Every tool, one click away.
15 developer tools and counting. Each one does exactly one job, instantly, in your browser. Nothing is uploaded anywhere. Press ⌘K to search.
JSON Formatter
Paste ugly JSON, get clean, validated, color-coded output.
→open toolConverterBase64 Encode / Decode
Text and file conversion, both directions, instantly.
→open toolGeneratorUUID / GUID Generator
Bulk-generate v4 UUIDs in any format you need.
→open toolNew · AIAI Token Cost Calculator
Estimate spend across Claude, GPT, and Gemini before you build.
→open toolCompareText Diff Checker
Side-by-side diff for code, config, or plain text.
→open toolNew · AIAI Disclosure Snippet
Generate compliant "AI-generated content" labels for your site.
→open toolDecoderJWT Decoder
Decode a JSON Web Token's header and payload, no secret needed.
→open toolGeneratorHash Generator
MD5, SHA-1, SHA-256, SHA-512 checksums from any text.
→open toolConverterURL Encode / Decode
Percent-encode text for URLs, or decode it back.
→open toolConverterUnix Timestamp Converter
Convert between Unix time and human dates, both ways.
→open toolTextCase Converter
camelCase, snake_case, kebab-case, Title Case, and more.
→open toolConverterColor Converter
Convert colors between HEX, RGB, and HSL with a live preview.
→open toolNew · AIAI Token Counter
Count real tokens for GPT prompts, right in your browser.
→open toolNew · AILLM Model Comparison
Compare context windows, pricing, and modalities across models.
→open toolNew · AIAI Prompt Builder
Compose a structured, best-practice prompt from clear sections.
→open toolRequest a tool
Tell us what to build next. It goes straight on the list.