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Fast Text Format

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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

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

Code Beautifier

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

CSS Format

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.

HTML / XML

Beautify, minify, and clean up messy code instantly.

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 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.

Markdown

Write raw markdown with a live HTML preview.

Source Map Viewer

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

SQL Formatter

Beautify and format messy SQL queries.

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

ASCII Art

Generate large ASCII art text banners.

Barcode Generator

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

CHMOD Calc

Calculate Linux file permissions easily.

Color Contrast

Check WCAG color contrast accessibility.

Color Format

Instantly convert HEX, RGB, and HSL color codes.

Cron Decoder

Translate cron schedules into human-readable text.

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 Compressor

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

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 Gen

Create strong, secure passwords using cryptographic algorithms.

PDF Toolkit

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

Placeholder Text

Create random placeholder text for UI mockups.

QR Code

Create scalable, scannable QR codes from text or URLs.

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.

UUID / GUID

Instantly generate universally unique identifiers (v4).

XML Sitemap Generator

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

Finance & Units

Networking

Generators & Utilities

Image to Base64 (Data URI)

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

Upload Image

Drag & drop an image here or click to browse

Limit: 25MB per image

Preview

How to Use

Drag and drop an image file into the dropzone or click to browse. The converter generates a Base64 Data URI string and a ready-to-use CSS background-image property that can be copied directly into your stylesheet.

Frequently Asked Questions

What is a Data URI scheme?

A URI scheme (data:[<mediatype>][;base64],<data>) that allows embedding small image and media files directly inline within HTML, CSS, or JSON documents as text strings.

How does converting an image to Base64 work?

The binary byte sequence of the image file is encoded into a set of 64 ASCII characters, allowing it to be treated as a text string instead of a separate binary file.

What are the advantages of Base64 images?

Eliminates additional HTTP requests, prevents image loading flicker, enables self-contained email templates, and bundles assets into single-file components.

What are the disadvantages of Base64 images?

Base64 increases file size by approximately 33% and cannot be cached independently by the browser, which can inflate HTML/CSS document download sizes.

When should you use Base64 images vs external image URLs?

Best for tiny icons, SVG graphics, and loading placeholders under 10KB; avoid for large hero images and photo galleries where standard CDN caching is superior.

What image formats can be converted to Base64?

All web image formats: PNG, JPEG, WEBP, GIF, SVG, ICO, and AVIF.

How do you embed a Base64 image in CSS?

Use it within the background-image property: background-image: url('data:image/png;base64,iVBORw0KGgo...');.

How do you embed a Base64 image in HTML?

Use it directly in the src attribute of an image tag: <img src="data:image/png;base64,iVBORw0KGgo..." alt="Inline Image">.

Can Base64 images hurt web performance and Core Web Vitals?

Yes; inlining large Base64 strings into CSS or HTML blocks DOM rendering and inflates the critical rendering path, hurting First Contentful Paint (FCP).

Are your images uploaded to a server when converted here?

No. Images are processed locally using the browser's FileReader API; your photos and graphics never leave your computer. Images up to 25MB are supported.

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