Pikden is a collection of 48 free tools for compressing and resizing images, merging and converting PDFs, formatting JSON, counting words, and everyday calculations. Every tool runs entirely in your browser: your files are processed on your own device and are never sent to a server. No sign-up, no watermarks, no limits.
Reduce image file size with adjustable quality and optional downscaling while keeping visual clarity. Convert between JPG, PNG and WEBP in the same step.
Quickly resize image dimensions by exact pixels, percentage, or one-click social media platform templates (Instagram, LinkedIn, YouTube, X).
Fine-tune brightness, contrast, saturation, hue, blur, and sepia. Apply one-click cinematic aesthetic presets like Cyberpunk, Vintage, and Noir.
Erase a white, black, green-screen or other solid-color background by picking the color and adjusting tolerance and edge smoothing. Best for logos, icons, signatures and product shots on plain backdrops. Exports a transparent PNG.
Analyze any photo to extract dominant color swatches, copy Hex/RGB/HSL codes, and preview harmonious design color palettes.
Protect your creative photos by overlaying customized typography, brand marks, rotation angles, opacity, or repeating tiled watermarks.
Convert images into inline Base64 data URLs for HTML/CSS embedding, or decode existing Base64 strings into downloadable files.
Inspect image properties including resolution, megapixels, aspect ratios, estimated print sizes at 300 DPI, and mime characteristics.
Crop any image to exact pixel dimensions or use preset aspect ratios like 1:1, 4:3, 16:9, and 3:2. Aspect ratio lock keeps your crop perfectly proportioned.
Sample exact pixel colors from any image with a click. Instantly shows HEX, RGB, and HSL values with one-click copy. Hover preview and recent color history included.
Rotate images by 90°, 180°, or any custom angle with a smooth slider. Flip horizontally or vertically. All transformations render in real time with a canvas preview.
Render and convert SVG vector graphics or raw markup to crisp, high-resolution PNG, JPEG, or WebP raster images. Customize scale multiplier and dimensions with transparent background support.
Generate high-res memes instantly in your browser. Choose from popular meme templates or upload your own photo, adjust top and bottom captions, outlines, font sizes, and export watermark-free.
Draw to pixelate, blur, or blackout sensitive information on photos and screenshots. Multiple redactions, adjustable block size, and 100% private in-browser canvas processing.
Turn raw screenshots and photos into polished social media mockups. Customize corner radius, circular avatar crops, outer border strokes, drop shadows, and vibrant gradient backdrops.
Slice any graphic into a grid of tiles for Instagram profiles, panoramic carousel posts, or multi-tile collages. Preview numbered grid tiles and download all slices zipped in one click.
Transform any logo or graphic into a complete multi-resolution favicon bundle (16x16, 32x32, 48x48, 180x180, 192x192, 512x512). Includes live simulated browser tab preview and HTML snippets.
Transform text across multiple case conventions, clean up excess whitespace, and slugify URLs in one click.
Real-time text statistics including word count, character count, estimated reading & speaking time, paragraphs, and keyword density.
Format unreadable JSON into clean, indented code, validate syntax errors with line numbers, or minify payloads for production.
Spot modifications, additions, and deletions between two text documents with clear visual highlighting.
Real-time Markdown editor with live HTML preview. Supports headings, bold, italic, lists, code blocks, blockquotes, links, and images. Copy rendered HTML instantly.
Generate Lorem Ipsum placeholder text in words, sentences, or paragraphs. Toggle "Lorem ipsum..." opening, HTML wrapping, and shuffle for fresh content every time.
Write and test regular expressions with real-time match highlighting. Shows all match groups, indices, and flags. Includes quick-insert patterns for common use cases.
Convert plain text to Base64 and decode Base64 strings back to text with flawless UTF-8 Unicode, emoji, and non-ASCII support. Features URL-safe mode, hex inspect, and live character stats.
Transform article titles into clean, search-engine-friendly URL slugs with custom separators and stop-word filtering. Includes URL component encoding/decoding and query parameter inspector.
Merge two or more PDF files into a single document. Reorder pages and files with instant client-side processing.
Extract select pages or page ranges (e.g. 1-3, 5) from any PDF document into a new downloadable file.
Convert one or multiple images into a multi-page PDF document with custom page sizes and orientation.
Permanently rotate PDF pages by 90°, 180°, or 270° clockwise. Apply to all pages or odd/even pages.
Upload a PDF, see thumbnail previews of every page, then cherry-pick which pages to keep. Download the extracted pages as a new PDF instantly.
View and edit PDF metadata fields including Title, Author, Subject, Creator, and Keywords. Save updated metadata back into the PDF and download the clean file.
Render every page of a PDF as a high-quality JPG. Choose quality and resolution scale, preview thumbnails, and download all images at once or one by one.
Add clean, customizable page numbers to any PDF document. Configure header or footer placement, custom numbering formats like Page X of Y, margins, font sizes, and skip cover pages.
Read and extract text from every page of a PDF directly in your browser. Inspect page by page or export the full document to a clean TXT file. Includes live word count and keyword search.
Advanced browser calculator supporting standard math, trigonometric functions, logarithms, powers, and history.
Calculate monthly payments, total interest paid, and yearly amortization schedule for mortgages and personal loans.
Multi-function percentage utility for percent differences, retail discounts, sales tax, and restaurant bill splitting.
Real-time two-way conversion across metric and imperial units of length, weight, temperature, digital data, area, and speed.
Enter a date of birth to get exact age in years, months, and days. Also shows total days, hours, minutes, next birthday countdown, day of birth, and zodiac sign.
Calculate Body Mass Index in metric or imperial units. Displays a visual gauge, your health category (underweight to obese), and your ideal weight range.
Enter a bill amount, choose a tip percentage, and split among any number of people. Shows tip amount, total, per-person share, and optional rounding.
Forecast the exponential growth of your investments and savings. Supports periodic deposits, annual return rates, variable compounding intervals, and a complete year-by-year amortization breakdown.
Find out exactly how much you pay and save on sales. Supports percentage and fixed discounts, double-stacked extra coupons, sales tax rates, and multi-quantity cart totals.
Calculate the exact number of days, weeks, months, and business days between any two dates. Or add and subtract years, months, and days from any starting date.
Create uncrackable passwords using the browser Crypto API. Customize character types, exclude ambiguous symbols, check NIST entropy in real-time, and generate in bulk.
Calculate cryptographic digests including SHA-256, SHA-512, SHA-384, SHA-1, and HMAC signatures client-side using native Web Crypto. Verify file checksums without uploading.
Instantly generate RFC 4122 version-4 UUIDs. Supports bulk generation up to 500, uppercase/lowercase toggles, with or without hyphens, curly braces, and JSON array formatting.
Client-side audio compressor, vocal isolator, and Whisper WebAssembly transcription.
Fast client-side video trimmer, GIF converter, and MP4 compressor via WebAssembly.
Client-side JWT decoder and inspector for tokens, claims and expiry times.