20 Specialised Offline Tools
Each tool gets its own page with how-to, FAQ, and a hardware-aware breakdown. Everything runs on your own machine — no upload, no API key, no per-conversion fee.
AI tools 4 tools
Local AI models for transcription, image cleanup, key detection.
Transcribe Audio to Text — Offline, 99 Languages
Convert speech to text on your own computer with Whisper
Remove Image Backgrounds — Offline, No Upload
Erase backgrounds from photos on your own machine with U2Net AI
AI Image Upscaling — Offline, 2× / 3× / 4×
Upscale photos and anime art 2×, 3× or 4× with Real-ESRGAN AI — entirely offline
Detect Song Key + BPM — Offline
Find the musical key and beats-per-minute of any audio file on your own computer
Audio production 5 tools
Restoration, mixing, splitting, pitch/tempo, loudness analysis.
Restore Old Cassette + Vinyl Audio Recordings
Clean up old cassette tapes, vinyl rips, and field recordings on your own machine
Mix Multiple Audio Files With Crossfades
Drag multiple audio files into a playlist, set per-track fade-in and fade-out, get automatic crossfades
Split Audio Files by Silence
Split a single audio file into individual tracks at every silent gap
Change Audio Pitch + Tempo — Independently or Together
Shift pitch in semitones and change tempo independently
EBU R128 Audio Loudness Analyzer
Full EBU R128 loudness analysis: integrated LUFS, loudness range, true peak, dynamic range, mono compatibility, stereo correlat…
PDF & documents 4 tools
OCR, DOCX conversion, table extraction, page operations.
OCR Scanned PDFs — Offline, 100+ Languages
Turn scanned PDF documents into searchable, copy-pasteable text on your own machine
Convert PDF to DOCX — Offline, Editable Output
Convert PDF files to editable Microsoft Word DOCX on your own machine
Extract PDF Tables to CSV — Offline
Pull tables out of PDF documents and save them as CSV files for spreadsheet or pandas processing
Extract, Split, and Merge PDF Pages — Offline
Pull specific pages out of a PDF, split a PDF into multiple files, or merge several PDFs into one
Privacy & batch 3 tools
Metadata stripping, parallel batch jobs, bulk file rename.
Strip Image Metadata (EXIF, GPS, IPTC, XMP)
Remove EXIF / IPTC / XMP / GPS metadata from photos before sharing
Batch File Conversion — 200+ Formats, Fully Offline
Convert hundreds of files at once between 200+ formats — images, documents, audio, video, archives
Bulk Rename Files — 12 Modes with Preview + Undo
Rename hundreds of files at once with 12 modes (replace, append, prepend, numbering, regex, case change, …)
Specialty 4 tools
URL audio download, file encryption, QR codes, secure delete.
Download Audio from URL — Best Quality MP3
Download audio from 1800+ video and audio platforms via yt-dlp
Encrypt Files with AES-GCM — Password-Protected
Encrypt any file with AES-256-GCM and a password
Generate QR Codes — WiFi, vCard, Email, Geo, Any Text
Generate QR codes for any text, plus dedicated templates for WiFi credentials, vCard contacts, email links, and geographic coor…
Secure File Deletion — Configurable Overwrite Passes
Permanently delete files with configurable overwrite passes (1 / 3 / 7 / 35-pass Gutmann)