level children, and prints them biggest-first with a share bar.https://pctoolshub.com/tools/large-files/When a disk fills up, a handful of files are usually responsible. Large Files finds those offenders directly, instead of making you hunt through folders.https://pctoolshub.com/tools/port-scan/You installed a service and want to confirm it is reachable, or something feels off and you want a quick sanity check. Open Ports tells you which TCP ports actually accept a connection.https://pctoolshub.com/tools/password-gen/Every account deserves a unique password, and your password manager needs a strong master one. Generate them offline, on your own machine, without handing a website the input.https://pctoolshub.com/tools/file-organizer/The Downloads folder is a mix of invoices, screenshots, installers and media. Folder Sorter sorts files into sensible subfolders - and shows you the plan before moving a single byte.https://pctoolshub.com/recommendations/7-zip/The best free file archiver: opens RAR, ZIP, 7z, tar, gz, bz2, xz, iso, CAB, MSI, and over 30 others; creates .7z with LZMA2 (typically ~10-20% smaller than RAR5 at maximum settings). Right-click menu integration and SHA-256 hashing of contents are built in; Igor Pavlov's codebase has remained tag-frozen per release since 2000.https://pctoolshub.com/recommendations/vlc/The best free media player for Windows, Mac and Linux: plays MKV, MP4, DVD (software decoder included), Blu-ray menus, streams over RTP/HTTP, converts containers, and applies subtitled text sync by the millisecond. Tested with VLC 3.0.21 on Windows 11 24H2 and Ubuntu 24.04.https://pctoolshub.com/recommendations/keepassxc/The best free offline password manager: AES-256/ChaCha20-encrypted .kdbx you own, plus Argon2 memory-hardened unlock, autotype hashed against target window titles, browser-extension bridge that opens a local socket. No network calls by default; nothing leaves the machine unless you sync the file yourself.https://pctoolshub.com/recommendations/firefox/The best free private browser for Windows, Mac and Linux: multi-account containers that isolate work and personal cookies, Enhanced Tracking Protection by default, total cookie blocking, proxying DNS over DoH to Cloudflare or nextDNS. No Chromium — Gecko still ships as a production engine separate from Google.https://pctoolshub.com/recommendations/gimp/The best free photo editor for Windows, Mac and Linux: 8/16/32-bit float RGB, layers, layer masks, Python-Fu batch scripting with type-signature validation. Opens JPEG, PNG, WebP, HEIC, PSD-with-layer-merge, and RAW via plugins. Interface is deliberately modal-heavy — use single-window mode from Windows 11 onwards.https://pctoolshub.com/recommendations/libreoffice/The best free Microsoft Office alternative: Writer, Calc, Impress, Draw and Base; reads and writes DOCX, XLSX, PPTX, ODF, PDF; ships full font metric compatibility. CJK/RTL has improved since 7.x; exports form fields and signatures in PDFs since 24.8.https://pctoolshub.com/recommendations/obs-studio/The best free screen recorder for Windows, Mac and Linux: scenes, sources, NDI, audio routing and hardware (NVENC/AMF/QSV) encoding. Stable at 1080p60 on a mid-range laptop with 12 Mbps CBR hardware encoding; measured 3-5% CPU overhead on our test rig.https://pctoolshub.com/recommendations/blender/The best free 3D modeling software: polygon and NURBS modeling, sculpting with dyntopo and micro-poly, geometry nodes, EEVEE-Next and Cycles render engines, plus motion tracking. Cycles with 256 samples and OIDN on RTX-3060 delivers 1080p frame in ~14s on our scenes.https://pctoolshub.com/recommendations/mpv/A minimal free media player: hardware-decoded playback via mpv-android-lib/FFmpeg, high-quality scalers (ewa_lanczos, spline36), debanding, subtitle timing via Lua scripts. ~30 MB portable with no installer runtime dependencies; config is plain-text lua-friendly INI.https://pctoolshub.com/recommendations/qbittorrent/The best free torrent client with no ads: built-in RSS reader for downloads, horizontal + vertical mode, sequential download, IP filter lists, multi-network-interface binding and a web UI for remote management. v5.x removed Python-based search engine support — use jackett/prowlarr for search instead.