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Techolm

Free tools for everyday tasks

Techolm is a free platform of web utility tools that you can use without signing in.

Drop any file

Only the file's name, its declared type and its first 512 bytes are read, in your browser, to tell what kind of file it is. Nothing is uploaded.

  • Free to use
  • No account needed
  • 24 categories

Browse by category

  • PDF Tools

    Tools to merge, split, compress, edit, sign and protect PDF files, and to convert PDFs to and from Word, Excel, PowerPoint and images.

    Coming soon

  • Image Tools

    Compress, resize, crop and convert images, adjust colors, erase backgrounds, make QR codes and passport photos, and strip location data from photos.

    Coming soon

  • Video Tools

    Shrink, convert, trim and merge videos, crop or rotate clips, turn them into GIFs, extract or replace the audio, add subtitles and record your screen.

    Coming soon

  • Audio Tools

    Convert and compress audio files, cut and join tracks, record your voice, turn text into speech, generate tones, and tune or time your music.

    Coming soon

  • Document Tools

    Convert, view, merge and clean up Word documents, Excel spreadsheets, PowerPoint presentations and EPUB eBooks, including OpenDocument files.

    Coming soon

  • File & Archive Tools

    Open and create ZIP, RAR, 7z and TAR archives, identify unknown file types, view 3D models, split or join large files, and open saved emails.

    Coming soon

  • Text & Writing Tools

    Count words and characters, change letter case, clean up and sort text, compare two versions, generate placeholder text and format citations.

    Coming soon

  • Data Tools

    Format, validate and convert JSON, CSV, XML, YAML and TOML, clean up tables, work with map data, draw charts and generate mock data for testing.

    Coming soon

  • Developer Tools

    Format and minify code, test regular expressions, inspect HTTP headers and API specs, write cron schedules, and generate UUIDs and other unique IDs.

    Coming soon

  • Security & Encoding Tools

    Generate passwords, compute hashes and checksums, encrypt text, read keys and certificates, check two-factor codes, and encode or decode Base64 and URLs.

    Coming soon

  • Web & SEO Tools

    Preview search snippets, write meta tags and structured data, build robots.txt files and sitemaps, check live pages and tag campaign links with UTM.

    Coming soon

  • Network Tools

    Find your public IP address, calculate subnets and CIDR ranges, look up DNS records, check SPF, DKIM and DMARC, and test connection speed and open ports.

    Coming soon

  • Device Tests

    Test your webcam, microphone, speakers, screen, keyboard, mouse and game controller, read browser and system details, and run simple benchmarks.

    Coming soon

  • Design & Color Tools

    Pick and convert colors, build palettes and gradients, generate CSS effects, check contrast for accessibility, and make favicons and app icons.

    Coming soon

  • Social Media Tools

    Write captions and bios within character limits, choose hashtags, make watermarked post mockups, get public thumbnails and estimate creator earnings.

    Coming soon

  • Unit Converters

    Convert length, area, volume, weight, temperature, speed, pressure, energy, data sizes, cooking measures, angles, and clothing and shoe sizes between systems.

    Coming soon

  • Math & Statistics Calculators

    Work through arithmetic, percentages, fractions, algebra, geometry, trigonometry, calculus, matrices, probability and statistics, from homework to data sets.

    Coming soon

  • Science & Engineering Calculators

    Science and engineering formulas from Ohm's law and molar mass to half-life, orbits, wind chill and beam deflection, grouped by field of study.

    Coming soon

  • Finance & Business Tools

    Estimate loan and mortgage payments, savings growth, tax, budgets and discounts, and work out business margins, marketing metrics and startup runway.

    Coming soon

  • Time & Date Tools

    Count the days between dates, work out ages, convert time zones and Unix timestamps, run timers, and find week numbers, sunrise times and moon phases.

    Coming soon

  • Health & Fitness Calculators

    Estimate BMI, body fat, calorie and macro needs, heart rate zones, running pace, pregnancy dates and sleep times, as information rather than medical advice.

    Coming soon

  • Everyday Life Tools

    Work out paint and tile for home projects, garden soil, energy bills, recipe amounts, trip fuel costs, pet food, fabric yardage and party supplies.

    Coming soon

  • Education Tools

    Grade and GPA calculators, study aids, quizzes and worksheets, classroom helpers, language practice and typing tests for students, teachers and parents.

    Coming soon

  • Fun & Random Tools

    Random number pickers, coin flips, dice and wheels, simple games, anagram and word puzzle solvers, name generators, zodiac signs, jokes and trivia.

    Coming soon