All Free Online Tools

Free online PDF editor: edit existing text, highlight and mark up, fill forms, sign, redact, organize pages, and export to PDF, Word, Excel, or image.

Check a PDF for tags, alt text, headings, table headers, and language against WCAG criteria.

Reduce PDF file size without losing quality.

Combine multiple PDF files into one document, with an optional compress & merge mode.

Extract pages from a PDF into separate files.

Convert PDF pages to JPG, PNG, or WebP images with adjustable DPI.

Convert PDF to an editable Word (DOCX) document with paragraphs, headings, lists and real tables preserved, entirely in your browser.

Convert a PDF into a real, openable .pptx that looks identical to the original with fully editable text, plus exact-image and clean text-only modes. One slide per page, in your browser.

Extract tables from PDF documents into Excel (XLSX) spreadsheets.

Password-encrypt PDFs with AES and set granular permissions.

Remove restrictions from PDF files.

Convert scanned PDFs and images into searchable documents with high-accuracy AI OCR, automatic language detection across 40+ languages, all in your browser.

AI-summarize any PDF or image: TL;DR, key points, action items & FAQ, in any language. Scanned files are OCR-read automatically, then chat with your document.

Convert multiple images (JPG, PNG, WebP) into a single PDF document.

Convert Word documents (DOCX, TXT) to PDF with preserved formatting and structure.

Convert a real PowerPoint (.pptx) into PDF, one page per slide with text and images at their positions. Free and watermark-free.

Convert real Excel (.xlsx/.xls) or CSV files into a clean PDF: multi-sheet, auto-fit columns, styled tables. Runs in your browser.

Extract all text content from PDF documents.

Convert any web page URL or HTML file to PDF. Pixel-perfect mode renders the live page in a real browser so the PDF looks exactly like the site (CSS, fonts, JS), or use lightweight selectable-text mode for articles and docs.

Crop PDF pages by dragging to select the area to keep.

Add a signature block to a PDF document.

Add text or image watermarks to PDF files with customizable opacity, rotation, and placement.

Rotate PDF pages to any orientation.

Reorder PDF pages into the sequence you need.

Repair and re-save damaged PDF files with a clean structure.

Save PDFs with archival-friendly metadata and structure.

Add customizable page numbers to your PDF with flexible positioning and formatting.

Remove selected pages from a PDF and download a clean copy.

Extract selected PDF pages into a separate document.

Compare two PDFs and download a page-by-page report.

Flatten PDF form fields, annotations, comments and layers into static content.

Edit PDF metadata including title, author, subject, keywords, creator and producer fields.

Reverse the page order of your PDF document with visual order preview.

Apply redaction bars to sensitive PDF content areas.

Fill existing PDF form fields or draw your own (text, checkbox, dropdown, radio, signature and date), then download an interactive or flattened PDF.

Full layered photo editor: layers, blend modes, masks, brush, text, shapes, adjustments, filters, plus AI background removal, upscale & generate. Export PNG/JPG/WebP/AVIF/JXL.

Free online video editor: multi-track timeline, trim, split, text & titles, transitions, transforms, colour grade and audio. Export MP4/WebM at full resolution. No watermark, no upload.

Generate stunning high-quality images from text prompts using advanced AI models.

Reduce image file size with adjustable quality, compression presets, and JPG/WebP output.

Resize images with aspect ratio lock, social media presets, and multiple resize modes.

Design, generate with AI, or resize an app icon into every size iOS, Android, macOS and the web need.

Crop images with interactive preview, aspect ratio presets, and rule-of-thirds grid.

Convert images between any formats, PNG, JPG, WebP, AVIF, JPEG-XL, HEIC, GIF, BMP and TIFF, free in your browser. Batch convert and download as ZIP.

Convert a URL or your own HTML to a pixel-perfect PNG/JPG, every style, font and layout preserved.

Remove image backgrounds with AI segmentation, logo-safe edge cleanup, and sharp transparent PNG output.

