Privacy-focused browser tools for developers and creators. All processing happens locally - no uploads required.
Document • PDF Tools
Compress PDF files locally without uploading. Privacy-focused and fast.
Data • Data Tools
Convert between JSON and CSV formats with field mapping and sorting capabilities.
Media • Audio/Video
Extract audio tracks from video files and generate thumbnails using WebCodecs.
Developer • AI Tools
Count tokens for GPT models and calculate API costs with tiktoken implementation.
Developer • API Tools
Generate API client code from OpenAPI/Swagger specs - supports multiple languages
Image • Image Tools
Compress PNG, JPG, and WebP images with batch processing and EXIF removal.
Visit our dedicated tools site for the complete collection, including OpenAPI, PDF, JSON/CSV, image, regex, QR, and token utilities.
All tools run entirely in your browser. Your files never leave your device. No uploads, no tracking, no data collection.