All Tools

Binary, hex, octal, dec

Encode & decode

Encode & decode

camelCase, snake_case, etc.

Parse PEM chains: SAN, validity, fingerprint

40+ languages

Hex, RGB, HSL, eyedropper

Parse & explain cron

Table view & export

fetch / axios

Diff two curl commands

Inspect & send curl in browser

Unified encode/decode

Visual flow diagrams

Format & validate GraphQL

Compress & decompress

MD5, SHA-256, HMAC, Bcrypt

Encode & decode

Encode & decode

Live render

1xx–5xx reference

Image → data URL / base64

Convert both ways

Convert both ways

Compare two JSONs

Escape & unescape

Pretty-print & validate

Validate JSON against schema

Decode tokens

Create & sign JWT tokens

K-sortable base62 IDs

Weights + KV cache memory estimate

Pretty-print SSE / NDJSON LLM streams

Placeholder paragraphs

Preview with TOC

Diagrams & charts

JS, CSS, HTML, XML, JSON, GraphQL, SQL, YAML

Browse OpenAPI / Swagger ops, copy curl

Random, passphrase, PIN

Bytes to PDF

Generate & scan

Test patterns

URL-friendly slugs

Format & beautify SQL

Compare two texts side-by-side or unified

Plain text editor

Count prompt tokens vs context window

Count tokens + illustrative API cost

Prefill vs decode latency

Format & validate TOML

Lexicographic sortable IDs

Encode & decode

Unix ↔ ISO

Parse & encode

Short links, custom alias

Generate & validate UUIDs

Image tokens for OpenAI, Claude, Gemini

Format, validate, minify XML

Compare two YAML files

Pretty-print, validate, minify

Parse check with line hints