10015 Tools
10015.io is an all-in-one toolbox of 70+ free online utilities covering text manipulation, image editing, CSS generators, code formatting, colour design, and social-media mockup makers — all running in the browser with no signup.
Developer Tools(17)
Barcode Generator
Generates standard barcodes (Code 128, EAN-13, UPC-A, and others) from numeric or alphanumeric input.
CSS Formatter
Reformats CSS with one rule per line and consistent indentation, improving readability for code review and debugging.
CSS Minifier
Compresses CSS by removing whitespace and comments while preserving correctness, often cutting file size 30-50%.
Code to Image Converter
Renders a code snippet as a polished image with syntax highlighting and a window-style background — ideal for social ...
HTML Encoder / Decoder
Escapes HTML special characters to their entity equivalents and reverses the operation for safe display of source.
HTML Formatter
Beautifies HTML with consistent indentation and line breaks, making source easier to read and review.
HTML Minifier
Strips whitespace, comments, and redundant attributes from HTML to produce a minimal payload for faster page loads.
JSON Tree Viewer
Renders JSON as a foldable tree for browsing nested structures, with syntax highlighting and key search.
JWT Encoder / Decoder
Encodes a JWT from header + payload + secret, and decodes existing JWTs to reveal claims and signature.
JavaScript Formatter
Pretty-prints JavaScript with configurable indentation and brace style, useful for working with minified third-party ...
JavaScript Minifier
Minifies JavaScript by removing whitespace and shortening identifiers, reducing bundle size with no behavioural change.
Open Graph Meta Generator
Generates Open Graph meta tags from your title, description, image, and URL so social-platform link previews render c...
QR Code Generator
Generates QR codes for URLs, text, or contact data with customisable colours and downloadable PNG output.
React Native Shadow Generator
Generates iOS and Android shadow styles for React Native, returning copy-paste-ready style objects.
URL Encoder / Decoder
Percent-encodes URL components and decodes percent-encoded strings, handy for query parameters and special characters.
URL Slug Generator
Converts arbitrary text to URL-safe slugs, lowercasing and stripping diacritics, with configurable separator.
YouTube Thumbnail Grabber
Extracts the thumbnail image from any YouTube video URL at the highest available resolution.
HTML & CSS Tools(12)
CSS Background Pattern Generator
Generates CSS-only repeating background patterns — stripes, dots, grids — with adjustable colours and spacing.
CSS Border Radius Generator
Independently adjust each corner's border-radius to design custom rounded shapes, with live preview of the result.
CSS Box Shadow Generator
Visual editor for CSS box-shadow values with multi-layer stacking and live preview against your background.
CSS Checkbox Generator
Builds styled checkbox inputs with custom shape, colour, and animation — no JavaScript required.
CSS Clip Path Generator
Visually constructs CSS clip-path values to crop elements into polygons, circles, or custom shapes.
CSS Cubic Bezier Generator
Interactive editor for cubic-bezier easing curves, with live animation preview alongside the generated CSS value.
CSS Glassmorphism Generator
Builds frosted-glass UI cards with adjustable blur, opacity, and border, outputting copy-paste-ready CSS.
CSS Gradient Generator
Visually builds linear and radial CSS gradients with multi-stop colour control and live preview.
CSS Loader Generator
Generates pure-CSS loading spinner animations with adjustable colour, size, speed, and shape variants.
CSS Switch Generator
Generates pure-CSS toggle switches with adjustable track and handle styling for native-looking UI without JS.
CSS Text Glitch Effect Generator
Generates animated CSS glitch effects for text headlines with adjustable speed, intensity, and colour offsets.
CSS Triangle Generator
Generates pure-CSS triangles in any direction using the border trick, with adjustable size and colour.
Fun & Games(12)
Fake IBAN Generator
Generates valid-formatted but fictional IBAN numbers for testing payment integrations and form validation.
Instagram DM Generator
Fabricates fake Instagram DM screenshots, useful for design mockups and absolutely not for spreading misinformation.
Instagram Filters
Applies Instagram-style filters to your photos, mimicking the platform's look without uploading anywhere.
Instagram Photo Downloader
Downloads public Instagram post images from their URL, saving them to your device at the original resolution.
Instagram Post Generator
Creates mock Instagram feed posts with custom username, image, caption, and like count for design comps or jokes.
Instagram Story Generator
Generates fake Instagram stories with configurable user, text, and visuals — for mockups or pranks only.
