Audio
Colour
- CSS gradient creator
- material.io colour tool
- Select material colours (can help with initial colour identification)
Emoji 👍
- Emojipedia
- Extensive but not all are supported
- Get Emoji
- All on one page and most are supported widely
- Links to Emojipedia on searches
Files and Binaries
- File hex viewer / editor
- File search
- Format identification
Images
- Free images
- Metadata viewer
- Also has an ELA viewer to help detect modified images
- MD5 / SHA1 / SHA256
Markdown
- Editor
- Local memory
- Supports HTML
- Table generator
PDFs
- Fill out and modify PDFs
- Lots of functionality
References
- HTML character entities
- Vim basics
- I use this to remember how to get out
Syntax Highlighters (for snippets)
When moving code from an IDE to paper for something like an assessment, black text on a white background can be harder to read compared to highlighted words. Highlighting terms and calls can make understanding a snippet a lot easier.
- Basic highlighter
- No style selection
- More advanced highlighter
- Style selection
SQL
- SQLite Viewer
- Breaks on blobs but is clean to use
- SQLite Viewer (doesn't break on blobs)
- Similar to the one above but doesn't break on blobs (not as nice-looking)
- Test small SQL commands (MySQL, Oracle, PostgreSQL, SQLite, MS SQL Server)
- Build a small schema and then execute commands based on the schema creation
- Restricted to internal request character length
Time
- Epoch & Unix Timestamp Conversion Tool
- Timestamp to readable date and date to timestamp
- Supports seconds, milliseconds, microseconds and nanoseconds (if can figure it out)
- Python strftime reference