All Tools

Combine multiple PDF files into one. Drag to reorder pages before merging.

Split a PDF into multiple files by page ranges or extract individual pages.

Rotate all or selected pages in a PDF by 90°, 180°, or 270°.

Convert JPG, PNG, or WebP images to a PDF document quickly.

Convert PDF pages to high-quality JPG images. Download as a ZIP file.

Add page numbers to any PDF with custom position, font size, and prefix/suffix.

Add a text watermark to every page of a PDF with custom opacity and angle.

Reduce PDF file size by optimizing its structure. Typical reduction: 5–30%.

Add a password to your PDF to prevent unauthorized access and printing.

Remove password protection from a PDF. Only works if you know the current password.

Reduce image file size without visible quality loss. Supports JPG, PNG, and WebP.

Resize images to exact dimensions or by percentage. Maintains aspect ratio optionally.

Crop images to a custom area using drag handles. Supports fixed aspect ratios.

Rotate images 90°, 180°, 270° or flip horizontally and vertically.

Convert PNG images to JPG format with adjustable quality settings.

Convert JPG images to PNG format for lossless quality and transparency support.

Convert JPG or PNG images to WebP format for smaller file sizes on the web.

Convert iPhone HEIC photos to JPG format compatible with all devices.

Add a text watermark to images with custom position, opacity, and font size.

Convert one or multiple images to a PDF document. Supports JPG, PNG, and WebP.

Remove all EXIF metadata from images including GPS location, camera model, and timestamps.

Generate favicon PNG files at 16, 32, 48, and 64px from any image. Download as a ZIP.

Click any pixel in your image to sample its HEX, RGB, and HSL color values.

Remove the background from any image using AI. Runs entirely in your browser — outputs transparent PNG.

Count words, characters, sentences, paragraphs, and estimate reading time instantly.

Count characters with and without spaces. Ideal for tweets, bios, and character-limited fields.

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Generate placeholder Lorem Ipsum text by paragraphs or word count for mockups and designs.

Reverse any text character by character or line by line.

Remove all line breaks from text to create a single continuous paragraph.

Remove duplicate lines from text while preserving the original order.

Sort lines alphabetically, numerically, or by natural order. Ascending or descending.

Compare two texts and highlight added, removed, and changed lines side by side.

Find and replace text with support for regex, case-sensitive, and whole-word matching.

Convert Markdown to HTML or HTML back to Markdown. Bidirectional, browser-only, no upload required.

Check reading level with Flesch-Kincaid Reading Ease, Grade Level, and Gunning Fog index.

Count the words, characters, and sentences on any webpage. Get word count, character count, and estimated reading time.

Format, validate, and minify JSON. Shows error with line number for invalid input.

Encode text to Base64 or decode Base64 back to plain text instantly.

Encode special characters in URLs or decode percent-encoded URL strings.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input.

Generate random UUIDs (v4) using cryptographically secure random values.

Convert colors between HEX, RGB, HSL, and CMYK formats with live preview.

Generate strong, random passwords with custom length and character options.

Generate QR codes from any URL, text, or data. Download as PNG.

Decode JWT header and payload instantly. See all claims including expiry. No token leaves your browser.

Test regular expressions with live match highlighting. Supports named groups, flags, and all modern JavaScript regex features.

Convert YAML to JSON or JSON to YAML instantly in your browser. Bidirectional conversion with copy and download.

Parse any cron expression into a human-readable schedule description. Supports *, */n, ranges, and lists.

Find your public IP address, country, city, ISP, and timezone. Powered by Cloudflare — no third-party services.

Extract Open Graph, Twitter Card, and SEO meta tags from any URL. Preview how your link looks when shared on social media.

Look up DNS records for any domain. Query A, AAAA, MX, TXT, CNAME, and NS records using Cloudflare's public resolver.

Inspect the HTTP response headers for any URL. Check security headers, cache policy, content type, and more.

Check the HTTP status code and trace the full redirect chain for any URL. See every hop from start to final destination.

Download YouTube video thumbnails in all resolutions: max, high, medium, standard, and default quality.

Fetch YouTube video metadata: title, channel name, thumbnail, and embed dimensions via the oEmbed API.

Analyze the SEO meta tags of any webpage. Get a score, see what's missing, and fix title, description, canonical, H1, and OG image.

Shorten any URL instantly and get a permanent short link at aikitts.com/s/… with click tracking. No sign-up required.

Share code or text via an expiring paste link. Choose language and expiry (1–72 hours). No sign-up required.

Convert SVG files to PNG images in your browser. Choose output scale and download instantly.

Convert CSV files or pasted CSV data to JSON. Auto-detects comma, semicolon, or tab delimiters.

Convert a JSON array of objects to CSV format. Download the result as a .csv file.

Convert Excel (.xlsx, .xls) files to CSV in your browser. No upload — files stay local.

Convert YAML to JSON online. Browser-only, no server, supports full YAML 1.2 syntax.

Convert JSON to YAML online. Browser-only, produces clean indented YAML output.

Convert MP3 audio files to WAV format for lossless, uncompressed audio.

Convert WAV audio files to MP3 format with adjustable bitrate.

Trim audio files to a specific time range with a waveform visualizer.

Reduce audio file size by adjusting bitrate. Choose from preset quality levels.

Extract the audio track from any video file and save it as an MP3.

Convert a video clip to an animated GIF. Max 10 seconds, 480px width.

Trim video files to a specific time range without re-encoding quality loss.

Download any YouTube video thumbnail in all available resolutions — maxresdefault, hqdefault, and more.

Fetch title, channel, thumbnail, and dimensions for any YouTube video. Generate embed code instantly.

Generate customized YouTube iframe embed code with autoplay, mute, loop, and start time options.

Extract the channel ID or handle from any YouTube channel URL format instantly.

Split long text into numbered tweet threads respecting the 280-character limit. Copy or download.

Count characters Twitter-style: URLs count as 23, emoji count as 2. Visual progress ring included.

Calculate your Instagram engagement rate from followers, likes, and comments. Benchmark against industry averages.

Extract the audio track from a TikTok video file and download it as an MP3. All processing in your browser.

Adapt one piece of content for all 6 platforms simultaneously. Auto-trims to each platform's character limit with a copy button per card.

Search and copy emojis for social media posts. Organised by category with a recent-emojis tray persisted across sessions.

Build UTM-tagged URLs for social media campaign tracking. Generates a QR code and keeps a history of your last 10 links.

Calculate engagement rate for Instagram, TikTok, Twitter, LinkedIn, YouTube, or Facebook using the correct formula for each platform.

Measure the return on investment for social media campaigns. Supports direct revenue ROI and awareness/earned media value calculation.

Calculate influencer pricing for sponsored posts. Creator mode shows what to charge; brand mode shows what to pay — across all major platforms.

Score your social media presence across all major platforms with a weighted checklist. Get a priority improvement list and copy a summary report.

Create a free link-in-bio page with up to 20 links. Share one URL in your social media bio that links to everything.

Apply Unicode bold text to LinkedIn posts for emphasis. Includes hook analyzer, structure templates, and character count with 210-char preview cutoff.

Count characters for LinkedIn posts with a live feed preview showing the 210-character 'see more' cutoff. Covers posts, headlines, about sections, and more.

Score your LinkedIn profile across 6 dimensions — basics, about, experience, skills, recommendations, and activity — with prioritised improvement tips.