Upscale soft or dull photos with fast 2x cleanup and 4x high-quality AI restoration.

Vectorize JPG, PNG, and WebP images into true SVG paths, ideal for logos and flat art.

Convert images to Base64 encoded strings with Data URI, HTML, and CSS output.

Rotate images by 90, 180, 270 or any custom angle with live preview.

Flip images horizontally or vertically with instant mirror effect.

Apply grayscale, sepia, blur, brightness, contrast, and 8+ visual filters with live preview.

Add a text watermark to your images with customizable font, opacity, color, rotation, and tiled placement.

Pick colors from any image; get HEX, RGB, and HSL values with color history.

Convert color images to grayscale using luminosity, average, or lightness methods.

Extract dominant colors from images using color quantization with downloadable palette.

Resize hundreds of images at once to a target width and download them all as a ZIP.

Turn a sequence of images into an animated GIF with adjustable frame delay and live preview.

Add smooth rounded corners to any image and export a transparent PNG.

Run a full live SEO audit of any URL: overall score plus an AI-search (AEO/GEO) score, metadata, technical, speed (Core Web Vitals), security & structured-data checks, and a point-by-point improvement roadmap.

Test your website's speed on mobile & desktop: real Google Lighthouse scores, real-user Core Web Vitals (LCP, INP, CLS), TTFB & server checks, loading filmstrip, page-weight breakdown, and prioritized fixes.

Crawl your whole website for a per-page SEO audit: missing or duplicate titles & meta descriptions, missing H1s, broken links, noindex pages, redirect chains, thin content and images without alt text. A free on-page site crawler.

Validate, fix & generate meta tags in one place: live-page audit, pixel-accurate desktop & mobile SERP previews, meta-readiness score, and export as HTML, Next.js or React Helmet.

Validate & preview Open Graph and Twitter/X card tags for Facebook, LinkedIn, X, Slack & more, from a live URL or by hand.

Validate & generate JSON-LD structured data, audit any URL's schema against Google Rich-Results rules, edit it live, or build new markup for 15+ types with a readiness score.

Validate, build & fix XML sitemaps, fetch any sitemap or crawl your site, edit URLs live with health checks, and export a compliant sitemap.xml.

Preview your page in Google on desktop & mobile with pixel-accurate truncation, keyword bolding and rich-result simulation.

Analyze keyword frequency and density in your content.

Get a complete on-page audit with weighted score, keyword analysis & optimization tips.

Analyze readability across six formulas with grade level & suggestions.

Audit, build and test robots.txt, fetch any site's file, control AI & search crawler access, and path-test rules like Google does.

Generate Apache, Nginx & Caddy rules for redirects, security & compression.

Live word, character, sentence & paragraph counter with reading/speaking time, length-goal tracking (tweet, SEO title, essay) and keyword density.

Convert text into 17 casing styles: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, CONSTANT_CASE and more, with smart acronym handling.

Deduplicate lines with case-insensitive & trim matching, keep first/last, find-only-duplicates and show-unique modes, plus occurrence counts.

Sort lines alphabetically, numerically, naturally, by length or randomly, with case-insensitive, dedupe, trim and reverse options for lines, commas or spaces.

Rewrite AI-generated text to sound more natural, human, and readable with adjustable tone, purpose, and clarity controls.

Generate classic placeholder text, paragraphs, sentences, words or list items, with optional HTML wrapping and one-click copy or download.

Convert text to and from binary, hexadecimal, octal, decimal and Base64 with Unicode-safe encoding and one-click decode.

Bulk find & replace with regex, capture groups ($1), whole-word and case matching, multiple rules applied in sequence, and a live match count.

Cryptographically secure passwords, passphrases, PINs, hex, API keys and custom strings with an entropy strength meter and bulk generation.

Compare two texts with line and word-level diff, inline or side-by-side view, ignore case/whitespace, fullscreen mode and a downloadable diff.

Extract clean plain text from HTML, decode entities, preserve links & line breaks, keep a whitelist of basic tags, and count tags removed.

