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Fast Text Format

Fast Text Format Tools

The ultimate collection of lightning-fast utilities to format, convert, and streamline your workflow.

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Code & Formatting

Base64 to File Decoder

Decode Base64 strings or Data URIs back into downloadable files (images, PDFs, documents, audio) with instant live preview.

Code Beautifier & Minifier

Beautify, validate, and minify your JSON, JavaScript, CSS, and HTML code into clean, readable syntax.

Config Converter (TOML / INI / .env / JSON)

Convert configuration files seamlessly between TOML, INI, Java .properties, .env, YAML, and JSON formats with nested key flattening and unflattening.

CSS Formatter & Minifier

Format, beautify, validate, and minify CSS code with custom indentation.

CSS Visual Generators

Visually generate and export CSS code for Box Shadows, Gradients, Flexbox, and Grid layouts.

CSV to JSON/SQL

Convert CSV data to JSON arrays or SQL INSERT statements.

cURL to Fetch

Easily convert cURL commands into JavaScript Fetch API code.

Docker Run to Compose

Convert docker run CLI commands into clean, production-ready docker-compose.yml configuration files.

GraphQL Explorer & Formatter

Beautify, minify, validate, and inspect GraphQL queries, mutations, subscriptions, and SDL schemas with AST operation & variable analysis.

HTML & XML Formatter

Beautify, format, and minify HTML and XML code with customizable indentation and syntax cleanup.

HTML to JSX

Client-side tool to transform HTML tags/attributes into React-compatible JSX.

HTML to Tailwind CSS

Convert standard inline styles and CSS declarations into Tailwind CSS utility classes with live preview.

JS Obfuscator

Transform readable JavaScript code into unreadable, minified code to protect logic.

JSON Schema Validator

Validate JSON payloads against JSON Schema specifications (Draft-07, 2020-12, Draft-04) with real-time error paths, keyword explanations, and line feedback.

JSON Stringify & Parse (.env Ready)

One-click minify and stringify multi-line JSON objects into escaped strings ready for .env files, CLI args, or code literals, or parse escaped strings back into formatted JSON.

JSON to Code

Convert JSON objects into typed models for various languages.

JSON Tree Viewer

Visually inspect, expand, collapse, search, and filter complex JSON payloads with path inspection.

JSONPath & JQ Evaluator

Query, filter, extract, and transform JSON payloads in real-time using standard JSONPath (RFC 9535) or JQ-style expressions with table and visual path views.

Markdown Editor & Previewer

Write, edit, and preview Markdown in real-time with live HTML preview, syntax styling, and HTML export.

OpenAPI / Swagger Viewer & Validator

Client-side interactive explorer and validator for OpenAPI 3.0/3.1 and Swagger 2.0 specifications in YAML or JSON format.

Semantic JSON Diff

Compare two JSON documents semantically, ignoring key ordering, formatting, and whitespace differences, with visual change highlighting and RFC 6902 JSON Patch export.

Source Map Viewer

Client-side tool to upload a .map file and de-minify stack traces.

SQL Formatter

Format, beautify, and minify SQL queries across multiple SQL dialects.

String Escape & Unescape

Safely escape (and unescape) quotes, backslashes, and newlines for use in JSON strings, SQL queries, HTML, and Java/C#.

SVG Optimizer

Minify and clean raw SVG code.

SVG to PNG/WEBP

Client-side tool utilizing an HTML canvas to rasterize SVG code or files into downloadable images.

XML Utilities

Format and minify XML strings.

YAML <-> JSON

Instantly convert between YAML and JSON.

Data & Crypto

Generators & Utilities

.gitignore Generator

Generate comprehensive, community-tested .gitignore files for any combination of programming languages, frameworks, operating systems, and IDEs.

ASCII Art Generator

Convert text into stylish ASCII art banners, figlet typography, and decorative monospace text.

Barcode Generator

Client-side tool using a canvas to generate linear barcodes (UPC, EAN, Code39) from text.

CHMOD Permissions Calculator

Calculate, convert, and inspect Linux file permissions with visual octal and symbolic modes.

Color Contrast

Check WCAG color contrast accessibility.

Color Converter & Picker

Pick colors and convert between HEX, RGB, HSL, HSV, and CMYK formats with live preview and palette tools.

Cron Expression Builder & Decoder

Build, edit, and decode cron schedules into human-readable descriptions with upcoming execution dates.

EXIF Data Viewer & Stripper

View, inspect, and strip EXIF, camera, and GPS location metadata from JPEG, PNG, and WebP images locally for complete privacy.

Favicon Generator

Convert standard images into universally compatible .ico files and generate standard web app icon sizes.

Image Base64

Convert image files into Base64 Data URI strings and CSS background-image properties.

Image Color Palette Extractor

Drop any image to extract its dominant HEX, RGB, and HSL color palette client-side, with interactive image eyedropper and one-click CSS variables, Tailwind, and JSON export.

