Free tools for office workers

An online notepad that keeps markdown notes in folders, links them with [[double brackets]], and autosaves four tenths of a second after you stop typing.

Summarize a long article, an email thread, or a report down to a few sentences. Pick short, medium, or long; the AI model downloads once and then works offline.

Paraphrase text four ways: formal, casual, shorter, or longer, with a small language model that does the rewriting on your own graphics card.

A text cleaner for pasted mess: pull the hard line breaks out of PDF copy, squash double spaces, thin the blank lines, and swap curly quotes for straight ones.

A word counter that also tells you when you have run long. Words, characters, sentences and reading time, plus live checks against the 280, 160, 70 and 60-character caps that cut text off.

Spreadsheet column in, comma-separated list out, or the reverse. De-duplicate, sort and quote every value on the way through.

Zip files and folders into one archive with the subfolder paths kept, put an AES-256 password on it if it needs one, or open a .zip and pull out the entry you wanted.

A currency converter built on the European Central Bank's daily reference rates: 30 currencies, cross-rated through the euro, with the publication date printed under every result.

Convert a PDF to an editable Word .docx that keeps its columns, ruled tables, headings and pictures, or switch to Exact layout and pin every line to the coordinates the page gave it.

A unit converter with 19 categories, from cm to inches and kg to lbs through pressure, torque and data rate. Pick two units and read the answer as you type.

CSV to XLSX or an Excel sheet back out as CSV, with the separator read from the data and a wrong split refused before it reaches a workbook. Every cell stays text.

DOCX to HTML with semantic tags and none of Word's span soup. Preview it, copy the markup, or save a styled standalone page.

Convert DOCX to Markdown with ATX headings, hyphen bullets, working links and GFM pipe tables. Copy the output or save it as a .md file under the original name.

Convert a .docx to text and keep only the words, with Word's fonts and spacing left behind. Copy the result or save a .txt that keeps the document's name.

Excel to PDF for a workbook someone only needs to read: tick the sheets worth sending, choose A4 or US Letter, portrait or landscape, and each sheet lands as its own page of selectable text.

Markdown to Word, done properly: paste your notes and download a real .docx that Word, Google Docs or Pages will edit. Headings map onto Word's own Heading 1 to 6, code lands in Courier New.

JSON to CSV with the header row built from your keys, or CSV back to JSON with numbers, booleans and nested objects restored.

Word to PDF without opening Office. Give it a .docx and you get back an A4 document with selectable text and links that still click.

Barcode generator and reader for Code 128, EAN-13, UPC-A, EAN-8, Code 39, ITF-14 and Codabar. Check digits are worked out for you. Download SVG or PNG, batch a list of 200, or read a code off a photo.

An email signature generator that outputs a single inline-styled HTML table, previewed live, ready to paste into Gmail or Outlook as rich text.

Password generator with two modes: random strings from an 80-character pool, or EFF wordlist passphrases that print their entropy in bits. Length runs to 256, batches up to 100.

A QR code generator that writes your data straight into the modules rather than a redirect link that can expire. Eight payload types, PNG or SVG, 200 at a time.

A lorem ipsum generator drawing on a 63-word Latin bank, with sentences of 5 to 14 words and up to 100 units per run.

A date calculator for questions like what date is 90 days from today. Add or subtract days, weeks, months or years, and get the weekday with the answer.

A calorie calculator built on Mifflin–St Jeor: your maintenance number, the BMR under it, and loss or gain targets at 250 and 500 kcal, plus a date if you name a goal weight.

Salary to hourly, or hourly back to salary: type one figure, mark which period it belongs to, and the other four fill themselves in.

An APR calculator that folds up-front fees back into the rate. Borrow 25,000 at 7.5% over 60 months with a 500 origination fee and the true annual cost is 8.36%, on a payment of 500.95.

A bill splitter for one check or a whole trip: tip, tax, who paid what, and the shortest list of transfers that squares everyone up.

Compound interest calculator for savings, an FD or an RD: future value, how much of that is interest, and a year-by-year schedule.

Days between two dates, with the same span given in weeks, in years and months, and in business days once your own holidays come out.

A debt payoff calculator that runs snowball and avalanche month by month, then reports your debt-free date, the total interest, and the order your balances clear.

A mortgage calculator that adds up the whole payment: principal and interest, property tax, home insurance and PMI, with the month the insurance ends and a CSV of every month.

A loan EMI calculator: the monthly payment, the total interest sitting beside it, and every month of the schedule.

