Web tools
Free utilities for everyday tasks and work. Every tool runs fully in your browser on getwebtool.space.
AI Token Cost Calculator
Estimate AI API costs for OpenAI, Claude, Gemini, and DeepSeek in seconds.
Open tool →JSON Formatter & Validator
Format, validate, and minify JSON in one click.
Open tool →Regex Tester
Test regular expressions with instant match highlighting.
Open tool →Cron Expression Generator
Build cron schedules and preview exactly when they run.
Open tool →JWT Decoder
Read the contents of any JWT token safely in your browser.
Open tool →UUID Generator
Generate unique IDs in bulk for apps, databases, and tests.
Open tool →Base64 Encode & Decode
Encode or decode Base64 text in seconds.
Open tool →Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes online.
Open tool →Open Graph & Meta Preview
Create Open Graph and social share tags for any page.
Open tool →Unix Timestamp Converter
Convert Unix timestamps to dates and timezones instantly.
Open tool →Planning Poker
Ephemeral scrum poker rooms, no login, no data saved.
Open tool →HTML to Markdown Converter
Convert HTML pages and snippets to clean Markdown instantly.
Open tool →SQL Formatter
Format and beautify SQL queries with proper indentation and uppercase keywords.
Open tool →CSV to JSON Converter
Convert CSV data to JSON and back, right in your browser.
Open tool →Password Generator & Password Strength Checker
Generate strong, secure random passwords and check their strength.
Open tool →JWT Encoder
Create a JWT token from header and payload, with optional signature.
Open tool →AI Prompt Builder
Assemble structured prompts with system, context, and task sections, and estimate token cost.
Open tool →Color Converter
Convert colors between HEX, RGB, and HSL with an instant preview.
Open tool →Free, private, and client-side
Every tool on this page runs entirely in your browser. There are no server uploads, no accounts, and no watermarks. You can trust the data you paste stays on your machine, whether you are formatting JSON, decoding a token, or hashing a file.
Tools are organized into categories so you can quickly find what you need: utilities for daily development, converters for changing between formats, security tools for inspecting tokens and hashes, and planning tools for AI budgets and agile teams.