Catal Tools
Private by design

Useful tools without the fuss.

Convert files, work with PDFs, inspect data, and handle everyday developer tasks. No account required for enabled tools.

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Tool categories

PDF tools

PDF tools for private, predictable everyday workflows.

Image tools

Image tools for private, predictable everyday workflows.

Developer tools

Developer tools for private, predictable everyday workflows.

Featured tools

browser

Case converter

Convert text into a clean camel-style identifier locally.

server

Remove image metadata

Strip EXIF and other metadata from a private image copy.

browser

SHA-256 and SHA-512 hash generator

Calculate a one-way checksum locally without uploading text or files.

browser

HTML entity encoder and decoder

Encode HTML-sensitive characters or decode entities without rendering unsafe markup.

server

Compress image

Reduce image file size using an explicit quality setting.

server

Image converter

Convert a supported image to PNG, JPG, or WebP.

server

Crop, rotate, or flip image

Auto-orient and safely transform an image.

browser

Base64 encoder and decoder

Encode or decode Base64 text locally in your browser.