UtilityTools

Utility Tools

UtilityTools

Fast, Free & Private Micro-Utilities.

Run invoices, format JSON, compress images, and more — instantly in your browser. No signup, no uploads to our servers, no subscriptions.

20 toolsFreePrivateNo signup
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Finance

Invoices, quotes, and payment calculators for freelancers.

Finance
Invoice Generator
Build professional invoices with live preview and PDF export.
Finance
Quote Generator
Create sales quotes and estimates for client proposals.
Finance
Stripe Fee Calculator
Calculate processing fees and net payout for Stripe payments.

Developer

Format, decode, test, and debug code in your browser.

Developer
JSON Formatter
Format, validate, and minify JSON with tree view and errors.
Developer
JWT Decoder
Decode JWT headers and payloads with expiration insights.
Developer
Regex Tester
Test regular expressions with live match highlighting.
Developer
Cron Generator
Build cron expressions and preview upcoming run times.
Developer
Diff Checker
Compare two text blocks side by side with highlighted diffs.

Design

Compress images, generate QR codes, and check contrast.

Design
Image Compressor
Compress and resize images in-browser with quality control.
Design
SVG to JSX
Convert SVG markup into clean React JSX components.
Design
QR Generator
Generate customizable QR codes and export as PNG or SVG.
Design
Color Contrast
Check foreground and background pairs against WCAG levels.

Text

Analyze, preview, and encode text content instantly.

Text
Word Counter
Count words, characters, sentences, and reading time live.
Text
Markdown Preview
Write Markdown with a live HTML preview and export option.
Text
Base64 Converter
Encode and decode strings or files to and from Base64.

General

Everyday utilities for URLs, passwords, and more.

General
URL Shortener
Create short URL aliases with local history tracking.
General
UTM Builder
Build campaign URLs with UTM parameters and validation.
General
Password Generator
Generate secure passwords with entropy and crypto randomness.
General
Aspect Ratio
Calculate dimensions for common aspect ratios and layouts.
General
Lorem Generator
Generate placeholder paragraphs and sentences for mockups.