100+ Free Tools. Zero Uploads.
122+ tools that never upload your files
All Tools
Video Metadata Viewer & RemoverView hidden metadata in videos, then strip GPS, device info, and personal data.
Green Screen RemoverRemove green/blue screen backgrounds with chroma key technology.
Video Picture-in-PictureOverlay webcam or reaction video on top of main video. 100% private.
Video Side-by-SideCombine two videos side by side or stacked for comparisons. No upload.
Compress VideoReduce video size for WhatsApp, email, and cloud storage limits.
Burn SubtitlesHardcode SRT/VTT subtitles permanently into video for any player.
Video ConverterFormat videos for YouTube, Instagram, TikTok, and PowerPoint.
Video TrimCut videos to highlight the best moments for sharing.
Video Aspect RatioConvert videos for TikTok, Reels, YouTube Shorts with letterboxing or crop.
Add Text to VideoOverlay titles, captions, and watermarks with fade animations.
Video WatermarkAdd your brand logo or social handle to video content.
Video Thumbnail GeneratorExtract the best frames from videos for YouTube thumbnails. No upload.
Extract AudioRip audio from videos for podcasts, music, or sound effects.
Add Audio to VideoAdd background music or voiceover to videos. No editing software needed.
Remove AudioMute videos for presentations or remove unwanted audio tracks.
Video Volume BoostMake videos louder — up to 4x volume boost. 100% private, no upload.
Audio to VideoCreate videos from audio with cover image or waveform visualization.
Merge VideosCombine multiple video clips into one seamless file.
Split Video into ClipsMark segments and export multiple clips from one video.
Crop VideoRemove black bars, reframe video, or adjust to any aspect ratio.
Video ResizeResize videos for Instagram Reels, TikTok, YouTube Shorts.
Rotate VideoRotate video 90°, 180° or flip horizontally/vertically.
Video to GIFCreate animated GIFs for social media and presentations.
Video Fade EffectAdd professional fade in/out transitions to your videos.
Reverse VideoReverse video online free — play backwards for rewind effects. No upload, 100% private.
Convert AudioConvert between MP3, WAV, AAC for any device or platform.
Audio TrimmerCreate ringtones or cut podcast segments. Precision editing.
Compress PDFReduce PDF file size for email attachments and cloud storage. 100% private.
Merge PDFsCombine contracts, reports, and proposals into one professional PDF. No upload.
Split PDFExtract specific pages from reports and documents. 100% on-device.
Create PDFBuild professional PDF documents from scratch. 100% local processing.
PDF to TextExtract searchable text from scanned documents and contracts. 100% private.
PDF to MarkdownConvert documentation to developer-friendly Markdown format. No upload.
PDF to WordEdit contracts and reports by converting PDF to editable Word format.
PDF to ImagesConvert presentations and documents to shareable images. Works offline.
Unlock PDFRemove password protection from your own documents. 100% private.
Rotate PDFFix scanned document orientation. 90°, 180°, or 270° rotation.
eSign PDFSign contracts, agreements, and forms electronically. Your signature stays private.
Add Page NumbersAdd professional page numbering to reports and manuscripts.
Compress ImageOptimize photos for websites and social media. Fast and private.
Resize ImageResize photos for print, web, or social media profiles. No cloud.
Crop ImageCrop photos for profile pictures and thumbnails. Works offline.
Image ConverterConvert between PNG, JPG, and WebP for any platform. 100% private.
HEIC to JPGConvert iPhone photos to universal JPG format for sharing.
Remove BackgroundAI-powered background removal for product photos and portraits.
Image UpscalerEnlarge photos for printing without losing quality. AI-enhanced.
EXIF StripperRemove GPS location and camera data before sharing photos online.
Images to PDFCombine receipts, scans, and photos into one PDF document.
SVG OptimizerOptimize vector graphics for faster website loading times.
Favicon GeneratorCreate website favicons and app icons for all platforms.
Image WatermarkAdd copyright watermarks to protect your photography and artwork.
Color Palette ExtractorExtract brand colors from logos and design inspiration images.
Image Flip/MirrorMirror selfies and flip images for design layouts. Works offline.
Excel ViewerOpen spreadsheets without Microsoft Office subscription.
Markdown to PDFConvert technical documentation to professional PDF format.
HTML to PDFSave web content and reports as PDF documents.
LaTeX to PDFCompile LaTeX documents to PDF with dual modes: Quick (instant preview) or Full (real TeX with amsmath, TikZ, BibTeX). 100% private, works offline.
Translate DocumentTranslate Word documents while preserving formatting. AI-powered.
iCal/ICS ViewerPreview calendar event files before importing. No upload.
Markdown PreviewWrite and preview technical documentation in real-time.
EPUB ViewerRead ebooks in your browser without installing apps.