A percentage calculator that answers four questions on one page: X% of a number, X as a percent of Y, the increase or decrease between two figures, and what a price drops to after a discount.

A SIP calculator that splits the maturity figure into the money you paid in and the money it earned, with a year-by-year table under the chart.

A passport size photo maker with ten document presets, from the US 2×2 inch to China's 33×48 mm, plus a head-and-eye guide and a 4×6 print sheet at 300 DPI.

An alt text generator that looks at the photo and writes the first draft, using Microsoft's Florence-2.

Compress a JPEG, PNG or WebP and compare it side by side. Smart picks the quality, Quality takes a slider, Target searches for a size in KB. One file or a folder.

Blur, pixelate or black out faces in a photo. A small detector boxes the faces it finds, small ones in a group included, and you box whatever it misses.

Extract text from an image or a scanned PDF, using a neural engine that reads 50 scripts and copes with a page shot at an angle.

Image to PDF for JPGs, PNGs and phone photos: one picture per page or stacked, A4 or Letter, in the order you drag them, with the PDF shown before you save it.

Compress a PDF by re-encoding the pictures inside it, down to a KB ceiling if a form demands one. Text stays sharp.

Scan paper with a phone camera and get back a straight, readable multi-page PDF: auto edge detection, per-page looks, a stain eraser, optional searchable text.

Add page numbers to a PDF and see them land before you commit: five formats, nine positions, any start number, and a cover you can leave bare. The preview restamps as you tweak.

Password protect a PDF with AES-256 encryption from qpdf, then decide under Terms whether whoever receives the file may print the document, copy text out of it, or edit it at all.

Remove the password from a PDF, or lift the owner restrictions that grey out printing and copying. Type the open password once and unlock a whole batch.

Add a watermark to a PDF: type CONFIDENTIAL or drop in a logo, place it on a grid of the page or drag it by hand, and see the real stamped page before you download.

Merge PDF files into one document in the order you set, with each file's bookmarks and filled form fields carried across and a bookmark added for every file.

Chat with a PDF in ordinary words. Answers cite the page and show a snapshot of the passage they came from.

Crop a PDF by dragging a box or typing margins in millimetres. Fit to content finds the ink, sideways pages are cut on the right edge, and any page can keep its own box.

Fill and sign a PDF, or click a line of printed text and retype it. Whiteout, highlight, shapes and a signature you draw, type or upload sit in one toolbar.

Flatten a filled PDF form so the answers become part of the page. Every field is listed first, and the ones that cannot be baked, like an empty signature, are named.

Organize PDF pages as a grid of thumbnails you can drag: rotate a sideways scan a quarter turn, duplicate a page, drop the cover sheet, or append a second file, then save it.

Convert PDF to JPG or PNG at 1x, 2x or 3x resolution, one image per page. Narrow it to a range like 1-3, 5 and take the results singly or as one ZIP.

Extract text from a PDF the moment it lands, copy it or save a .txt named after the file, and see which pages are scans with no text to give.

Redact a PDF for real: drag a black box over a name, and that page comes back as an image with the text underneath deleted.

Rotate PDF pages 90° or 180° and download a file that opens the right way up in every reader. Turn all of them or just a few.

Split a PDF by page range, pull out a single page, drop the ones you don't want, or burst one long file into a numbered set that downloads as a zip.

Trim a video down to the part worth keeping, or lift several pieces out of one recording and join them. Pull only the end handle in and nothing goes through the encoder.

Merge videos into one MP4 or WebM. Seven transitions plus a plain cut sit at every join, and each clip can be trimmed before it renders.

Compress a video to a size you type in MB and see the projected file before encoding, with presets for WhatsApp at 64, email at 25 and Discord at 20.

Convert a video to a looping GIF at 10 to 24 fps and the width you choose, with a preview that plays before you save.

Convert video between MP4, MOV, MKV and WebM in your browser. Each target says first whether the clip is repackaged untouched or re-encoded.

A video subtitle generator built on Whisper. Feed it an MP4 and get SRT, WebVTT or a plain transcript, with cues capped at two lines of 42 characters.

Extract audio from a video and keep the soundtrack on its own. AAC inside an MP4 is copied across without re-encoding, so the M4A you get back holds the original track untouched.

Mute a video by dropping its audio tracks while the picture is copied across without re-encoding, so a two-minute clip finishes in seconds and the frames come back identical.

