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Web Apps

HTML/CSS/JS and Next.js applications

166
Total
110
Built
5
Categories

Ascii Art Generator

Convert text to ASCII art with multiple font styles.

✓ BuiltContent
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Blog Cms

Headless blog CMS with markdown editor and API. Built with Next.js 15.

✓ BuiltContent
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Changelog App

Beautiful public changelog for products with categorized entries and email notifications

✓ BuiltContent
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Changelog Generator

Paste git commit messages, auto-categorize them by type (feat/fix/docs/chore), and generate a beautifully formatted chan

✓ BuiltContent
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Digital Garden

Personal knowledge garden with bidirectional links. Built with Next.js 15.

✓ BuiltContent
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Documentation Site

Create beautiful documentation with versioning. Built with Next.js 15.

✓ BuiltContent
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Knowledge Base

Searchable documentation site with categories and search

✓ BuiltContent
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Landing Page

A high-converting SaaS landing page template with modern design.

✓ BuiltContent
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Link In Bio

A Linktree-style link-in-bio page builder with custom themes.

✓ BuiltContent
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Markdown Blog

A split-pane markdown editor with live preview. Uses the `marked` library via CDN.

✓ BuiltContent
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Microblog

Short-form blogging platform with feeds and likes. Built with Next.js 15.

✓ BuiltContent
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Newsletter Platform

Create and send email newsletters with templates. Built with Next.js 15.

✓ BuiltContent
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Podcast Platform

Host and manage podcast episodes with RSS. Built with Next.js 15.

✓ BuiltContent
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Portfolio Site

A personal portfolio website showcasing projects, skills, and contact information.

✓ BuiltContent
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Privacy Policy Generator

Generate privacy policy pages from a questionnaire.

✓ BuiltContent
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Quiz Maker

Create shareable quizzes with analytics and lead capture

✓ BuiltContent
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Resume Builder

A client-side resume builder with multiple templates and PDF export.

✓ BuiltContent
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Terms Generator

Generate terms of service from templates.

✓ BuiltContent
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Wiki Engine

Collaborative wiki with linking and search. Built with Next.js 15.

✓ BuiltContent
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Budget Planner

Monthly budget planning with categories and tracking. Built with Next.js 15.

✓ BuiltFinance
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Compound Interest

Visualize compound interest growth over time.

✓ BuiltFinance
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Crypto Portfolio

Track cryptocurrency holdings and performance. Built with Next.js 15.

✓ BuiltFinance
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Currency Converter

Offline currency converter with saved exchange rates.

✓ BuiltFinance
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Expense Tracker

Personal expense tracking app with categories, budgets, and charts.

✓ BuiltFinance
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Freelance Dashboard

Dashboard for freelancers with income and time tracking. Built with Next.js 15.

✓ BuiltFinance
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Invoice Generator

Create professional invoices with PDF export and client management.

✓ BuiltFinance
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Loan Calculator

Calculate monthly payments, interest, and amortization schedules.

✓ BuiltFinance
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Split Expense

Split group expenses and track who owes whom. Built with Next.js 15.

✓ BuiltFinance
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Stock Watchlist

Track stock prices with customizable watchlists. Built with Next.js 15.

✓ BuiltFinance
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Tip Calculator

A beautifully designed tip calculator with bill splitting, custom tip percentages, and per-person breakdowns.

✓ BuiltFinance
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Bookmark Manager

Organize, tag, and search your bookmarks with previews. Built with Next.js 15.

✓ BuiltProductivity
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Calculator

A beautiful, functional calculator app. Vanilla HTML/CSS/JS, no dependencies.

✓ BuiltProductivity
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Daily Checklist

Simple daily checklist that resets each day.

✓ BuiltProductivity
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Decision Matrix

Weighted decision matrices for comparing options. Built with Next.js 15.

✓ BuiltProductivity
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Event Planner

Plan events with checklists, guest lists, and budget tracking. Built with Next.js 15.

✓ BuiltProductivity
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Feedback Board

Public roadmap and feature voting platform for products

✓ BuiltProductivity
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Flashcard App

Create and study flashcards with spaced repetition.

✓ BuiltProductivity
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Form Builder

Drag-and-drop form creator with submissions management

✓ BuiltProductivity
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Habit Tracker

Daily habit tracking with streaks, stats, and visual progress.

✓ BuiltProductivity
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Kanban Board

Drag-and-drop Kanban board with local persistence.

✓ BuiltProductivity
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Meeting Cost Calculator

Calculate the real-time cost of meetings.