Image Compressor

Compress and optimize JPEG, PNG, WEBP, and AVIF images locally in your browser.

LLM Token Counter

Calculate token usage, estimate API costs, and inspect color-coded BPE token chunks across OpenAI, Anthropic, Gemini, and Llama models.

Lorem Ipsum Generator

Generate customized dummy placeholder text by paragraphs, sentences, or words for mockups and designs.

Markdown Table Generator

A visual grid editor that allows users to easily add rows/columns and instantly outputs perfectly formatted Markdown table syntax.

Meta Tag & Open Graph Generator

Generate and visually preview SEO meta tags, Twitter Cards, and Facebook Open Graph tags.

Mock Data Generator

Generate hundreds of rows of fake test data (names, emails, addresses, dates, credit cards) and export it as CSV, JSON, or SQL INSERT statements for database testing.

Password Generator

Create strong, secure passwords and passphrases using customizable cryptographic algorithms.

PDF Toolkit

Merge, split, extract, rotate, and reorder PDF pages 100% locally in your browser.

QR Code Generator

Create scalable, customizable, and scannable QR codes from text or URLs with instant download.

Regex Tester & Builder

Test regular expressions with real-time match & capture group highlighting, syntax explanation breakdown, and multi-string test modes.

Robots.txt Generator

Build valid robots.txt rules, crawler directives, and block AI scrapers.

ULID Generator & Decoder

Generate and inspect Universally Unique Lexicographically Sortable Identifiers (ULIDs) with millisecond precision, monotonic ordering, and timestamp analysis.

UUID / GUID Generator

Instantly generate universally unique identifiers (UUID/GUID v1, v4, v7) in bulk with custom formatting.

XML Sitemap Generator

Construct valid XML sitemaps with custom URLs, change frequencies, and priorities for search engines.

Finance & Units

Networking

Database Connection String Parser & Builder

Parse and construct database URIs for PostgreSQL, MySQL, MongoDB, Redis, SQLite, and SQL Server with query param tuning and .env export.

Ready

Connection Credentials & Target

Default: 5432

Query Options & Parameters

No additional query parameters.

Quick Exports & Safe URI

How to Use

Paste any connection URI or ADO.NET connection string into the URI box, or select a database engine to configure parameters interactively. Changes in the URI immediately populate the form fields, while edits to form fields re-encode and assemble the URI with proper percent-encoding for usernames and passwords. Export the resulting configuration as sanitized strings, .env templates, or client code snippets for Node.js, Python, and Go.

Frequently Asked Questions

What is the anatomy of a database connection URI?

Standardized by RFC 3986, a database connection URI consists of scheme://[username[:password]@]host[:port][/database][?options]. The scheme specifies the driver protocol (e.g. postgresql://, mysql://, mongodb+srv://), followed by user credentials, host domain or IP, TCP port, target database name, and URL-encoded query options such as connection pooling limits or SSL modes.

Why must database passwords with special characters be percent-encoded?

Characters such as @, :, /, ?, #, and % serve as structural delimiters in URI syntax. For example, @ separates credentials from hostnames, and : separates usernames from passwords. If your password contains P@ss#word!, unencoded parsing treats the @ as the end of credentials, causing authentication or host resolution failure. Encoding them (e.g. P%40ss%23word%21) preserves password integrity.

What is the difference between mongodb:// and mongodb+srv://?

Standard mongodb:// strings explicitly list individual replica set member hosts and ports (e.g. mongodb://host1:27017,host2:27017/db). The modern mongodb+srv:// prefix utilizes DNS SRV records to discover replica set nodes dynamically without hardcoding multiple hostnames. MongoDB+SRV also implicitly enables TLS/SSL encryption by default.

How do SSL modes (require, verify-ca, verify-full) differ?

disable transmits credentials and queries in unencrypted plaintext. prefer attempts TLS but quietly falls back to plaintext if the server lacks SSL. require mandates TLS encryption but does not validate certificate authenticity. verify-ca verifies that the server certificate was signed by a trusted Certificate Authority. verify-full performs both CA validation and hostname verification, preventing Man-in-the-Middle (MitM) attacks.

How can I safely store connection strings in .env files without committing secrets to git?

Store connection strings with genuine passwords exclusively in local .env or secrets managers (e.g. HashiCorp Vault, AWS Secrets Manager, GCP Secret Manager), and add .env to your project's .gitignore. In version control, commit only a sanitized .env.example template with masked passwords (such as DATABASE_URL=postgresql://user:***@localhost:5432/mydb) so team members understand required environment keys.

How do Redis connection URIs handle authentication and database selection?

Redis connection strings format as redis://[:password@]host[:port][/db_index] or rediss:// for TLS encryption. With Redis 6+ ACL authentication, usernames are included before the password: redis://username:password@localhost:6379/0. The path segment (/0, /1) specifies the numeric zero-indexed logical database.

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