PDF Studio

Edit PDFs locally with forms, annotations, signatures, images, redaction, search, and local export.

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PDF Form Filler

Fill PDF forms easily with automatic field detection, text annotations, signatures, and more.

Signature Maker

Create and manage digital signatures.

Image Upscaler

Upscale images 2× locally, with optional AI acceleration and browser fallbacks.

Video Upscaler

Upscale videos 2× locally, using AI and WebGPU when available with a browser fallback.

AI Chat

Chat with local and cloud AI models. Your selected model determines where messages are processed.

3D Model Viewer

Open 3D models locally, inspect geometry, materials and textures, then download the original files.

Audio Converter

Convert MP3 and WAV audio, or extract MP3 audio from MP4, in private browser-only batches with no uploads.

Audio Joiner

Join, trim, reorder, and blend audio tracks privately in your browser, then export one WAV or MP3 file.

Base32 Encoder/Decoder

Encode UTF-8 text to Base32 or decode Base32 values locally.

Base64 Encoder/Decoder

Encode or decode Base64 strings.