The internet's handiest toolbox

Free PDF tools, converters, generators and calculators that open instantly — almost all run entirely in your browser, so your files are never uploaded.

PDF

Merge, split, convert and compress PDFs.

  • Merge PDF — Combine PDFs in any order — right in your browser.
  • Split PDF — Extract pages or split into single-page PDFs.
  • JPG to PDF — Turn images into a PDF — one page per image.
  • PDF to JPG — Render PDF pages as JPG or PNG images.
  • PDF to Word — Convert PDFs to editable .docx with real paragraphs and tables.
  • Word to PDF — Render DOCX, DOC, ODT or RTF to clean, shareable PDFs.
  • Compress PDF — Shrink PDFs with Ghostscript-grade quality — files deleted instantly.
  • OCR PDF — Make scanned PDFs searchable and selectable with an invisible text layer.
  • Unlock PDF — Remove the password and restrictions from PDFs you can open.
  • Protect PDF — Password-protect PDFs with AES-256 encryption.
  • Excel to PDF — Convert XLSX, XLS, ODS or CSV spreadsheets to PDF.
  • PowerPoint to PDF — Convert PPTX, PPT or ODP presentations to PDF.

Video & Audio

Convert and compress video, audio and GIFs — locally.

  • Video to GIF — Turn MP4, WebM or MOV clips into GIFs — locally.
  • GIF to MP4 — Convert GIFs to small, everywhere-playable MP4s.
  • Audio Converter — Convert to MP3, WAV or OGG — or extract audio from video.
  • Video Compressor — Shrink videos to share-friendly sizes — never uploaded.

Images

Convert, resize, crop and clean images — never uploaded.

Generators

Create assets, codes and snippets in seconds.

  • Barcode Generator — Code 128, EAN-13, UPC and Code 39 barcodes as crisp PNGs.
  • Password Generator — Strong, random passwords generated locally — never sent anywhere.
  • Random Number Generator — Random numbers in any range — single, lists or unique draws.
  • Coin Flip — Heads or tails — a fair coin whenever you need one.
  • Favicon Generator — Turn any image into a complete favicon pack — ICO, PNGs and manifest.
  • QR Code Generator — QR codes for links, Wi-Fi and email — custom colors, PNG or SVG.

Calculators

Quick answers for money, health and everyday math.

Students

Grades, scores and citations — the maths school never explains.

Random & Decision

Wheels, dice and pickers when something has to be chosen fairly.

  • Spin the Wheel — A custom wheel that picks fairly — names, prizes or what's for dinner.
  • Dice Roller — Roll any dice with standard notation — 2d20+5, 4d6, 3d8+2d4.
  • Random Name Picker — Draw one name or many from a list — fairly, with no repeats if you want.

Health & Fitness

Body, sleep and nutrition numbers, explained honestly.

Marketing

ROAS, CPM, margins and campaign links for marketers.

  • UTM Builder — Build clean, consistent campaign URLs without the spreadsheet.
  • ROAS Calculator — Return on ad spend, break-even ROAS and target CPA in one place.
  • CPM Calculator — Work out CPM, impressions or budget from any two numbers.
  • Margin Calculator — Margin, markup and profit from cost and revenue.

Text & Writing

Count, convert and transform text instantly.