Clean spaces, tabs, blank lines and invisible Unicode characters with Tidy and Minify presets and a live characters-removed count.

Pull every email address from text, dedupe, sort, lowercase, filter by domain, group counts by domain and export to TXT or CSV.

Extract links from text, dedupe, sort, group by domain, strip tracking parameters (utm, fbclid, gclid) and export to TXT or CSV.

Spell numbers in words in the International and Indian (lakh/crore) systems, with currency, ordinal, decimals and UK/US styling.

Deep text analysis: Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau & ARI grade levels, syllables, composition and word frequency.

Repeat any text or line N times with custom separators, per-line numbering and spacing, great for testing, filler and templates.

Strip or convert line breaks and intelligently unwrap hard-wrapped paragraphs while keeping real paragraph breaks and list items intact.

Reverse text by characters, words or lines, reverse each line, or flip text upside-down and mirror it with Unicode, copy instantly.

Translate text to and from Morse code with adjustable-speed audio playback, full punctuation support and one-click copy.

Count word and phrase frequency with 1-, 2- and 3-word n-grams, stop-word filtering, density percentages and CSV export.

Shuffle a list or pick random winners fairly with crypto-grade randomness, perfect for raffles, giveaways, decisions and sampling.

Encode and decode text with ROT13, Caesar shift, Atbash and Vigenère ciphers, case-preserving and beginner-friendly.

Turn text into 15+ copy-paste Unicode styles: 𝐛𝐨𝐥𝐝, 𝑖𝑡𝑎𝑙𝑖𝑐, 𝓈𝒸𝓇𝒾𝓅𝓉, 𝔡𝔬𝔲𝔟𝔩𝔢-𝔰𝔱𝔯𝔲𝔠𝔨, Ⓒⓘⓡⓒⓛⓔⓓ, ａｅｓｔｈｅｔｉｃ and more for bios and posts.

Convert between meters, feet, inches, and more.

Convert between kg, lbs, ounces, and more.

Convert between world currencies.

Convert between Celsius, Fahrenheit, and Kelvin.

Convert between seconds, minutes, hours, and more.

Convert between km/h, mph, knots, and m/s.

Convert between sq meters, sq feet, acres, and hectares.

Convert between liters, gallons, cups, and more.

Convert between bytes, KB, MB, GB, and TB.

Convert between PSI, bar, atm, and Pascal.

Convert between joules, calories, kWh, and BTU.

Convert between binary, octal, decimal, and hex.

Convert times between different world timezones.

Convert between HEX, RGB, HSL, and CMYK.

Convert Unix timestamps to dates and back.

Convert cooking measurements (cups, tbsp, ml).

Convert between px, em, rem, %, pt, cm units.

Convert between Mbps, Gbps, MB/s, and GB/s.

Convert between degrees, radians, gradians, and turns.

Detect aspect ratios, calculate dimensions for 16:9, 4:3, 21:9 and more.

Calculate repayment details with amortization schedule & visual breakdown.

Calculate EMI with payment breakdown chart & formula display.

Calculate CAGR with growth projection & rate comparison.

Calculate GST with CGST/SGST split, inclusive/exclusive & rate comparison.

Calculate exact age with milestones, zodiac sign & fun facts.

Calculate percentages, increases & decreases with quick reference.

Calculate tips, split bills & compare tip percentages.

Calculate stacked discounts with savings breakdown & quick table.

Convert salary between hourly/monthly/annual with tax estimation.

Calculate home loan payments with taxes, insurance & amortization.

Project retirement savings with inflation & 4% withdrawal rule.

Estimate income tax with US progressive brackets & effective rate.

Calculate profit margins, markup & target pricing.

Calculate compound growth with monthly contributions & projections.

Estimate calories burned with MET values for 10+ activities.

Calculate weekly pay with overtime, effective rate & annual projection.

Calculate time difference with break deduction & multiple formats.

Compare Snowball vs Avalanche payoff with debt-free date & interest saved.

