A growing suite of fast, privacy-first online utilities for developers, designers, and everyday tasks. No sign-up. No ads tracking you. Just tools that work.
Fast, private online tools that run entirely in your browser.
Format, minify, validate, and view JSON as a navigable tree with instant error reporting.
Generate QR codes for URLs, Wi-Fi credentials, vCards and email — download as PNG or SVG.
Generate strong, cryptographically secure passwords with length, character, and readability options.
Encode or decode Base64 for text and files, with URL-safe variant, UTF-8 support, and live preview.
Percent-encode any text or decode a URL-encoded string. Component / Full-URI / Form modes, UTF-8 safe, live preview, 100% in your browser.
Escape `& < > " '` to safe HTML entities, encode named (©) or numeric (©) entities, decode any entity back to plain text. Four modes, UTF-8 + emoji + CJK safe, in your browser.
Decode any JSON Web Token (header, payload, claims), verify HMAC signatures locally, or sign new tokens with HS256/384/512. Web Crypto, no upload, no log.
Build, test, and debug JavaScript regular expressions with live match highlighting, capture groups, replace mode, and a cheatsheet.
Compare two pieces of text or code side-by-side with line + word-level highlighting, ignore-whitespace, and unified or split views.
Calculate MD5, SHA-1, SHA-256, SHA-384, SHA-512, CRC32 hashes from text or files — live and client-side.
Live Markdown editor with split-screen preview, toolbar shortcuts, GFM, and syntax-highlighted code blocks.
Live word, character, sentence, paragraph, and reading-time counts. Plus X / SMS / SEO meta limits and word frequency.
Generate RFC 4122 v4 UUIDs (GUIDs) with multiple format options — cryptographically random.
Six flavors (classic, Bacon, Cupcake, Hipster, Cat, Pirate) × six output formats (paragraphs, sentences, words, lists, HTML, Markdown). Adjustable length, optional classic opening, one-click copy.
Convert any string to camelCase, PascalCase, snake_case, kebab-case and 8 more — all simultaneously. Plus a JSON-keys batch mode that recursively rewrites every key.
Minify JavaScript / CSS to strip comments and whitespace, or beautify obfuscated / one-line code into a readable form. Auto language detection, configurable indent. All in your browser.
Bidirectional JSON ↔ YAML converter built for k8s manifests, GitHub Actions, Docker Compose, helm values, ansible playbooks. Live conversion, idiomatic block-style output, multi-line string support. All in your browser.
Pretty-print, minify, and validate any XML — REST, SOAP, RSS, sitemaps, Maven, AndroidManifest. Line + column error reports, syntax-highlighted output. All in your browser.
Batch compress up to 20 JPG / PNG / WebP images and download them as a single ZIP.
Convert PNG, JPG, WebP, and AVIF in any direction. Drag, drop, download — all in your browser.
Resize JPG / PNG / WebP images by exact dimensions, %, longest side, or social-media preset — batch up to 20 in your browser.
Drag-to-crop with aspect-ratio presets (1:1, 4:5, 16:9, 9:16, 3:2), rotate, flip, export as PNG / JPG / WebP — all in your browser.
AI-powered background removal that runs entirely in your browser — batch up to 20 images.
Generate every iOS, Android, and Web icon size from one image, with live preview and ZIP download.
Pick visually or paste any value — HEX, RGB, HSL, OKLCH, OKLAB stay in sync. WCAG 2.2 contrast checker plus OKLCH-based palette generator.
Pick a base colour, get every classic harmony plus a Tailwind-style 50–950 tonal scale, all computed in OKLCH for perceptual uniformity. Lock and re-roll, export CSS / Tailwind v4 / SCSS / JSON tokens, download PNG. All in your browser.
Build linear, radial, and conic CSS gradients with unlimited stops, OKLCH-aware interpolation, 30+ presets, Tailwind v4 utility output, and JSON design tokens. Live preview, all in your browser.
Convert Unix timestamps (seconds or milliseconds) to readable dates, or any date back to epoch. ISO 8601, UTC, local time, and 10+ timezones in one view.
