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Developer Tools

Free Developer Tools

32 tools — format, generate, encode, and debug. All browser-based, no upload required.

Formatters & Code

Format, convert & minify code.

JSON Formatter

Format, validate & minify JSON

SQL Formatter

Beautify, minify & analyze SQL

HTML to JSX

Convert HTML to clean React JSX

Code Minifier

Minify & beautify CSS, JS & HTML

Text Compare

Visual diff & smart merge

CSS Tools

Visual CSS generators & live preview.

Gradient Generator

CSS & Tailwind gradients

Font Generator

@font-face CSS & font stacks

Flexbox Generator

Visual flex playground

CSS Clamp

Fluid clamp() values

Unit Converter

PX ↔ REM ↔ EM ↔ VW

Box Shadow

Layered shadows & neumorphism

CSS Grid

Visual grid builder

Animation Generator

Keyframe & hover animations

Shape Generator

Triangle, blob, star shapes

Mask Generator

Fade & spotlight mask effects

Filter Generator

Blur, brightness & hue effects

Border Radius

Rounded corners & blobs

Code Utilities

Encode, decode & generate strings.

Base64 Encoder

Encode text & files to Base64

JWT Decoder

Inspect JWT token claims

URL Encoder

Encode & decode URL strings

UUID Generator

Random v1, v4 & v5 UUIDs

Hash Generator

MD5, SHA-1 & SHA-256

Regex Tester

Test regular expressions

Favicon Generator

Favicon & app icons in all sizes

Robots.txt Generator

SEO robots.txt builder

Sitemap Generator

XML sitemap builder

.htaccess Generator

Apache redirects & security

Text & Writing

Word count, case convert & lorem ipsum.

Word Counter

Count words, chars & reading time

Text Case Converter

UPPERCASE, camelCase, snake_case

Lorem Ipsum Generator

Placeholder text on demand

Meta Tag Generator

SEO meta tags & Open Graph

Color Picker

HEX, RGB, HSL colour converter

Explore other categories

Media Tools

Image, video & conversion tools.

PDF & Document Tools

Merge, split, convert & secure PDFs.

AI & Content Tools

AI tools, QR codes, resumes & productivity.

Financial & Everyday Calculators

Investment, loan, tax & everyday calculators.

Frequently asked questions

Common questions about Toolsva's free browser-based developer tools.

No. All developer tools — including JSON formatting, CSS generation, and encoding/decoding — run entirely in your browser. No data is sent to any server.

Toolsva includes Gradient, Flexbox, CSS Grid, Box Shadow, Animation, CSS Clamp, Filter, Mask, Shape, Border Radius, and Font generators — all with live preview and code export.

Yes. All generated CSS is production-ready. Outputs include raw CSS, Tailwind classes, and React inline styles where applicable.

Yes. The Regex Tester supports global (g), case-insensitive (i), multiline (m), dotAll (s), and unicode (u) flags with real-time match highlighting.

The Base64 tool supports text encoding/decoding and file-to-Base64 conversion for images, PDFs, and other binary files.

Yes. The Web Code Minifier supports CSS, JavaScript, and HTML minification and beautification with live statistics and syntax highlighting.

Yes. Text Compare provides side-by-side visual diff with highlighted additions, deletions, a similarity score, and per-conflict merge resolution.

Yes. Toolsva includes Meta Tag Generator, Robots.txt Generator, Sitemap Generator, and .htaccess Generator for SEO and Apache web server configuration.