✓ BuiltProductivity
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Notes App

A rich-text notes app with folders, tags, and markdown support.

✓ BuiltProductivity
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Okr Tracker

Track objectives and key results with progress updates. Built with Next.js 15.

✓ BuiltProductivity
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Poll Creator

Create and share polls with real-time results visualization.

✓ BuiltProductivity
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Pomodoro Dashboard

A feature-rich Pomodoro timer with session tracking, statistics dashboard, and ambient sounds. Track focus habits over t

✓ BuiltProductivity
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Project Tracker

Track projects with milestones, deadlines, and progress bars. Built with Next.js 15.

✓ BuiltProductivity
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Reading List

Track books and articles you want to read.

✓ BuiltProductivity
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Resource Planner

Allocate team resources across projects and time. Built with Next.js 15.

✓ BuiltProductivity
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Retrospective Board

Run team retrospectives with anonymous voting. Built with Next.js 15.

✓ BuiltProductivity
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Sprint Planner

Plan and manage agile sprints with story points. Built with Next.js 15.

✓ BuiltProductivity
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Time Tracker

Track time spent on projects and tasks with reports and charts.

✓ BuiltProductivity
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Time Tracker Web

Track time on tasks with start/stop timer.

✓ BuiltProductivity
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Todo List

A clean todo list app with localStorage persistence. No frameworks, no backend.

✓ BuiltProductivity
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Typing Test

Typing speed test with WPM calculation and accuracy tracking.

✓ BuiltProductivity
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Whiteboard

Collaborative-style whiteboard with drawing tools.

✓ BuiltProductivity
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Bookmarks Manager

A web-based bookmark manager with tags, folders, and search.

✓ BuiltSocial
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Community Forum

Discussion forum with threads and categories. Built with Next.js 15.

✓ BuiltSocial
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Event Rsvp

Create event pages with RSVP and guest management. Built with Next.js 15.

✓ BuiltSocial
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Guestbook

Digital guestbook for websites with moderation. Built with Next.js 15.

✓ BuiltSocial
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Link In Bio

Custom bio page with analytics, custom themes, and click tracking

✓ BuiltSocial
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Meme Generator

Create memes with text overlays on template images.

✓ BuiltSocial
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Poll Creator

Create real-time polls with live results and beautiful visualizations

✓ BuiltSocial
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Poll Maker

Create shareable polls with real-time results visualization.

✓ BuiltSocial
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Shoutout Wall

Public appreciation wall for teams and communities. Built with Next.js 15.

✓ BuiltSocial
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Testimonial Wall

Collect and display customer testimonials with video support and embeddable widgets

✓ BuiltSocial
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Waitlist Page

Email capture landing page with referral tracking and viral sharing mechanics

✓ BuiltSocial
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Api Documentation

Generate beautiful API docs from OpenAPI specs. Built with Next.js 15.

✓ BuiltTools
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Ascii Art Generator

Convert text and images to beautiful ASCII art

✓ BuiltTools
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Aspect Ratio Calculator

Calculate and convert aspect ratios for images and video.

✓ BuiltTools
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Aspect Ratio Tool

Calculate and visualize aspect ratios. Built with Next.js 15.

✓ BuiltTools
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Base Converter

Convert numbers between bases (bin, oct, dec, hex). Built with Next.js 15.

✓ BuiltTools
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Base64 Encoder

Multi-format encoder/decoder: Base64, URL-encode, HTML entities, JWT.

✓ BuiltTools
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Binary Converter

Convert between binary, hexadecimal, decimal, and octal

✓ BuiltTools
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Border Radius Generator

Visual border-radius editor with individual corners. Built with Next.js 15.

✓ BuiltTools
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Box Shadow Generator

Visual CSS box-shadow creator with layered shadows

✓ BuiltTools
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Character Counter

Count characters, words, sentences with limits. Built with Next.js 15.

✓ BuiltTools
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Chmod Calculator

Unix file permission calculator with visual toggles.

✓ BuiltTools
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Clip Path Editor

Visual CSS clip-path polygon editor. Built with Next.js 15.

✓ BuiltTools
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Codeblock Beautifier

Format and beautify code snippets with themes. Built with Next.js 15.

✓ BuiltTools
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Color Contrast Checker

Check color contrast ratio for WCAG accessibility compliance.

✓ BuiltTools
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Color Mixer

Mix and blend colors with harmony suggestions. Built with Next.js 15.