EPUB to PDFConvert ebooks to PDF for printing or annotation.
Word CounterCount words for essays, articles, and SEO content limits.
Change CaseConvert text to Title Case, UPPERCASE, or lowercase instantly.
JSON FormatterFormat and validate JSON for API development and debugging.
Base64 ToolEncode and decode Base64 for web development and APIs.
URL EncoderEncode URLs for web development and marketing campaigns.
Text CompareCompare code versions or contract revisions side-by-side.
CSV ↔ JSONConvert spreadsheet data for APIs and database imports.
Regex TesterTest and debug regular expressions for data validation.
Lorem Ipsum GeneratorGenerate placeholder text for website mockups and designs.
QR GeneratorCreate QR codes for business cards, menus, and marketing.
QR ScannerScan QR codes instantly using your device camera.
Barcode ToolGenerate and scan retail barcodes for inventory and products.
Color PickerPick colors for web design and get HEX, RGB, HSL values.
UUID GeneratorGenerate unique identifiers for databases and API development.
Screen RulerMeasure UI elements in pixels, inches, or centimeters.
Unix TimestampConvert timestamps for debugging and log analysis.
Microscope CalibrationCalibrate microscope camera using phone screen. Measure specimens in micrometers.
Password GeneratorGenerate secure passwords for banking and business accounts.
File EncryptionProtect confidential files with military-grade AES-256 encryption.
Hash GeneratorGenerate checksums to verify file integrity and downloads.
JWT DecoderJWT decode online — inspect tokens for API debugging. No upload, private JWT decoder.
OCR (Text Recognition)Digitize receipts, business cards, and scanned documents with AI.
Translate TextTranslate business emails and documents in 200+ languages. AI-powered.
Translate PDFTranslate contracts and manuals while preserving layout. AI-powered.
Speech to TextTranscribe meetings, interviews, and voice memos with Whisper AI.
Generate SubtitlesCreate SRT/VTT subtitles from video using Whisper AI. 100% on-device.
ZIP ToolCompress files for email or extract downloaded archives.
Word to PDFConvert Word documents to PDF format for sharing.
Screen RecorderRecord your screen for tutorials and presentations.
YAML ↔ JSONConvert between YAML and JSON configuration formats.
Photo CollageCreate beautiful photo collages for social media.
Word Document ViewerOpen and view Word documents without Microsoft Office.
Video SpeedSpeed up or slow down videos for time-lapse or slow motion effects.
Invoice GeneratorCreate professional invoices for clients and contractors.
XML FormatterFormat and validate XML for development and debugging.
Merge AudioCombine multiple audio files into one continuous track.
TOTP GeneratorGenerate time-based one-time passwords for 2FA.
Video to ImagesExtract frames for thumbnails, storyboards, or animation.
GIF to VideoConvert animated GIFs to MP4 for social media compatibility.
SQL FormatterFormat database queries for code reviews and documentation.
Color Contrast CheckerEnsure WCAG accessibility compliance for web design.
Cron ExplainerUnderstand scheduled job expressions for server automation.
Audio RecorderVoice recorder online — record voice memos, interviews privately. No app needed, no upload.
Password StrengthAudit password security before using for important accounts.
EXIF ViewerInspect photo metadata including location, camera, and date.
HTML MinifierOptimize HTML for faster website performance. 100% local.
CSS MinifierCompress stylesheets for faster page load times.
Image to ASCIIConvert photos to retro text art for creative projects.
Video Loop CreatorCreate seamless loops for presentations and digital signage.
Audio Speed & PitchAdjust audio tempo for learning, transcription, or remixing.
vCard ViewerPreview and edit digital business card contact files.
Watermark BlurBlur faces, plates, or sensitive areas in photos.
Certificate GeneratorCreate professional certificates for training and events.
API Request BuilderTest REST APIs during development and debugging.
AI Photo EnhancerRestore old photos and enhance image quality with AI.
PDF Form FillerComplete tax forms, applications, and official documents.
Passport Photo CreatorCreate visa and passport photos meeting official requirements.
Business Card ScannerDigitize business cards to contacts after networking events.
Text to SpeechListen to articles and documents read aloud for accessibility.
Timesheet CalculatorTrack billable hours for freelancers and contractors.
122 tools available
Learn & Understand
All ArticlesVideo
How to Add Subtitles to Videos Without Uploading
Learn how AI-powered Whisper runs in your browser to generate accurate subtitles. Keep your video content private while getting professional captions.
8 min readVideoVideo Compression Guide: Balancing Quality and File Size
Understand how video codecs work and how to compress videos for different platforms. Practical guide to CRF, bitrate, and resolution choices.
7 min readTechnologyWhy Your Files Never Leave: Private Toolbox Architecture Explained
Deep dive into how Private Toolbox processes PDFs, images, and videos without any server uploads.
10 min read