All Your Developer Toolsin One Place
WebToolsPlanet is a free, privacy-first toolbox for developers and creators. Everything runs in your browser — no data ever leaves your device.
Already know the tool? Press Ctrl / ⌘ + K to jump straight to it.
Curated Collections
Handpicked toolkits for every workflow
Frontend Toolkit
12 toolsShip great UI faster
API & Backend Pack
14 toolsDebug and build APIs faster
Content Creator Kit
13 toolsWrite better, rank higher
Image Studio
14 toolsEdit images right in your browser
Security & Privacy Kit
7 toolsGenerate, hash, and verify securely
Social Media Toolkit
9 toolsCreate content that gets clicks
color Tools
Color tools & palettes
Color Contrast Checker
OpenCheck WCAG color contrast ratios for accessibility.
Color Converter
PopularConvert colors between HEX, RGB, HSL, HSV, CMYK, and HWB. Includes tints & shades, WCAG contrast ratio, CSS snippets, and color history.
Color Palette Generator
✦ PickGenerate harmonious color palettes and schemes.
Color Picker from Image
OpenExtract exact Hex, RGB, and HSL color codes from any image using a precision eyedropper tool.
converter Tools
Convert between formats
Base64 Encoder/Decoder
PopularEncode text to Base64 or decode Base64 to text.
CSV to JSON Converter
OpenConvert CSV files to JSON arrays instantly — with header mapping, delimiter options, and type inference.
HTML to Markdown Converter
OpenConvert HTML into clean, readable Markdown — preserving headings, links, images, lists, and tables.
JSON Formatter
PopularFormat, validate, and beautify JSON instantly — with clear error messages, Tree View, Diff mode, and Schema validation.
Markdown Table Generator
OpenCreate GFM Markdown tables visually — add rows/columns, align cells, import from CSV/spreadsheet paste, and copy the formatted table code.
Markdown to HTML Converter
OpenConvert Markdown to clean, semantic HTML with live preview — supports GFM tables, task lists, syntax highlighting, and custom sanitization.
css Tools
CSS utilities & generators
Border Radius Generator
OpenCreate complex CSS border-radius shapes with independent corner controls — from rounded buttons to organic blobs.
Box Shadow Generator
PopularCreate CSS box shadows with a visual editor.
Clip Path Generator
✦ PickCreate custom CSS clip-path shapes visually.
CSS Beautifier / Formatter
OpenFormat, indent, and beautify minified or messy CSS code — with configurable indentation and sorting options.
CSS Checkbox Generator
OpenCreate custom-styled CSS checkboxes — checkmark, dot, fill variants with animated states and ARIA-accessible HTML.
CSS Gradient Generator
PopularCreate beautiful CSS gradients with a visual editor.
developer Tools
Developer utilities
Code to Image Converter
✦ PickConvert code snippets to beautiful images for sharing.
Cron Expression Explainer
OpenTranslate cron expressions to plain English — see next run times, validate schedules, and learn cron syntax with live examples.
Cron Expression Generator
OpenBuild and decode cron schedule expressions visually — get human-readable descriptions and next run times.
DNS Lookup Tool
OpenQuery A, AAAA, MX, TXT, CNAME, NS, and SOA DNS records globally using Cloudflare DoH — for email, SSL, and domain debugging.
Unix Timestamp Converter
OpenConvert Unix epoch timestamps to human-readable dates and vice versa — with timezone support.
HTML Beautifier
OpenFormat and beautify minified or messy HTML code.
generator Tools
Generate data & codes
Barcode Generator
OpenGenerate barcodes in CODE128, EAN-13, UPC-A, CODE39, and ITF formats — with customizable sizing, colors, and PNG/SVG download.
Dummy Text Generator
OpenGenerate Lorem Ipsum, Kafka, Pangrams, and other placeholder text varieties — with word count, paragraph count, and HTML wrapping options.
Fake IBAN Generator
✦ PickGenerate syntactically valid test IBANs for 30+ countries — correct checksum, wrong real account.
Hash Generator
PopularGenerate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
List Randomizer
OpenShuffle any list, pick N random winners, or run a fair lottery using the Fisher-Yates algorithm.
Mock API Response Generator
✦ PickGenerate structured mock JSON API responses from a schema — for frontend testing and component prototyping.
image Tools
Image editing & conversion
Base64 Image Encoder
OpenConvert PNG, JPG, WebP, and SVG images to Base64 strings for direct embedding in HTML, CSS, or JSON payloads.
Favicon Generator
OpenCreate favicons from text, emoji, or images — generates ICO, PNG, and all required Apple Touch icon sizes.
