Developers

Plain English to cron

Types and schemas from prose

'50 Indian customer records' to CSV

Describe the pattern, get regex plus tests

Question plus schema to query, explained

Decode IRN QR payloads

Initials and identicon avatars, bulk

Visual CSS shapes

HEX, RGB, HSL, OKLCH, CMYK

WCAG AA/AAA plus APCA

Mermaid and flowchart live editor

cubic-bezier playground

CSS and SVG gradients

Layered CSS shadows

Brand color to a 50-950 scale

Also HTML tables

Generate CREATE TABLE and INSERTs

Structural compare of two JSON documents

Format, validate, tree view, precise error pointer

Strip whitespace for payloads

Infer a schema from sample JSON

Validate payloads against a schema

Flatten nested JSON to CSV and back

Config format conversion

Two-way convert

Two-way convert

Line-delimited JSON to JSON/CSV and back

Query JSON interactively

Visual editor that outputs aligned MD

Schema to realistic fake CSV/JSON with Indian locale (names, phones, PAN, GSTIN)

Open and convert Parquet files in-browser

Pretty-print or minify SQL

SQLite/DuckDB in the browser; query uploaded CSVs

Config format transforms

By language and stack

Password-protect text and files locally

Random keys with prefixes and entropy choices

Describe endpoints in plain language, get valid OpenAPI 3.1 YAML

Text and files, URL-safe variant

user:pass to header value

Hash and verify with cost factor

KB/MiB/GB plus transfer-time estimates

camelCase, snake_case, kebab-case, Title Case and more

Permissions to octal and back

Pretty, brandable snippet images

Diagnose cross-origin failures

Build and explain cron, next 10 runs, IST-aware

Beautify and minify CSS

fetch, axios, Python requests, Go, PHP

Create and apply unified patches

Convert commands to compose files

Unix time to human and back, ms/s, timezones

Confirm a download matches its published hash

Format queries, view schemas

Point at an endpoint, introspect, query

Inspect browser network exports

MD5 / SHA-1 / SHA-256 / SHA-512 for text and files

Keyed hashes for webhook signatures

Escape and unescape entities

Beautify and minify HTML

React-ready markup conversion

Two-way conversion

Find zero-width and homoglyph characters

Beautify and minify JavaScript / TypeScript

Go, Rust, Kotlin, Java, Python, C# types

Interfaces from sample JSON

Decode header/payload, verify signatures

Create signed test tokens

Sort, dedupe, reverse, number, shuffle lines

Words, paragraphs, bytes

Describe your tools or paste an OpenAPI spec, get server.json plus a working MCP scaffold

Define JSON responses, get live endpoints

Binary, octal, decimal, hex

Spec in, fake API out

Validate and render specs, try requests

Collections to cURL and scripts

With configurable base size

Multiline regex replace on pasted text

Live highlighting, groups, cheatsheet beside

Postman-lite in a tab; collections stored locally

Key pairs via WebCrypto

URL-safe slugs with Indic transliteration

JSON / SQL / shell / regex escaping

JSX/TSX output with props

Line, word and character diff with merge view

2FA codes from a secret, fully client-side

Modern sortable ID formats

Codepoints, names, normalization

Percent-encoding both ways

v4/v7, bulk, multiple formats

Temporary URL that captures callbacks

Connect, send, log frames

Pretty-print and validate XML

Format and validate, k8s-friendly

Sheets to JSON, headers become keys

Pull plain text out

Paste HTML or a URL, get a pixel-accurate PDF

Compile LaTeX fully in the browser

Two-way convert with live preview

Styled PDF from Markdown

MD to DOCX, pandoc-style

DOCX to clean HTML or Markdown

Content-Security-Policy generator and analyzer

UTF-8, UTF-16, ISO; fix mojibake and broken rupee symbols

Detect the real type from bytes

Inspect binary files

alg=none, weak keys, expiry checks

CRLF to LF and back

Share a password that self-destructs after reading

Encrypt, decrypt, sign with OpenPGP.js

Open suspicious HTML attachments safely

Paste code or logs, find API keys and tokens

Scan a site's response headers

Lighter autoplaying video

Pixel and structural compare

Data URLs for embedding

Dummy images and avatars by size

Frames, backgrounds, shadows for social

SVGO in the browser

Export at any resolution

Searchable character reference

Service to port lookup

ISO 3166 plus dialing codes

ISO 4217 with symbols

Common workflows and fixes

Searchable with copy buttons

Every code explained with examples

Press a key, see event.key and event.code

Everyday ops reference

With live preview

Extension to content-type lookup

Patterns organized by task

Joins, windows, dates

IANA zones with current offsets

Subnets, ranges, masks

Paste PEM, read every detail

A, AAAA, MX, TXT, NS, CNAME via DNS-over-HTTPS

Every size plus manifest from one image

Response headers with a security grade

Organization, FAQ, Article, LocalBusiness schema

Title, description, OG, Twitter boilerplate

Google SERP plus WhatsApp / LinkedIn / X card preview

Follow 301/302 chains hop by hop

Parse rules, test URLs against them

Expiry, chain, SANs for any domain

Decompose and rebuild URLs, edit query params

Browser, OS, device from a UA string

IP, ASN, rough location

Domain registration data