Stopwatch, countdown timer, and Pomodoro in one. Millisecond precision, lap times, fullscreen, alarm, browser notification, URL deep-links.
Countdown to any future date and time. Live days / hours / minutes / seconds, sharable URL deep-links, embeddable iframe for livestreams and blogs, alarm on zero.
Merge PDF files directly in your browser — drag to reorder, 100% client-side, no upload, no signup.
Paste CREATE TABLE + INSERT statements, edit rows inline, and download a clean.xlsx file.
Bidirectional CSV ↔ JSON converter with RFC 4180 parsing, type inference, nested-object flatten / unflatten, and Excel / XLSX support — all in your browser.
We built iKit because the average online tool today is built around your data, not your problem.
Every tool that can run client-side does. Your PDF, your photos, your JSON, your passwords — they get processed inside the same browser tab that loaded the page. No upload, no temporary copy on a server, no log line, no IP-linked record. You can disconnect the network after the page loads and most tools still work end-to-end.
Server-based tools always have round-trip latency, queue waits, and rate limits. By skipping the server entirely, an iKit operation starts the moment you drop the file. Compressing 20 images, generating an icon set, or parsing a 2 MB JSON happens in seconds — limited only by your CPU, not someone else's queue.
No sign-up, no email harvest, no "upgrade for full features", no daily quota, no watermark. iKit is in the simple sense: open the page, do the thing, close the tab. We're transparent about how it stays — non-tracking display ads, period — and we don't gate the actual tools.
Here's exactly what happens when you use any iKit tool — no black boxes.
Your browser fetches a static HTML page plus a small JavaScript bundle (typically 50–500 KB depending on the tool). Heavy dependencies — like the WebAssembly model behind Background Remover or pdf-lib for PDFs — only load when you actually open that specific tool, never on the home page.
When you drop a file or paste text, the data is read directly into JavaScript memory using browser APIs (FileReader, ArrayBuffer, OffscreenCanvas). Nothing is uploaded — there is no POST request to our servers, you can verify this in your browser's DevTools → Network tab while the operation runs.
The actual work — compression, encoding, image analysis, OCR, hashing — happens on your CPU in a Web Worker or on the main thread. We use battle-tested open-source libraries (pdf-lib, pdf.js, Tesseract.js, mozjpeg, Squoosh codecs, the Web Crypto API) so the underlying algorithms are auditable.
The result is held in browser memory until you click Download or Copy. Triggering the download creates a Blob URL with URL.createObjectURL and saves it via a virtual <a> click. The blob is garbage-collected as soon as you leave the page — there's nothing left behind on either side.
If you're a developer and want to verify any of this for yourself, every page is open to view-source and the network panel will stay empty during the actual operation. We've documented the architecture in detail on the iKit blog.
Step-by-step guides, tool comparisons, and developer deep-dives — updated daily.
When an API returns 401 Unauthorized in 2026, the JWT is usually the smoking gun. Decode the token, read exp, aud, iss — and fix the bug in 90 seconds.
Converting a Unix timestamp to a date is one division operation, but the timezone you format it in is the whole bug. Here's how to get it right.
RFC 3986 names just 66 characters as unreserved — and most encoders mishandle the rest of printable ASCII. Here's what each one actually is, and why it matters.
iKit is a small, growing collection of online tools — the kind of utilities you reach for during a workday and wish were cleaner, faster, and didn't harvest your data.
Every tool is built with the same philosophy: run in your browser whenever possible, never upload private data to a server, work in 25 languages including RTL scripts (Arabic, Persian, Urdu), and stay fully — no paid tiers, no hidden quotas, no paywalls.
We started with JSON Decoder. Today the suite covers images, QR codes, SQL-to-Excel, AI background removal, and app icon generation. New tools are added regularly.
Client-side processing wherever possible. Your files and data never leave your device.
No sign-up, no install, no data leaving your device. Open the page and start working.
Native translations, automatic browser-language detection, and full RTL support for Arabic, Persian, Urdu.