Tweet Generator
Generates fake tweets with custom username, avatar, body, and engagement counts — for mockups and gags.
Tweet to Image Converter
Converts a real or fake tweet into a shareable image with a customisable background.
Twitter Ad Revenue Generator
Generates fake X/Twitter ad-revenue payout screenshots for parody and entertainment purposes.
Vimeo Thumbnail Grabber
Extracts thumbnail images from a Vimeo video URL in multiple resolutions.
WhatsApp Chat Generator
Creates fake WhatsApp chat screenshots with customisable participants, timestamps, and message styling.
iMessage Chat Generator
Generates fake iMessage conversation screenshots with iOS-accurate styling for mockups and design work.
Image Tools(11)
Image Average Color Finder
Computes the average colour of an uploaded image, returning HEX and RGB values for use in matching designs.
Image Caption Generator
Generates a descriptive caption for an uploaded image using AI vision, useful for alt text and accessibility.
Image Color Extractor
Extracts the dominant colour palette from an image, returning HEX and RGB values for each detected swatch.
Image Cropper
Crops an image to a chosen rectangle entirely in the browser, with free-form or aspect-ratio-locked selection.
Image Filters
Applies adjustable filter effects — blur, brightness, contrast, saturation, hue rotation — and downloads the result.
Photo Censor
Pixelates, blurs, or blacks out selected regions of a photo to redact faces or sensitive details before sharing.
SVG Blob Generator
Generates random organic blob SVGs with adjustable complexity and curvature for backgrounds and decorative shapes.
SVG Pattern Generator
Builds repeating SVG patterns with customisable shapes, colours, and density, downloadable for design use.
SVG Stroke to Fill Converter
Converts SVG strokes into solid fills so the resulting paths render consistently across viewers that don't support st...
SVG to PNG Converter
Rasterises an SVG to PNG at a chosen size, useful when a tool or platform doesn't accept vector inputs.
Scanned PDF Converter
Transforms a clean PDF or image into one that looks scanned — slight rotation, contrast, and noise — for an authentic...
Security(8)
Base64 Encoder / Decoder
Encodes text to Base64 and decodes Base64 back to text, with support for URL-safe variants and binary input.
MD5 Hash Generator
Computes an MD5 hash of input text, returning a 32-character hex digest — useful for compatibility with legacy systems.
SHA-1 Hash Generator
Computes a SHA-1 hash of input text. Note that SHA-1 is deprecated for cryptographic use but still common in legacy c...
SHA-224 Hash Generator
Computes a SHA-224 hash — a truncated SHA-256 variant — for input text or files.
SHA-256 Hash Generator
Computes a SHA-256 hash, returning a 64-character hex digest. The current default for general-purpose cryptographic h...
SHA-384 Hash Generator
Computes a SHA-384 hash — a truncated SHA-512 variant — for input text or files.
SHA-512 Hash Generator
Computes a SHA-512 hash, returning a 128-character hex digest for higher-strength integrity checks and signing.
Strong Random Password Generator
Generates strong random passwords with configurable length and character classes, plus a live strength estimate.
Color(6)
AI Color Palette Generator
Generates harmonious colour palettes using AI, with options to match a base colour or design mood.
Color Mixer
Blends two colours across a number of intermediate steps, returning each step's HEX and RGB values.
Color Shades Generator
Generates a graduated set of tints and shades from a base colour, useful for building a consistent palette.
HEX to RGBA Converter
Converts a HEX colour value to its RGBA equivalent with adjustable alpha channel.
Image Color Picker
Picks the colour at any pixel of an uploaded image, returning HEX, RGB, and HSL values for the chosen point.
RGBA to HEX Converter
Converts RGBA colour values back to HEX notation, with optional alpha encoded as a hex suffix.
Text & String Tools(5)
Bionic Reading Converter
Reformats text in the bionic-reading style, bolding the leading letters of each word to help speed reading.
Google Fonts Pair Finder
Suggests complementary Google Font pairings for headings and body text, with live previews of each combination.
Letter Counter
Counts letters, words, sentences, and paragraphs in any text block, with per-character frequency breakdowns.
Multiple Whitespace Remover
Strips extra spaces, tabs, and blank lines from text — useful for cleaning up content copy-pasted from PDFs or emails.
Text to Handwriting Converter
Renders typed text as a handwriting-style PDF you can download — useful for design comps or playful notes.