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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.

  • 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.

    6 tools

  • 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.

    2 tools

  • 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.

    1 tool

  • 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.

    3 tools

  • 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.

    1 tool

  • 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.

    1 tool

  • 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.

    1 tool

  • 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.

    1 tool