  • Case Converter — UPPER, lower, Title, camelCase, snake_case and more.
  • Fancy Text Generator — 𝐁𝐨𝐥𝐝, 𝒾𝓉𝒶𝓁𝒾𝒸 and ⓒⓘⓡⓒⓛⓔⓓ Unicode styles for bios and posts.
  • Word Counter — Words, characters, sentences and reading time as you type.
  • Remove Line Breaks — Un-wrap text from PDFs and emails while keeping paragraph breaks.
  • Sort Lines — Sort alphabetically, naturally, numerically or by length.
  • Remove Duplicate Lines — Deduplicate a list without reordering it — or show only the repeats.
  • Remove Extra Whitespace — Collapse repeated spaces and strip invisible Unicode spaces.
  • Add Line Numbers — Number every line, aligned, with any start, step and separator.
  • Find and Replace — Replace text literally or by regex, with a live match count.
  • Reverse Text — Reverse characters, words or lines — emoji-safe.
  • Text Repeater — Repeat any text as many times as you like, with custom separators.
  • Extract Emails — Pull every email address out of any text, deduplicated.
  • Extract URLs — Pull out every link — and strip UTM tracking while you're at it.
  • Word Frequency Counter — Count word occurrences and see what a text is really about.
  • Slug Generator — Turn titles into clean URL slugs — accents transliterated, not dropped.
  • Online Notepad — A distraction-free notepad that autosaves to your own browser.
  • Binary Translator — Convert text to binary, hex or octal and back — UTF-8 safe.
  • Morse Code Translator — Translate to and from Morse — with audio playback at proper timing.
  • NATO Phonetic Alphabet — Spell anything out as Alfa, Bravo, Charlie — for bad phone lines.
  • Lorem Ipsum Generator — Placeholder paragraphs, sentences or words on demand.

Time

Timers, stopwatches and date tools that just work.

  • Time Calculator — Add and subtract hours and minutes, or measure the gap between two times.
  • Online Timer — A countdown timer with presets, tab-title countdown and a chime.
  • Stopwatch — Drift-free stopwatch with laps, accurate to the centisecond.

Developer

Encode, hash, diff and debug — all offline-capable.

  • JSON Formatter — Pretty-print, minify and validate JSON on the fly.
  • Base64 Encode / Decode — Encode and decode Base64 text and files — UTF-8 safe, URL-safe option.
  • UUID Generator — Random v4 and time-sortable v7 UUIDs, single or in bulk.
  • Hash Generator — MD5, SHA-1, SHA-256 and SHA-512 for text and files.
  • Regex Tester — Test regular expressions with live highlighting and groups.
  • Diff Checker — Compare two texts line by line — like git diff, in your browser.
  • Unix Timestamp Converter — Epoch to date and back — seconds, milliseconds, ISO and local.
  • JWT Decoder — Decode JWT headers and payloads locally — with expiry checks.
  • CSV to JSON — Convert CSV to JSON and back — quoted fields handled properly.
  • URL Encoder / Decoder — Percent-encode or decode text and URLs, with a query-param breakdown.
  • Markdown Preview — Live GitHub-flavored Markdown rendering as you type.
  • Contrast Checker — WCAG contrast ratios with AA/AAA pass-fail at a glance.
  • Cron Expression Builder — Write cron, read it in plain English, and see the next five runs.
  • Subnet Calculator — CIDR to network, broadcast, host range, netmask and wildcard.
  • SQL Formatter — Format or minify SQL without touching string literals or comments.
  • JSON to TypeScript — Generate interfaces from sample JSON — arrays merged into one shape.
  • XML Formatter — Pretty-print or minify XML, validated by the browser's own parser.
  • HTML Entity Encoder — Encode and decode HTML entities — emoji-safe, sensible defaults.
  • String Escape — Escape strings for JSON, SQL, shell, CSV, regex and more.
  • Semver Calculator — Compare versions and test npm ranges like ^1.2.0 and ~2.1.
  • CSP Generator — Build a Content-Security-Policy header and get told what weakens it.
  • OAuth PKCE Generator — Generate a code verifier, S256 challenge, state and nonce locally.
  • .gitignore Generator — Build a .gitignore from your stack — with the secrets block included.
  • .env File Validator — Catch duplicate keys, unbalanced quotes and silent .env mistakes.
  • Unicode Inspector — See every code point, byte and invisible character in your text.
  • Punycode Converter — Convert IDN domains to punycode — and spot homograph lookalikes.

Tests & Checks

Check your IP, screen, camera, mic, keyboard and speed.

  • What Is My IP — Your public IP address, browser and system at a glance.
  • Screen Resolution Checker — Your display's resolution, pixel ratio and viewport size.
  • Webcam Test — Check your camera before the call — nothing is recorded.
  • Mic Test — A live level meter that proves your microphone works.
  • Keyboard Tester — Press every key and see exactly what registers.
  • Typing Test — Your words-per-minute and accuracy in a 60-second test.
  • CPS Test — How many clicks per second can you manage?