Dzzz

Developer

15 tools

Tools for working with language models and structured text: count tokens and cost per model, build and lint a prompt, turn sample JSON into a schema or tool definition, clean model output, and copy Markdown as rich text. Everything runs on your device; nothing you paste is sent anywhere.

Token counter

Tokens and cost per model — and why Arabic costs more.

  • Offline
  • New
  • ~3 MB
Prompt builder

Write a prompt in parts, get it linted and exported.

  • Offline
  • New
JSON to schema

Sample JSON in, schema and tool definitions out.

  • Offline
  • New
Output cleaner

Strip fences, fix broken JSON, pull tables to CSV.

  • Offline
  • New
Prompt diff

Two prompts in, every changed word out — with the token delta per model.

  • Offline
  • New
Regex tester

Pattern, flags, test text — matches, groups and export for JS, Python, Go.

  • Offline
  • New
JSON tools

Format, minify, sort keys, query a path, convert to YAML or TOML.

  • Offline
  • New
Text statistics

Reading level, rhythm, filler phrases — and the hidden characters you can't see.

  • Offline
  • New
Unicode inspector

Normalise, strip invisibles and tashkeel, fix digits — see every code point.

  • Offline
  • New
Chunker

Token-sized chunks with overlap, Arabic sentence-aware, JSONL out.

  • Offline
  • New
Encode & hash

Base64, URL, hex, SHA digests and JWT decoding — offline.

  • Offline
  • New
Contrast checker

WCAG and APCA for colour pairs — or a palette against both Dzzz themes.

  • Offline
  • New
cURL converter

Paste curl, get fetch, Node or Python — secrets masked by default.

  • Offline
  • New