✓ BuiltTools
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Color Name Finder

Find the closest named color for any hex value. Built with Next.js 15.

✓ BuiltTools
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Color Palette Generator

Generate harmonious color palettes with various color theory rules.

✓ BuiltTools
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Contract Generator

Simple legal contract templates with fill-in fields and PDF export

✓ BuiltTools
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Contrast Grid

Test color contrast across all palette combinations. Built with Next.js 15.

Spec OnlyTools

Cors Header Builder

Design CORS response headers for your API. Built with Next.js 15.

Spec OnlyTools

Cron Expression Builder

A visual cron schedule builder that converts human-readable selections into cron expressions and shows the next schedule

Spec OnlyTools

Csp Generator

Content Security Policy header builder. Built with Next.js 15.

Spec OnlyTools

Css Animation Builder

Visual keyframe animation builder with timeline. Built with Next.js 15.

Spec OnlyTools

Css Box Shadow Generator

Visual CSS box-shadow builder with multiple layers.

✓ BuiltTools
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Css Filter Generator

Visual CSS filter property builder. Built with Next.js 15.

Spec OnlyTools

Css Flexbox Playground

Interactive CSS Flexbox layout playground.

✓ BuiltTools
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Css Grid Generator

Visual CSS Grid layout builder.

Spec OnlyTools

Css Specificity Calc

Calculate and compare CSS specificity scores. Built with Next.js 15.

Spec OnlyTools

Diff Checker

Compare two code snippets with syntax highlighting.

Spec OnlyTools

Diff Viewer

Visual side-by-side text and code diff comparison tool

Spec OnlyTools

Email Signature Generator

Design professional HTML email signatures with templates

Spec OnlyTools

Emoji Picker

Searchable emoji picker with categories and copy-to-clipboard.

✓ BuiltTools
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Encoding Tool

Multi-format encoder/decoder (URL, HTML, Unicode). Built with Next.js 15.

Spec OnlyTools

Favicon Generator

Generate favicons from text, emoji, or uploaded images.

✓ BuiltTools
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Flexbox Playground

Interactive CSS flexbox layout builder and learning tool

Spec OnlyTools

Font Tester

Preview and compare Google Fonts side by side. Built with Next.js 15.

Spec OnlyTools

Github Readme Generator

Generate README.md files with sections and badges. Built with Next.js 15.

Spec OnlyTools

Glassmorphism Generator

Design glassmorphism UI elements with controls. Built with Next.js 15.

Spec OnlyTools

Gradient Generator

CSS gradient builder with angle and color controls.

Spec OnlyTools

Grid Playground

Interactive CSS Grid visual builder and reference tool

Spec OnlyTools

Hash Generator

Generate MD5, SHA-1, SHA-256 hashes from text or files.

Spec OnlyTools

Htaccess Generator

Generate .htaccess rules from a form.

✓ BuiltTools
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Html Entity Converter

Convert special characters to HTML entities and back.

✓ BuiltTools
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Html Preview

Live HTML/CSS/JS editor with instant preview

Spec OnlyTools

Htpasswd Generator

Generate Apache htpasswd entries for basic auth. Built with Next.js 15.

Spec OnlyTools

Http Status Reference

Searchable HTTP status code reference guide. Built with Next.js 15.

Spec OnlyTools

Image Map Generator

Create HTML image maps visually. Built with Next.js 15.

Spec OnlyTools

Image To Base64

Convert images to Base64 strings and vice versa.

✓ BuiltTools
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Ip Info Viewer

Display local network info and IP-related utilities.

Spec OnlyTools

Json Diff Viewer

Paste two JSON objects side-by-side and see a beautiful tree diff with added, removed, and changed properties highlighte

✓ BuiltTools
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Json Schema Generator

Generate JSON Schema from sample JSON data. Built with Next.js 15.

Spec OnlyTools

Json To Csv

Convert between JSON and CSV formats.

✓ BuiltTools
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Json Tree Viewer

Visualize JSON as collapsible tree structure.

✓ BuiltTools
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Jwt Generator

Create and sign JWT tokens with custom claims. Built with Next.js 15.

Spec OnlyTools

Keyframe Animator

Visual multi-step CSS keyframe editor. Built with Next.js 15.

Spec OnlyTools

Lorem Ipsum Generator

Generate placeholder text with customizable paragraphs and formats.

✓ BuiltTools
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Manifest Generator

Generate web app manifest.json files. Built with Next.js 15.

