OFFiler

Combine multiple PDFs, extract specific pages, reduce file sizes, or remove password protection — all without Adobe Acrobat or any desktop software. Perfect for organizing business documents, tax filings, and everyday office paperwork.

Use the Camera Capture tool to photograph documents, receipts, or whiteboards, then chain directly to PDF conversion. No scanner app installation required — and your photos are never saved to the cloud. Great for digitizing receipts, contracts, and meeting notes.

Convert between JPEG, PNG, WebP, GIF, and AVIF formats, resize to exact dimensions, and compress for SNS or email — all in your browser. Safe for confidential images since nothing leaves your device. Ideal for web optimization and attachment size reduction.

Design round stamps, square stamps, date stamps, and personal seals (認印) for free in your browser. Customize font, color, and size, then download as PNG for use in digital documents and PDFs. No stamp-maker software or online store needed.

Extract audio from MP4, MOV, and WebM videos as MP3 or WAV, or save any frame as a PNG image — no video editor required. Useful for pre-processing meeting recordings, creating YouTube thumbnails, or capturing slides from lecture videos.

Check images for embedded EXIF data (GPS location, camera model, timestamp) and QR codes or barcodes before sharing on SNS or in business contexts. Prevents accidental personal-data exposure. All processing happens in your browser — images are never uploaded.

Full-width/half-width conversion, uppercase/lowercase, JSON formatting and validation, Base64 encode/decode, URL encode/decode, hash calculation (MD5, SHA-256, SHA-512), regex replace, and line sort/deduplication — a complete set of everyday text processing tools for developers and writers.