CurioTools
Private temporary processing

File tools that stay out of your way.

Convert, compress, and resize images or work with PDF files through focused tools with clear controls and no application-level file-count limit.

Open Image Tools Open PDF Tools
30-minute retention
Tokenized downloads
Batch queues
Choose an image workflow
Each task has its own dedicated workspace.
Convert ImagesSwitch between PNG, JPG, WEBP, and AVIF Compress ImagesReduce file size with quality control Resize ImagesChoose width, height, and resize mode
Workspaces

Start with the type of file you have.

Image tasks and PDF tasks are separated so the navigation stays simple on mobile and desktop.

Image Tools

Convert formats, compress files, or resize pixel dimensions through separate, purpose-built pages.

PNGJPGWEBPAVIF

PDF Tools

Merge documents, split pages, build PDFs from images, or render PDF pages as image files.

MergeSplitImages to PDF
Popular conversions

Common image format changes.

PNG to WEBPBatch image converter JPG to WEBPBatch image converter WEBP to JPGBatch image converter PNG to JPGBatch image converter JPG to PNGBatch image converter WEBP to PNGBatch image converter PNG to AVIFBatch image converter JPG to AVIFBatch image converter
View all conversions
PDF tools

Four focused PDF workflows.

Merge PDF Files

Add two or more PDFs, arrange their order, and create one document.

Open tool

Split a PDF

Upload one PDF and enter page ranges such as 1-3,5,8.

Open tool

Convert Images to PDF

Queue your images in order and build one downloadable PDF.

Open tool

Convert PDF Pages to Images

Upload a PDF, choose JPG or PNG, and render each page as an image.

Open tool

Exact upload progress

Every queue item uploads separately, so its progress bar can show the real transfer percentage.

Private storage paths

Files live in blocked, random directories and downloads use expiring opaque tokens.

Automatic cleanup

The cron cleaner removes expired assets after the 30-minute retention window.