Developer tools · Text tools · No upload

Free Developer & Text Tools

A complete static toolbox for JSON, Base64, URL encoding, JWT decoding, hashes, timestamps, colors, text conversion, counters, line tools, Markdown preview and code formatting.

Open JSON Formatter Browse All Tools

29 live toolsLocal processingNo login requiredStatic upload ready

Developer & Text Tools

All listed tools are available now. Choose a tool below and process your text locally in the browser.

JSON Formatter

Format and beautify JSON with indentation.

JSON Minifier

Minify JSON by removing whitespace.

JSON Validator

Validate JSON and find syntax errors.

Base64 Encode / Decode

Encode and decode Base64 text.

URL Encode / Decode

Encode and decode URL components.

HTML Entity Encode / Decode

Convert HTML special characters to entities and back.

JWT Decoder

Decode JWT header and payload locally.

UUID Generator

Generate UUID v4 values.

Password Generator

Generate strong random passwords.

SHA-256 Hash Generator

Generate SHA-256, SHA-1 and SHA-512 hashes.

MD5 Hash Generator

Generate MD5 hashes locally.

Timestamp Converter

Convert Unix timestamps, milliseconds and ISO dates.

Unix Time Converter

Convert Unix time to readable dates and back.

Color Converter

Convert HEX, RGB and HSL colors.

HEX to RGB

Convert HEX color values to RGB.

RGB to HEX

Convert RGB color values to HEX.

Text Case Converter

Convert text between common cases.

Word Counter

Count words, characters, lines and paragraphs.

Character Counter

Count characters, bytes, spaces and lines.

Remove Duplicate Lines

Remove duplicate lines from text.

Sort Lines

Sort text lines alphabetically or numerically.

Text Diff Checker

Compare two texts line by line.

Slug Generator

Create SEO-friendly URL slugs.

Random String Generator

Generate random strings and tokens.

Lorem Ipsum Generator

Generate placeholder paragraphs, sentences and words.

Markdown Preview

Preview Markdown as HTML locally.

HTML Formatter

Format simple HTML markup.

CSS Formatter

Format CSS code.

JavaScript Formatter

Format JavaScript code with simple indentation.

Why use 800323?

A focused developer and text toolbox for programmers, website owners, SEO workers and everyday productivity tasks.

Complete tool matrix

JSON, encoding, hashing, timestamps, colors, text cleanup, counters and formatting tools in one place.

Browser-based

Most tools run locally in JavaScript, so your input is not uploaded to the server.

Direct upload ready

No PHP, no database and no backend setup required. Upload the files to your domain root.

FAQ

Are all tools available?

Yes. This version includes 29 live tools and does not use Planned placeholders.

Is my text uploaded?

No. Tool processing runs in the browser. The site does not send tool input to a backend.