Displays and allows editing of standard PDF metadata fields: title, author, subject, keywords, and producer. Everything runs locally in your browser — nothing is uploaded.
Converts standard PDF files to PDF/A archival format with proper metadata, embedded fonts, and color profiles. Everything runs locally in your browser — nothing is uploaded.
Reduces PDF file size by compressing embedded images, removing redundant metadata, and optimizing object streams. Three compression tiers let you choose between maximum size reduction and high-quality preservation. Handles PDFs up to 50MB.
Full-featured PDF editor that runs entirely in your browser — merge, split, fill forms, rotate pages, add/remove passwords, and edit metadata. Your files never leave your device — 100% private.
Decode and inspect JWT tokens — view header, payload, expiration, issuer, subject, and other standard claims.
Calculate standard deviation, variance, and mean from a list of numbers. Statistical analysis for data science and mathematics. Everything runs locally in your browser — nothing is uploaded.
PDF Metadata Editor lets you displays and allows editing of standard PDF metadata fields: title, author, subject, keywords, and producer. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Displays and allows editing of standard PDF metadata fields: title, author, subject, keywords, and producer. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Upload a file from your device. Drag and drop or use the file picker to select your document.
Yes. After the initial page load, PDF Metadata Editor runs entirely on your device with no internet connection needed. All processing is done locally.
Displays and allows editing of standard PDF metadata fields: title, author, subject, keywords, and producer. Everything runs locally in your browser — nothing is uploaded. All processing runs locally in your browser — no files are uploaded to any server.
Yes. Your PDFs never leave your device. All operations happen in-browser using pdf-lib or similar local libraries.
Standard PDF files (versions 1.0–2.0). Encrypted or password-protected files may need to be unlocked first.
No hard limits, but very large PDFs (500+ pages or 100MB+) may process slower on low-memory devices.
PDF Info & Analysis
View document metadata, page dimensions, extract all text content, and export structured data as JSON from any PDF. Essential for document auditing and compliance.
PDF to PDF/A
Converts standard PDF files to PDF/A archival format with proper metadata, embedded fonts, and color profiles. Everything runs locally in your browser — nothing is uploaded.