Free forever · No signup · Runs in your browser

OTLOpen Tools Library

Popular About Contact

Home / All Tools / Design & Color Tools

Design & Color Tools

Color pickers, palette generators, and quick design utilities.

Filters

Search

Category

All Categories9PDF Tools9Image Tools3Video ToolsSoonFile Converters4Text & Writing ToolsSoonDeveloper ToolsSoonCalculators & FinanceSoonSEO ToolsSoonSecurity & Privacy1DownloadersSoonAI ToolsSoonDesign & Color ToolsSoon

Showing 0 of 9 tools

Design & Color Tools are in development

We're building this category out next. In the meantime, check out our fully working PDF tools.

Browse PDF Tools

OTLOpen Tools Library

A free, one-stop library of browser-based tools — PDF today, with image, developer, and everyday utilities on the way. Every tool runs locally on your device: no signup, no uploads, no cost, now or ever.

Categories

PDF Tools
Image Tools
Video Tools
File Converters
Text & Writing Tools
Developer Tools
View all 12 →

Popular Tools

Merge PDF
Split PDF
Compress PDF
PDF to Word Converter
JPG to PDF Converter
Image to PDF Converter
PDF to Image Converter
Online PDF Editor
Sign PDF
View all PDF tools →

Company

About
Contact

Legal

Privacy Policy
Terms of Service
Cookie Policy
Sitemap
Request a Tool

Open Tools Library is a free online tools website offering browser-based PDF tools — merge PDF, split PDF, and compress PDF — with image tools, developer tools, calculators, and more categories launching soon. No account, no installation, and no file ever leaves your device: everything runs client-side in your browser using open-source libraries.

© 2026 Open Tools Library. All processing happens in your browser — your files are never uploaded.

Privacy Terms Sitemap