blank2done
Tools
Media CompressorJSON Path FinderPDF Utility

Blank2Done Tools

214 free, privacy-first browser utilities.

Age Calculator

Calculate exact age from birthdate

Agent Memory Builder

Build agent memory context XML

AI Labyrinth Script

Decoy HTML for scrapers

Anagram Generator

Generate anagrams from words

API Client

Build and test API requests

API Key Redactor

Scrub secrets from JSON

ASCII Art

Text to ASCII art

Aspect Ratio Scaler

Calculate proportional dimensions

Base Converter

Convert between bases

Base64 Converter

Encode/decode Base64

Base64 Encoder

Encode text to Base64

Base64 File Decoder

Decode Base64 to downloadable files

Base64 to File Decoder

Decode Base64 to files

BMI Calculator

Body mass index with metric/imperial

Border Radius Preview

Visual border-radius tool

Box Shadow Generator

Generate box-shadow CSS

Browser Storage Cleaner

Clear localStorage/cookies

Byte Storage Converter

KB/MB/GB/TB conversion

Camel/Snake Converter

Convert between case formats

Canvas Sketch Sandbox

Draw and export PNG

Case Converter

Upper/lower/title case

Character Frequency

Analyze character distribution

Charset Detector

Detect text encoding

Checksum Generator

SHA-1, SHA-256, SHA-512

Click-bait Filter

Score headlines for sensationalism

Code Age Visualizer

Identify stale code by modification date

Code Heatmap

Visualize code execution frequency

Code Sanitizer

Clean code snippets

Code Security Sanitizer

Audit for secrets

Color Blender

Blend two colors

Color Contrast

WCAG contrast checker

Color Palette Extractor

Extract colors from images

Color Picker

HSL/Hex color conversion

Cron Calculator

Cron expression helper

Cron Escape

Escape cron expressions

Cron Expression Builder

Natural language to cron

CRON Generator

Generate cron expressions

Cron Time Predictor

Predict cron execution times

Cron Visualizer

Visualize cron schedules

Credit Card Validator

Luhn algorithm validation

CSV Column Selector

Select, reorder, extract columns

CSV Filter

Filter CSV rows by column value

CSV ⇄ JSON Converter

Bidirectional conversion

CSV Sort

Sort CSV data by columns

CSV to HTML Table

CSV to responsive tables

CSV to Markdown

CSV to Markdown tables

CSV to Table

Convert CSV to HTML tables

Currency Converter

Convert between currencies

Diff Checker

Compare text differences

DNS Lookup

Query DNS records via DoH

DNS Record Viewer

View DNS records via DoH

Docker Compose Builder

Generate docker-compose.yml

Duplicate Remover

Remove duplicate lines

Epoch Converter

Unix timestamp to date

Email Extractor

Extract emails from text

Link Extractor

Extract URLs from text

Favicon Generator

Create favicons from images

Favicon Resizer

Resize to .ico format

Font Pairing

Find matching font pairs

GCD & LCM Calculator

Greatest common divisor/least common multiple

Git Command Helper

Build safe Git commands

Gradient Generator

CSS gradient builder

Hex Converter

Decimal to hex conversion

HMAC Signature Generator

Sign payloads with HMAC-SHA256

HSL to Hex Picker

Convert HSL, RGB, HSV, Hex colors

Htaccess Redirect Generator

Apache redirect rules

HTML Beautifier

Format HTML markup

HTML Decoder

Decode HTML entities

HTML Encoder

Encode special characters

HTML Escape

Escape special characters

HTML Tag Stripper

Remove HTML tags

HTML to JSX

Convert HTML to React JSX

HTTP Headers

Parse HTTP response headers

HTTP Status Codes

Look up status code meanings

Image Compressor

Compress images locally

Invoice Generator

Create and download invoices

IP Geolocation

Geolocate IP addresses

IP Lookup

Look up IP address info

IP Validator

Validate IPv4/IPv6 addresses

ISBN Validator

Validate ISBN-10 and ISBN-13

JS Beautifier

Format JavaScript code

JS Object Formatter

Format JavaScript objects

JSON Compare

Diff two JSON documents

JSON Formatter

Pretty-print JSON

JSON Path Finder

Extract values with dot notation

JSON Sort

Sort JSON keys alphabetically

JSON to Go Struct

Convert JSON to Go structs

JSON to Java Class

Convert JSON to Java POJO

JSON to Python Class

Convert JSON to Python dataclasses

JSON to SQL Schema

Convert JSON to CREATE TABLE

JSON to TypeScript

Convert JSON to TS interfaces

JWT Builder

Build JWT tokens

JWT Decoder

Decode claims locally

JWT Encoder

