75 free browser tools

All Tools

Search the full AidenGPT library for AI, SEO, writing, data, and developer utilities.

Showing 75 tools

Popular

AI Humanizer

Make AI text sound human

AI Writing

Grammar Check

Fix grammar and spelling errors

AI Writing

Sentence Rewriter

Rewrite text in different tones

AI Writing

AI Prompt Writer

Create better AI prompts

Content Creation

IG Caption Generator

Generate Instagram captions

Content Creation

HTML Cleanup

Clean and optimize HTML code

SEO Tools

Sitemap Checker

Find sitemaps and extract URLs

SEO Tools

Domain Checker

Check domain availability

SEO Tools

Domain Suggest

Get domain name suggestions

SEO Tools

Word Cloud Generator

Generate word clouds from text

Text Analysis

Microcopy Library

Browse and copy UX microcopy

Content Creation

Text Summarizer

Summarize long texts quickly

Text Analysis

Gemini Tokenizer

Get Gemini Tokens for your text

Text Analysis

Character Count

Count characters, words, and more

Text Analysis

Timestamp Converter

Convert Unix timestamps to readable dates

Developer Tools

Lorem Ipsum Generator

Generate placeholder text

Text Analysis

Reading Time Calculator

Calculate reading time for any text

Text Analysis

UTF-8 Encoder/Decoder

Encode and decode UTF-8 text

Developer Tools

URL Encoder/Decoder

Encode and decode URL text

Developer Tools

Text Base64 Encoder/Decoder

Encode and decode Base64 text

Developer Tools

Special Character Escaper

Escape and unescape text

Developer Tools

String Hashing

Hash strings with SHA algorithms

Developer Tools

GPT Tokenizer

Tokenize text for GPT models

Text Analysis

Claude Tokenizer

Tokenize text for Claude models

Text Analysis

JSON to CSV Converter

Convert JSON to CSV automatically

Developer Tools

JSON to XML Converter

Convert JSON to XML automatically

Developer Tools

JSON Minifier and Compressor

Compress JSON output

Developer Tools

JSON Visualizer

Visualize JSON as tree and graph

Developer Tools

Random Number Generator

Generate random numbers

Developer Tools

Random Joke Generator

Generate random jokes

Content Creation

Random Quote Generator

Generate random quotes

Content Creation

Password Generator

Generate secure passwords

Developer Tools

Password Strength Checker

Check password strength

Developer Tools

Viewport Size Detector

Detect viewport dimensions

Developer Tools

Base64 to Image

Convert base64 to image

Developer Tools

Image to Base64

Convert images to Base64

Developer Tools

Image Placeholder Generator

Generate placeholder images

Developer Tools

Privacy Policy Generator

Generate privacy policy drafts

Content Creation

PDF Merge

Merge PDF files locally

Developer Tools

Pretty Text to Graph

Convert text to graph

Developer Tools

QR Code Generator

Generate QR codes

Developer Tools

Markdown Previewer

Preview Markdown live

Content Creation

Regex Tester

Test regular expressions

Developer Tools

Text Diff Checker

Compare text differences

Developer Tools

Slug Generator

Generate URL slugs

SEO Tools

Color Converter

Convert color formats

Developer Tools

Cron Expression Explainer

Explain cron expressions

Developer Tools

SEO Meta Tag Preview

Preview SEO snippets and tags

SEO Tools

Robots.txt Generator

Generate robots.txt

SEO Tools

Open Graph Social Card Preview

Preview social share cards

SEO Tools

JWT Decoder

Decode JWT tokens

Developer Tools

UUID Generator

Generate UUID v4 values

Developer Tools

JSON Formatter and Validator

Pretty-print valid JSON

Developer Tools

CSV to JSON

Convert CSV to JSON

Developer Tools

Case Converter

Convert text case styles

Developer Tools

URL Parser

Parse URL components

Developer Tools

Analog Clock Widget

Display an analog clock face

Developer Tools

Stopwatch

Measure elapsed time

Developer Tools

Day Date Clock

Display today’s day and date

Developer Tools

DNS Record Generator

Generate DNS records

Developer Tools

Security Headers Generator

Generate security headers

Developer Tools

CORS Header Generator

Generate CORS headers

Developer Tools

OpenAPI Swagger Viewer

View OpenAPI and Swagger specs

Developer Tools

Folder Tree Generator

Create ASCII folder trees

Developer Tools

Text File Merger

Merge text files for prompts

Developer Tools

PDF to Text

Extract text from PDFs

Developer Tools

DOCX to Markdown

Convert DOCX to Markdown

Content Creation

LLM Context Trimmer

Trim text for LLM context

Text Analysis

Token Speed Visualizer

Estimate LLM response speed

Text Analysis

LLM Cost Calculator

Estimate LLM token costs

Developer Tools

Prompt Diff Checker

Compare prompt versions

Text Analysis

Prompt Template Tester

Preview prompt templates

Content Creation

JSON Schema Generator

Generate LLM output schemas

Developer Tools

LLM JSON Repair

Repair messy LLM JSON

Developer Tools

RAG Chunking Playground

Preview RAG document chunks

Developer Tools