Estimate US take-home pay with federal, FICA, state tax & 401(k).

Compare the true cost of renting vs buying with break-even analysis.

Project retirement savings with employer match, growth & the 4% rule.

Find the time or the monthly amount needed to reach any savings goal.

Add up assets minus liabilities with a full breakdown & debt-to-asset ratio.

See the future cost of money & purchasing-power erosion over time.

See how long to clear a card balance & the cost of minimum payments.

Beautify, minify, sort, repair and validate JSON with precise error location, a collapsible tree view and path queries.

UTF-8-safe Base64 encode & decode with a URL-safe variant, line-wrapping and file-to-Base64 (data URI).

Encode and decode URLs and components, with a live breakdown of query parameters.

Decode and inspect a JWT's header, payload and claims with human-readable timestamps and live expiry status.

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 and HMAC digests for text or files.

Test and debug regular expressions with live match highlighting, capture groups, replace and example patterns.

Minify HTML, strip comments and whitespace while protecting pre/script/style, with a size-saved readout.

Minify CSS, remove comments and whitespace safely (strings and data URIs preserved) with a size-saved readout.

Convert JSON to YAML and YAML back to JSON, bidirectional, no server round-trip.

Convert CSV data into a JSON array of objects, with smart number and boolean detection.

Convert a JSON array of objects into clean, spreadsheet-ready CSV.

Convert Markdown text to HTML.

Convert your Markdown (.md) files to high-quality PDFs instantly. Fast, free, secure, and works directly in your browser with no installation or signup required.

Generate UUID v4, time-ordered UUID v7, NIL, ULID and NanoID, cryptographically random, in bulk.

Convert between HEX, RGB, HSL.

Generate TypeScript, Go, Python, Rust and JSON Schema from a JSON sample.

Generate strong, secure passwords.

Compare code snippets and show differences.

Calculate Unix file permissions.

Remove whitespace from JSON for smaller payload size.

Beautify and format SQL queries.

Format and beautify XML documents.

Encode and decode HTML entities.

Parse and analyze HTTP response headers.

Build, describe in plain English and preview the next run times of cron schedules.

Create JWT tokens for testing and development.

Send HTTP requests and inspect responses.

Generate multiple UUIDs at once (up to 10,000).

Common regex patterns with testing, ready to copy and use.

Query JSON with JSONPath ($, wildcards, recursive descent, slices) and explore every path to a value.

Escape and unescape strings for JSON, JavaScript, HTML, URL, CSV, SQL, RegExp, shell and Unicode.

Parse a URL or query string into editable params and build it back: arrays, encoding and JSON output.

Infer a JSON Schema (draft-07) from a JSON sample: types, required, formats and enums.

Semantic, order-independent diff of two JSON documents: added, removed and changed values by path.

Generate realistic fake JSON, CSV or SQL test data from a simple field schema: names, emails, dates, UUIDs and more.

Build cURL commands from a request and convert them to fetch or axios code, and parse cURL back.

Create professional invoices with multi-currency support & PDF export.

Calculate profit margins, markup percentages & cost ratios in real-time.

Find your break-even point with profit projection tables.

Generate QR codes for URL, text, email, phone, SMS, WiFi, vCard, and location with colors, gradients, logo upload, PNG/SVG export, and copy - 100% free.

Create Code 128 barcodes with custom colors & sizing.

Create professional signatures for Gmail, Outlook & Apple Mail.

Design & print professional business cards with 5 templates.

Calculate return on investment with annualized metrics & payback period.

Calculate inclusive or exclusive sales tax with quick rate presets.

Calculate asset depreciation using straight-line, declining balance & SYD methods.

Calculate Net Present Value with IRR & profitability index.

Return on ad spend with ACOS, ROI & break-even ROAS for your margin.

Create professional quotes & estimates with expiry dates, deposits & PDF export.

Generate payment, rent & cash receipts with amount-in-words and PDF/print.