Encode JWT tokens

JWT Validator

Validate JWT tokens

Key Fingerprint Generator

SSH key SHA-256 fingerprints

Keyword Density

Analyze word frequency

Keyword Density Analyzer

Word frequency analysis

Leet Speak

Convert text to leet speak

Line Counter

Count lines in text

List Shuffler

Randomize lists or pick winners

Loan Calculator

Calculate loan payments

Local Port Scanner

Check browser ports

Lorem Ipsum Generator

Generate placeholder text

MAC Address Generator

Generate random MAC addresses

Markdown Editor

Live Markdown to HTML

Markdown Preview

Live Markdown to HTML

Markdown Table

Generate Markdown tables

Markdown Table Generator

Generate Markdown tables

MCP Config

Generate MCP server config

Media Compressor

Compress images locally

MIME Types

Look up MIME type mappings

Morse Code

Text to Morse code

Morse Code Synthesizer

Text to Morse code

NATO Phonetic Translator

Text to NATO alphabet

Natural Language Date Converter

Convert natural language date/time

Natural Regex Parser

Plain English to regex

Neumorphism Card Generator

Soft shadow cards

Nginx Config Generator

Generate server blocks

Number Base Converter

Convert between number bases

Number Spelling

Spell out numbers in words

OAuth Generator

Generate OAuth parameters

Palindrome Checker

Check if text is a palindrome

Password Entropy Tester

Test password strength

Password Generator

Cryptographically secure passwords

Password Strength

Test password strength

PDF Utility

Merge & rotate PDFs

Percent Calculator

Calculate percentages

Percentage Change Calculator

Growth/decay percentages

Phone Formatter

Format phone numbers

Port Scanner

Scan local ports

Private RSA Key Generator

Generate key pairs

PX to REM Converter

Pixels to REM units

QR Code Generator

Generate QR codes

Random Number

Generate random numbers

Readability Score Calculator

Flesch-Kincaid scoring

Regex Builder

Visual regex pattern builder

Space Remover

Remove extra whitespace

Responsive Screen Tester

Test viewport sizes

Robots.txt Generator

Generate robots.txt

Roman Numerals

Numbers to Roman numerals

ROT13 Cipher

Obfuscate with rotation

Security.txt Generator

Generate security.txt

Text Shuffler

Randomize text order

Slug Case

Convert to URL slug

Slug Generator

SEO-friendly URL slugs

Slug Uniqueness

Check slug availability

SQL Escape

Escape SQL strings

SQL Formatter

Beautify SQL queries

SQL Minifier

Minify SQL

SQL Query Formatter

Beautify SQL queries

SSL Checker

Check SSL certificate info

Status Code Lookup

HTTP status code reference

String Escaper

URL, Base64, Hex encoding

Subnet Calculator

Calculate subnet ranges

SVG Blob Shape Builder

Organic blob shapes

SVG Cleaner

Minify SVG markup

SVG Pattern Builder

Geometric SVG patterns

Tailwind Palette

Tailwind CSS color palette

Temperature Converter

Convert temperature units

Terraform Builder

Generate HCL2 configurations

Text Analyzer

Analyze text statistics

Text Diff

Compare text line by line

Text Reverser

Reverse text backwards

Text Statistics

Word/character counts

Time Converter

Convert time units

Timestamp Converter

Unix timestamp to date

Timezone Compare

Compare time across zones

Text Truncator

Truncate text to length

Turnstile Widget Builder

Cloudflare Turnstile code

Unit Converter

Unit Converter tool

Unix Permissions

Calculate chmod values

URL Decoder

Decode URL-encoded strings

URL Encoder

Encode URLs for transmission

URL Join

Join URL path segments

URL Parser

Parse URL components

URL Parser

Deconstruct URLs

URL Shortener

Create short URLs

User Agent Builder

Build user agent strings

UUID Generator

Generate secure UUIDs

UUID Validator

Validate UUID format

Vowel Counter

Count vowels in text

Webhook Tester

Test webhook endpoints

WebRTC Leak Auditor

Check for IP leaks

Whitespace Cleaner

Clean up code whitespace

WHOIS Lookup

Look up domain WHOIS data

Word Counter

Count words in text

Word Counter

Count words and characters

Word Wrap

Wrap text to line width

XML Sitemap Compiler

Generate sitemaps

XML to YAML

XML to YAML conversion

YAML Converter

YAML to JSON conversion

YAML ⇄ JSON

YAML to JSON and back

YAML Parser

Parse and validate YAML

YAML to XML

YAML to XML conversion

YAML Validator

Validate YAML syntax