Free Online Tool Categories
Browse 125+ free tools organized by workflow and use case. From AI-powered career tools and PDF utilities to developer formatters and encryption — find exactly what you need.
Career & Productivity
High-intent tools for resumes, outreach, meetings, and daily execution.
12 tools
PDF & Document
Conversion, extraction, compression, and AI workflows around documents.
12 tools
Image & Media
Visual cleanup, enhancement, OCR, and creator-focused image tooling.
12 tools
Video & Audio
Compression, transcription, subtitles, cleanup, and audio conversion.
9 tools
AI Writing & Content
Fast draft generation, rewriting, summarization, and social content tools.
14 tools
Developer
Practical formatting, decoding, debugging, and AI code helper utilities.
12 tools
Data & Utility
Daily-use converters, generators, and quick data cleanup workflows.
11 tools
Encoding & Conversion
Base encoders, URL and HTML escaping, hex inspection, and binary conversion tools.
8 tools
Hashing & Integrity
Digest generation, password hashing, checksums, and integrity-focused workflows.
8 tools
Classical Ciphers
Hands-on encryption demos for classical substitution and transposition ciphers.
8 tools
Key Exchange & Signatures
Interactive workflows for public-key exchange, signing, verification, and key generation.
4 tools
Modern Encryption
Symmetric encryption workflows for protecting text, files, and exchangeable payloads.
3 tools
Compression & Coding
Compression algorithms, size comparison utilities, and educational coding visualizers.
4 tools
AI Learning
Study, interview, roadmap, and explainer tools with an AI education angle.
8 tools