Calculate GST (CGST/SGST/IGST) & VAT, inclusive or exclusive, with slab presets.

Convert between cost, price, margin & markup instantly with a conversion table.

Startup cash runway, gross/net burn & zero-cash date with a depletion chart.

Calculate investment growth with compounding & monthly contributions.

Calculate net profit from stock trades with fees & taxes.

Calculate dividend yield, income & DRIP projections.

Systematic Investment Plan with step-up option.

Calculate P/E ratio with valuation analysis.

Calculate average cost across multiple purchases.

Calculate FD maturity with rate comparison.

Financial Independence Retire Early: freedom number.

Dollar Cost Averaging vs lump sum comparison.

Calculate weighted portfolio returns with allocation.

Calculate risk:reward ratio with trade expectancy.

Calculate optimal position size based on risk.

Calculate pip value for forex across lot sizes.

Calculate optimal forex lot size for risk management.

Calculate required margin for leveraged trading.

Calculate Fibonacci retracement & extension levels.

Calculate pivot points with S/R levels (3 methods).

Calculate trade P/L with scenario analysis.

Measure drawdown with recovery analysis table.

Calculate optimal bet sizing for maximum growth.

Calculate your Grade Point Average with course credits & grade scale.

Analyze essays with word count, readability metrics & keyword density.

Check writing for internal duplication, clichés, vocabulary richness & readability; runs in your browser (not a web scan).

Generate APA, MLA, Chicago & Harvard citations for books, journals & websites.

Create ATS-friendly resumes with live preview and export in PDF or DOC format.

Measure your WPM, accuracy & typing proficiency with real-time feedback.

Create, study & track progress with digital flashcards.

Create custom multiple-choice quizzes & test your knowledge.

Interactive periodic table with category filtering & element search.

Generate printable square, dot & isometric graph paper.

Calculate P(n,r) and C(n,r) with step-by-step formulas.

Calculate logarithms with any base including ln, log10 & log2.

Full scientific calculator with trig, logs, factorial, memory, history & full keyboard support.

Find the grade you need on the final exam, or track your weighted course grade by category.

Balance any chemical equation instantly with the smallest whole-number coefficients & an element check.

Track assignments & exams with due-date countdowns, priorities and progress, saved in your browser.

Measure your reading speed (WPM) with comprehension checks and an RSVP speed-reading trainer.

Unscramble academic words across subjects with hints, a timer, streaks & saved high scores.

Calculate your Body Mass Index with health category & advice.

Estimate daily calorie needs using the Mifflin-St Jeor equation.

Estimate due date, current week & pregnancy milestones.

Assess cardiovascular & lifestyle health risk factors.

Estimate body fat using the U.S. Navy formula.

Calculate 5 training heart rate zones (Karvonen method).

Calculate daily protein, carbs & fat with preset diet plans.

Calculate your Basal Metabolic Rate with activity breakdown.

Find optimal bedtime/wake time based on 90-min sleep cycles.

Calculate Total Daily Energy Expenditure by activity level.

Calculate daily hydration needs based on weight & activity.

Estimate Blood Alcohol Concentration with Widmark equation.

Estimate 1RM using Epley formula with strength chart.

Calculate pace, speed & race finish time estimates.

Snellen eye chart for basic vision screening.

Test your hearing range from 250 Hz to 15 kHz in your browser.

Classify readings by ACC/AHA guidelines with MAP, pulse pressure & a BP log.

Predict your fertile window, ovulation day & next period from your cycle.

Find your ideal body weight (Devine, Robinson, Miller, Hamwi) & healthy range.

Assess central-fat health risk with waist-to-hip & waist-to-height ratios.

Compute BSA (Mosteller, Du Bois, Haycock) used for clinical drug dosing.

Estimate kidney function (CKD-EPI 2021 & Cockcroft-Gault) with CKD staging.

Convert between A1C and estimated average glucose (eAG) with diabetes ranges.

Convert blood glucose between mg/dL and mmol/L with reference ranges & est. A1C.