Add subtitles to a video permanently. Load an SRT or VTT, or let Whisper write one from the speech, then style the captions on a live preview and export an MP4 with the words on every frame.

A voice recorder with a real pause: hold the take, breathe, carry on into the same file. Live input meter, a mic picker when you have more than one, and M4A, WAV, Opus or FLAC out.

Audio transcription with Whisper. Drop in a recording and get editable text, plus SRT and WebVTT carrying timestamps, from any of four model sizes.

A batch audio converter: load MP3, WAV, M4A, OGG or FLAC in any mix, queue as many as you like, and write M4A, WAV, Opus or FLAC back out with a zip at the end.

An audio cutter that keeps every part you mark and throws away whatever falls between them, fades and crossfades included.

Text to speech two ways: the voices your device already has, or a 13-voice English model that hands you a file.

Remove background noise from audio with DeepFilterNet, a speech model that runs on your device. Hum, fans and hiss drop away, the voice stays, and the clean take saves as M4A, WAV, Opus or FLAC.

An audio joiner for stitching clips into one track: queue them in order, set a crossfade if you want them to blend, then export M4A, WAV, Opus, or FLAC.

Normalize audio by its loudest peak: see the lift in decibels before you press, pick a headroom preset, and download a copy that lands on the target.

Edit an MP3's ID3 tags and cover art: title, artist, album, genre, year and the picture, with every other frame carried through. Fix Unknown Artist.

Remove silence from audio automatically. Two numbers decide what goes: how quiet a gap has to be, and how long it has to last.

A CSV viewer that reads the delimiter off the file and shows its working, types every column so prices sort by value, and downloads the filtered view under the file's own name.

Compare two Excel or Google Sheets ranges by pasting them side by side. Changed cells light up, added rows go green, removed rows red.

Encrypt a file behind a password with AES-256-GCM and get back a .tray you can open on any machine. The key is stretched with PBKDF2 at 600,000 iterations.

Markdown to HTML with the rendered page beside the source. Pipe tables, 36 highlighted languages, Mermaid diagrams, and a markdown.html download.

Countdown to any date. How many days until a birthday, a holiday or a deadline, counted down to the second.

Countdown timer with quick presets and an alarm that keeps beeping until you stop it. Set anything up to 99:59:59 and the tab title tracks the time left.

A pomodoro timer with a task list. Twenty-five minutes of focus, five off, a long break every fourth round, and every finished session counted against what you're working on.

An online alarm clock for any time you type, or one of eight common wake-ups: four sounds, a five-minute snooze, a fullscreen bedside face, and it survives a refresh.

A world clock and time zone converter with a meeting planner that finds the hour everyone is at work, then copies the slot in each city's own local time.

An online stopwatch that counts in hundredths, records laps into a Lap/Split/Total table, exports them as CSV, and runs from the Space and L keys.

A time duration calculator for the gap between two clock times. Enter start and end, take off an unpaid break, and read it as 8h 0m, 8.00 decimal hours, or 480 minutes.

The ISO 8601 week number for today or any date you pick, with the day of the year, the weeks left in it, and that week's Monday and Sunday.

An alt text generator that looks at the photo and writes the first draft, using Microsoft's Florence-2.

Audio transcription with Whisper. Drop in a recording and get editable text, plus SRT and WebVTT carrying timestamps, from any of four model sizes.

Summarize a long article, an email thread, or a report down to a few sentences. Pick short, medium, or long; the AI model downloads once and then works offline.

A video subtitle generator built on Whisper. Feed it an MP4 and get SRT, WebVTT or a plain transcript, with cues capped at two lines of 42 characters.

Paraphrase text four ways: formal, casual, shorter, or longer, with a small language model that does the rewriting on your own graphics card.

Text to speech two ways: the voices your device already has, or a 13-voice English model that hands you a file.

Remove background noise from audio with DeepFilterNet, a speech model that runs on your device. Hum, fans and hiss drop away, the voice stays, and the clean take saves as M4A, WAV, Opus or FLAC.

Add subtitles to a video permanently. Load an SRT or VTT, or let Whisper write one from the speech, then style the captions on a live preview and export an MP4 with the words on every frame.

Blur, pixelate or black out faces in a photo. A small detector boxes the faces it finds, small ones in a group included, and you box whatever it misses.

Extract text from an image or a scanned PDF, using a neural engine that reads 50 scripts and copes with a page shot at an angle.

Chat with a PDF in ordinary words. Answers cite the page and show a snapshot of the passage they came from.