Image Background Remover
OpenRemove image backgrounds instantly with AI. Powered by a client-side WASM model — your image never leaves your browser. Free, private, and lightning-fast.
Image Caption Generator
NewGenerate descriptive captions for images using local AI.
Image Color Extractor
NewExtract a dominant color palette from any image using quantization — get 5–10 key colors with Hex, RGB, and HSL codes.
Image Compressor
PopularReduce image file size online — compress JPEG, PNG, and WebP without losing visible quality.
pdf Tools
PDF utilities & converters
HTML to PDF Converter
NewConvert any HTML and CSS code into a PDF document instantly in your browser — no upload, no server.
Image to PDF Converter
NewConvert JPEG, PNG, and WebP images into a single PDF document — drag to reorder, choose page size.
Merge PDF
NewCombine multiple PDF files into a single document — drag to reorder, merge instantly in your browser.
PDF to Image Converter
NewConvert PDF pages to high-quality JPEG or PNG images — choose DPI, page range, and format.
Scanned PDF Converter
NewMake digital PDFs look like scanned documents.
Split PDF
NewExtract specific pages or split a PDF into separate files — by range, every page, or custom groups.
security Tools
Security & privacy tools
seo Tools
SEO & marketing tools
Meta Tag Generator
OpenGenerate SEO title tags, meta descriptions, Open Graph, and Twitter Card tags for any webpage.
Open Graph Generator
OpenGenerate Open Graph and Twitter Card meta tags for rich social media link previews.
Robots.txt Generator
OpenBuild a valid robots.txt file with visual rules, user-agent controls, and sitemap declaration.
Sitemap Validator
OpenValidate XML sitemaps for syntax errors, structure issues, and SEO best-practice compliance.
Slug Generator
OpenConvert any text to a clean, SEO-friendly URL slug — handles special characters, accents, and spaces.
social Tools
Social media tools
Tweet / X Post Generator
NewCreate realistic fake tweet mockups with custom profile, blue checkmark, metrics and dark/light mode.
Tweet to Image Converter
NewConvert tweet text to a beautifully designed image card — share quotes, testimonials, and posts on Instagram, LinkedIn, and Pinterest.
X (Twitter) Ad Revenue Calculator
NewEstimate your X (Twitter) creator ad revenue — understand the CPM model, payout thresholds, and revenue-per-impression math.
Vimeo Thumbnail Grabber
NewDownload the highest-resolution thumbnail from any public Vimeo video using the Vimeo oEmbed API.
YouTube Thumbnail Grabber
NewDownload thumbnails from any YouTube video in high quality.
text Tools
Text manipulation & formatting
ASCII Art Generator
NewConvert text to ASCII art using FIGlet-style fonts — create banners for code comments, README files, terminal scripts, and creative displays.
Bionic Reading Converter
NewConvert text to Bionic Reading format — bold fixation points guide your eyes for faster reading and better comprehension.
Case Converter
PopularConvert text between uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE instantly.
Text Diff Checker
PopularCompare two text blocks and see additions, deletions, and changes highlighted line-by-line using the Myers diff algorithm — like Git diff in a browser.
Duplicate Line Remover
OpenRemove duplicate lines from any text — with options for case sensitivity, sort, and keeping first or last occurrence.
Glitch Text Generator
NewAdd Unicode combining characters to text to create glitchy Zalgo effects — adjustable intensity for cyberpunk, horror, or creative aesthetics.
Latest from the Blog
Short, practical posts that explain the workflows behind the tools.

CSS Gradient Tips for Better UI
Learn how to make gradients look intentional, keep text readable, and use gradients as supporting UI structure rather than visual noise.

How to Check Color Contrast for Accessibility
A practical guide to checking contrast for text, buttons, and UI states without confusing AA, AAA, gradients, or large-text exceptions.

JSON Formatter vs Validator vs Viewer
Understand the difference between formatting JSON, validating it, and exploring it visually so you can pick the right tool for each debugging job.

Static vs Dynamic QR Codes Explained
Learn the practical difference between static and dynamic QR codes, when each type makes sense, and how that choice affects edits, analytics, and campaign workflows.
Missing a tool? Tell us.
We add new tools regularly based on what people actually need.
💡 Suggest a Tool