Complete guide to using 559 free online tools. Learn about developer tools, text processors, file converters, and data generators with zero signup for most everyday tasks and practical export options.
Last updated: July 29, 2026
Browse tools across 4 categories: Developer (142 tools for JSON, Base64, regex, hashing), Text (59 processors for formatting, diff, word count), Converter (235 tools for file format, unit, color, and data conversion), and Generator (123 tools for passwords, UUIDs, QR codes, lorem ipsum). Search directly on the Tools page and combine the query with its filters, or use Global Search for cross-site discovery.
Paste text, type directly, drag and drop files, or choose files from your device. Use the smallest safe sample for sensitive tasks and review outputs before sharing.
View your results in real time as you type. Copy to clipboard with one click, download in multiple formats, or share the tool with colleagues using its direct URL. Chain multiple tools together using the Workflow Builder at /workflow for complex multi-step operations.
Akousa offers 559 free online tools organized into 4 categories: Developer (142 tools for JSON, Base64, regex, hashing), Text (59 processors for formatting and analysis), Converter (235 tools for file format, unit, color, and data conversion), and Generator (123 tools for passwords, UUIDs, QR codes, and lorem ipsum).
The tools are designed for fast, low-friction workflows. No signup is required for most everyday tasks, and the Workflow Builder can chain tools into multi-step pipelines.
Developer: 142 tools for JSON formatting, Base64 encoding, regex testing, hashing, JWT decoding, and more coding utilities
Text: 59 processors for text formatting, diff comparison, word counting, case conversion, and content analysis
Converter: 235 tools for converting between file formats, units, colors, currencies, and data types
Generator: 123 tools for generating passwords, UUIDs, QR codes, lorem ipsum, mock data, and more
Instant Processing
Many tools update results quickly as you type so you can iterate without waiting.
Export & Download
Copy results to clipboard or download in multiple formats with a single click
Mobile Ready
Fully responsive design works perfectly on smartphones, tablets, and desktop
Keyboard Shortcuts
Use Global Search from the header to find any tool instantly, plus tool-specific shortcuts for power users
Use privacy-conscious habits: avoid real secrets, use reduced samples for sensitive content, and review outputs before copying, downloading, or sharing them.
Games Documentation
Play 194 free browser games with achievements and multiplayer
Developer API Reference
Access tools programmatically via the Developer API
Embed Widgets Documentation
Embed tools on your website with customizable iframes
Workflow Builder Documentation
Chain tools into automated multi-step pipelines
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