Spec OnlyTools

Markdown Preview

Live Markdown editor with split-pane preview.

✓ BuiltTools
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Markdown Table Generator

Visual table editor that outputs markdown. Built with Next.js 15.

Spec OnlyTools

Media Query Builder

Visual breakpoint and media query designer. Built with Next.js 15.

Spec OnlyTools

Meta Tag Generator

Generate SEO meta tags, Open Graph, and Twitter cards.

✓ BuiltTools
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Neumorphism Generator

Design neumorphic UI elements with shadow controls. Built with Next.js 15.

Spec OnlyTools

Og Image Generator

Design beautiful Open Graph social sharing cards

Spec OnlyTools

Password Strength Checker

Test password strength with entropy calculation and suggestions.

✓ BuiltTools
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Placeholder Image

Generate placeholder images with custom dimensions and text.

Spec OnlyTools

Pricing Table Builder

Design and export responsive pricing tables for SaaS products

Spec OnlyTools

Qr Code Generator

Generate customizable QR codes for URLs, text, Wi-Fi, and vCards.

✓ BuiltTools
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Regex Playground

A visual regex builder and tester with live matching, group highlighting, and a cheat sheet. Paste test strings, build p

✓ BuiltTools
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Regex Tester

Test regular expressions with live matching and group extraction.

Spec OnlyTools

Regex Visualizer

Visualize regex patterns as railroad diagrams. Built with Next.js 15.

Spec OnlyTools

Responsive Tester

Test any URL across multiple device resolutions. Built with Next.js 15.

Spec OnlyTools

Resume Builder

ATS-optimized resume builder with multiple professional templates

Spec OnlyTools

Robots Txt Generator

Generate robots.txt files for websites.

✓ BuiltTools
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Screen Resolution Tester

Test responsive design at different screen resolutions.

✓ BuiltTools
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Scrollbar Designer

Design custom CSS scrollbars visually. Built with Next.js 15.

Spec OnlyTools

Sitemap Generator

Generate XML sitemaps from URL lists.

✓ BuiltTools
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Spacing Calculator

Calculate consistent spacing scales for design. Built with Next.js 15.

Spec OnlyTools

Sprite Sheet Viewer

View and extract sprites from sprite sheets. Built with Next.js 15.

Spec OnlyTools

Sql Formatter

Format and beautify SQL queries with highlighting. Built with Next.js 15.

Spec OnlyTools

Status Page

Real-time service uptime monitoring with incident management

Spec OnlyTools

String Utilities

String manipulation toolkit: case, trim, count, reverse.

✓ BuiltTools
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Svg Editor

Simple SVG drawing and editing tool.

✓ BuiltTools
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Svg Optimizer

Optimize and clean SVG files. Built with Next.js 15.

Spec OnlyTools

Svg Wave Generator

Generate custom SVG waves, blobs, and gradient backgrounds for website hero sections. Adjust parameters with sliders and

✓ BuiltTools
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Table Generator

Generate HTML/Markdown/CSV tables visually. Built with Next.js 15.

Spec OnlyTools

Tailwind Converter

Convert CSS to Tailwind classes and vice versa. Built with Next.js 15.

Spec OnlyTools

Text Diff Tool

Compare two text blocks and highlight differences.

✓ BuiltTools
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Text Shadow Generator

Visual CSS text-shadow builder with layers. Built with Next.js 15.

Spec OnlyTools

Timestamp Converter

Convert between Unix timestamps and human-readable dates.

✓ BuiltTools
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Transition Generator

Visual CSS transition property builder. Built with Next.js 15.

Spec OnlyTools

Typography Scale

Generate modular type scales with preview. Built with Next.js 15.

Spec OnlyTools

Unit Converter

Convert between units: length, weight, temperature, data, time.

✓ BuiltTools
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Url Shortener

A URL shortening service with click analytics and custom short codes.

Spec OnlyTools

Uuid Generator

Generate UUIDs in multiple versions and formats. Built with Next.js 15.

Spec OnlyTools

Variable Font Tester

Explore variable font axes interactively. Built with Next.js 15.

Spec OnlyTools

Weather App

A weather app that fetches real weather data from a free API. No frameworks.

✓ BuiltTools
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Webfont Converter

Convert fonts to web-optimized formats. Built with Next.js 15.

Spec OnlyTools

Webhook Tester

Test and debug webhooks with request inspection. Built with Next.js 15.

Spec OnlyTools

Yaml Validator

Validate and format YAML with error highlighting.

Spec OnlyTools