All tools

Free PDF merger online — combine multiple PDFs with no signup.

Extract page ranges (e.g. 1-3,5,8) online free — no upload required.

Shrink PDF file size online free for email and uploads.

Rotate PDF pages by 90°, 180°, or 270° in your browser.

Remove simple PDF restrictions locally when possible.

Add a protection note to PDFs in-browser (limits disclosed).

Convert PDF pages to JPG images in your browser.

Turn JPG/PNG images into a single PDF document.

Combine multiple images into one PDF, one page each.

Add a text watermark across every PDF page.

Stamp page numbers on every page of a PDF.

Resize with lock-aspect, custom size, and social presets (IG, YT, avatar).

Compress images with quality control and before/after size comparison.

Interactive crop with free, square, circle, ellipse, ratio, and strip styles.

Rotate images by 90°, 180°, 270°, or a custom angle.

Flip images horizontally, vertically, or both.

Convert PNG images to JPG format.

Convert JPG images to PNG format.

Convert images to modern WEBP format.

Rasterize images to PNG (SVG upload support via browser).

Convert iPhone HEIC photos to JPG in your browser.

AI background remover in your browser (open-source ONNX) — transparent PNG, no upload.

Replace photo backgrounds with a solid color, gradient, or another image — AI cutout in-browser.

Grayscale, sepia, warm/cool looks plus brightness, contrast, and saturation controls.

Soft-blur photos in your browser for backgrounds or privacy.

Pixelate faces or details for privacy with adjustable block size.

Add colored borders and optional rounded corners, then download PNG.

Extract dominant colors from any photo for design and branding.

Resize/crop images to the 1280×720 YouTube thumbnail size.

Add text/logo watermarks or paint-remove them — free, private, in-browser.

Add text/logo watermarks to video or remove them with FFmpeg delogo — free in-browser.

Cut a video clip by start and end time in your browser.

Compress videos with H.264 CRF quality control — free & private.

Convert videos to MP4, WebM, or animated GIF free in-browser.

Extract MP3 audio from any video file in your browser.

Join multiple video clips into one MP4 — free & private.

Speed up or slow down video from 0.25x to 4x with audio tempo.

Rotate 90/180/270°, flip, or mute a video in your browser.

Export browser & app-ready MP4: H.264, yuv420p, AAC, +faststart streaming.

Convert to WebM (VP9 + Opus) for modern browsers and smaller web delivery.

Make palette-optimized GIFs for docs, landing pages, and changelogs.

Extract a JPG poster frame at any timestamp for HTML5 video or app UI.

Scale videos to 480 / 720 / 1080 / 1280 max width for sites and apps.

Generate HTML and React <video> snippets with poster, autoplay, and loop options.

Live character limits for YouTube titles (100) and descriptions (5000).

Clean, count, and copy YouTube tags within the ~500 character budget.

Format timestamps into YouTube chapters for your description.

Extract video ID, embed URL, and thumbnail links from any YouTube URL.

Estimate spoken length for YouTube scripts with adjustable WPM.

Pixel sizes for 16:9, Shorts 9:16, square, IG 4:5, and custom ratios.

Crop to 2560×1440 channel art with TV/desktop/mobile safe-area guides.

Estimate Mbps from file size/duration, or size from a target bitrate.

Convert XLSX sheets to CSV in your browser.

Turn CSV files into downloadable XLSX workbooks.

Export spreadsheet rows as a JSON array of objects.

Paste a JSON array and download an XLSX file.

Combine multiple Excel/CSV files into one workbook.

Download each worksheet as its own Excel file.

Deduplicate rows by the columns you choose.

Export spreadsheet rows to a simple PDF table.

Find and replace text across spreadsheet cells.

Split one column into parts using a delimiter.

Merge selected columns into one with a separator.

Free word counter — words, characters, lines, sentences.

Track characters with and without spaces for SEO and social limits.

Convert text to upper, lower, title, camel, snake, or kebab case.

Deduplicate text lists while preserving first occurrence order.

Find and replace text with optional regex, then copy the result.

Sort, reverse, or uniquify lines of text instantly.

Generate one or many UUID v4 identifiers.

Test regular expressions against sample text.

Compare two texts line by line and highlight changes.

Decode JWT header and payload without verifying signatures.

Build and explain 5-field cron schedules with presets.

Encode or decode HTML entities locally.

Convert px to rem/em using your root font size.

Convert decimal to binary, octal, and hexadecimal.

Break a URL into host, path, hash, and query parameters.

Toggle rwx permissions and get octal chmod values.

Quick reference for common HTTP response codes.

Combine Node, Next.js, Python, Flutter, and Go .gitignore templates.

Trim and sort keys in a .env file for cleaner commits.

Turn CSV into a GitHub-ready markdown table.

Generate mock users with UUID, name, email, and phone as JSON.

Design box-shadows with live preview and copyable CSS.

Free EMI calculator — estimate monthly loan payments instantly.

Compute body mass index from height and weight.

Free age calculator — exact age in years, months and days.

Find what percent of a number equals quickly.

See savings and final price after a discount percent.

Estimate monthly payments for personal or home loans.

Add GST to a net amount and see tax plus total.

Compute VAT from net amount and rate.

Estimate take-home pay from gross, tax, and deductions.

Convert currencies with live Frankfurter exchange rates.

Estimate basal metabolic rate (Mifflin–St Jeor).

Estimate daily water needs from body weight.

Estimate pregnancy due date from LMP and cycle length.

See current pregnancy week, trimester, and days remaining.

Estimate ovulation day and fertile window from your cycle.

Predict next period dates and fertile days from cycle length.

Estimate conception date from due date or last period.

See recommended pregnancy weight gain ranges by BMI and week.

Count fetal movements with a timer; sessions stay on your device.

Estimate daily calorie needs by trimester and activity level.

Estimate healthy weight ranges with Devine/Robinson and BMI bands.

Count days remaining until your estimated due date.

Generate boy, girl, or neutral baby name ideas.

Project upcoming periods from cycle length and LMP.

Turn titles into SEO-friendly URL slugs.

Generate title, description, Open Graph, and Twitter tags.

Build a robots.txt with allow, disallow, and sitemap.

Convert a URL list into XML sitemap markup.

Create basic JSON-LD schema snippets for your site.

Build campaign URLs with UTM source, medium and campaign.

Check how often a keyword appears in your text.

Preview social share cards and copy OG meta tags.

Free QR code generator — download PNG for URLs and text.

Pick colors and copy HEX, RGB, and HSL values.

Build CSS linear gradients and copy the code.

Pretty-print or minify JSON with validation feedback.

Validate JSON and see clear parse errors.

Encode or decode Base64 strings with Unicode support.

Percent-encode or decode URL components safely.

Create SHA-1, SHA-256, and SHA-512 hashes with Web Crypto.

Convert Unix timestamps to ISO dates and back.

Build wa.me links with phone and optional prefilled message.

Generate strong random passwords in your browser.

Generate placeholder paragraphs for design mockups.

Write Markdown and preview sanitized HTML instantly.

Turn keywords into ready-to-paste social hashtags.

Count characters for Instagram bios (150 limit).

Convert numbers to English words for invoices and cheques.

Create a simple invoice PDF with items, tax and totals.