[{"content":{"header":"[Tejji.com](/)\n\n[Contact](/contact) [Sign in](/account/signin)\n\nInstall\n\nMenu\n\nApps \u0026 Tools\n\n[Mortgage Calculator](/apps/mortgage-calculator) [Loan EMI Calculator](/apps/loan-emi-calculator) [Compound Interest Calculator](/apps/compound-interest-calculator) [Investment Calculator](/apps/investment-calculator) [Retirement Calculator](/apps/retirement-calculator) [Future Value Calculator](/apps/future-value-calculator) [Net Present Value Calculator](/apps/net-present-value-calculator) [Inflation Calculator](/apps/inflation-calculator) [Salary Calculator](/apps/salary-calculator) [Income Tax Calculator](/apps/tax-calculator) [Sales Tax Calculator](/apps/sales-tax-calculator) [Tip Calculator](/apps/tip-calculator) [Percentage Calculator](/apps/percentage-calculator) [APR to APY](/apps/apr-to-apy) [Money Converter](/apps/money-converter) [Send Money](/apps/send-money) [Invoice Generator](/apps/invoice-generator) [Calculator](/apps/calculator) [BMI Calculator](/apps/bmi-calculator) [Body Fat Calculator](/apps/body-fat-calculator) [Calorie Calculator](/apps/calorie-calculator) [GPA Calculator](/apps/gpa-calculator) [Grade Calculator](/apps/grade-calculator) [JSON Formatter](/apps/json-formatter) [Regex Tester](/apps/regex-tester) [Hash Generator](/apps/hash-generator) [UUID Generator](/apps/uuid-generator) [Unix Timestamp Converter](/apps/timestamp-converter) [Cron Builder](/apps/cron-expression-builder) [Base64 Encoder](/apps/encode-decode-base64) [HTML Encoder](/apps/encode-decode-html) [HTML to Text](/apps/html-to-text) [URL Encoder Decoder](/apps/url-encoder-decoder) [Markdown Editor](/apps/markdown-editor) [Meta Tag Generator](/apps/meta-tag-generator) [QR Code Generator](/apps/qr-code-generator) [Password Generator](/apps/password-generator) [Color Picker](/apps/color-picker) [Character Count](/apps/character-count) [Typo Generator](/apps/typo-generator) [Age Calculator](/apps/age-calculator) [Date Calculator](/apps/date-calculator) [What Day Is It](/apps/what-day-is-it) [Lottery Number Generator](/apps/lottery-number-generator) [Pomodoro Timer](/apps/pomodoro-timer) [Pythagoras Theorem](/apps/pythagoras-theorem) [Roman Numeral Converter](/apps/roman-numeral-converter)\n\ntraffic-rank\n\n[Traffic Rank](/traffic-rank) [Top 1M](/traffic-rank/top-1m-sites) [Top Climbers](/traffic-rank/top-climbers) [Compare](/traffic-rank/compare) [Widget](/traffic-rank/widget) [Category](/traffic-rank/category) [Country](/traffic-rank/country) [Alexa Alt.](/traffic-rank/alexa-replacement)\n\nUnit Converters\n\n[Temperature](/convert/temperature-conversion) [Length](/convert/length-conversion) [Length (Metric)](/convert/length-metric-conversion) [Metric](/convert/metric-conversion) [Bytes](/convert/bytes-conversion) [Bytes Widgets](/convert/bytes-conversion/widgets) [Number](/convert/number-conversion) [Angle](/convert/angle-conversion) [Astronomical](/convert/astronomical-conversion) [Frequency](/convert/frequency-conversion) [Mileage](/convert/mileage-conversion) [Mass / Weight](/convert/mass-conversion) [Mass (Metric)](/convert/mass-metric-conversion) [Speed](/convert/speed-conversion)\n\nIP Address Tools\n\n[My IP Address](/ip/my-ip-address) [IP Location](/ip/ip-to-location) [Bulk IP Lookup](/ip/bulk-ip-lookup) [IP to URL](/ip/ip-address-to-url) [URL to IP](/ip/url-to-ip-address) [IP to Number](/ip/ip-to-number) [IPv4 to IPv6 Converter](/ip/ipv4-to-ipv6-conversion) [IP Server Variables](/ip/ip-server-variables) [DNS Lookup](/ip/dns-lookup) [WHOIS Lookup](/ip/whois-lookup) [IP Blacklist Check](/ip/ip-blacklist-check) [Subnet Calculator](/ip/subnet-calculator) [IP Search](/ip/search) [IP Widgets](/ip/widgets) [JS Embed](/ip/widgets/js-embed) [iFrame](/ip/widgets/iframe) [SVG Badge](/ip/widgets/svg-badge) [WordPress](/ip/widgets/wordpress) [Dashboard](/ip/widgets/dashboard)\n\nTime \u0026 Date\n\n[World Clock](/time-date/world-clock) [Current Time](/time-date/current-time) [Time Conversion](/time-date/time-conversion) [Date Calculator](/apps/date-calculator) [Age Calculator](/apps/age-calculator) [What Day Is It](/apps/what-day-is-it) [Unix Timestamp Converter](/apps/timestamp-converter) [Cron Builder](/apps/cron-expression-builder) [Pomodoro Timer](/apps/pomodoro-timer)\n\nVisa \u0026 Immigration\n\n[H1B Data](/visa/h1b) [H1B Sponsors](/visa/h1b-sponsors) [H1B Salary](/visa/h1b-salary) [H1B Trends](/visa/h1b-trends) [H1B Compare](/visa/h1b-compare)\n\nPostal / ZIP Codes\n\n[ZIP Code Lookup](/zip-codes) [India PIN Finder](/zip-codes/pincode-finder) [US ZIP Codes](/zip-codes/us) [India PIN Codes](/zip-codes/india)\n\nMore\n\n[Chrome Extensions](/browser/chrome/extensions/) [Keyword Tool](/seo/keyword-tool) [Contact](/contact)\n\n[Sign in with Google](/account/signin)\n\n","main":"- Finance\n- [Mortgage Calculator](/apps/mortgage-calculator)\n- [Loan EMI Calculator](/apps/loan-emi-calculator)\n- [Compound Interest Calculator](/apps/compound-interest-calculator)\n- [Investment Calculator](/apps/investment-calculator)\n- [Retirement Calculator](/apps/retirement-calculator)\n- [Future Value Calculator](/apps/future-value-calculator)\n- [Net Present Value Calculator](/apps/net-present-value-calculator)\n- [Inflation Calculator](/apps/inflation-calculator)\n- [Salary Calculator](/apps/salary-calculator)\n- [Income Tax Calculator](/apps/tax-calculator)\n- [Sales Tax Calculator](/apps/sales-tax-calculator)\n- [Tip Calculator](/apps/tip-calculator)\n- [Percentage Calculator](/apps/percentage-calculator)\n- [APR to APY](/apps/apr-to-apy)\n- [Money Converter](/apps/money-converter)\n- [Send Money](/apps/send-money)\n- [Invoice Generator](/apps/invoice-generator)\n- [Calculator](/apps/calculator)\n\n\u003c!--THE END--\u003e\n\n- Health\n- [BMI Calculator](/apps/bmi-calculator)\n- [Body Fat Calculator](/apps/body-fat-calculator)\n- [Calorie Calculator](/apps/calorie-calculator)\n\n\u003c!--THE END--\u003e\n\n- Education\n- [GPA Calculator](/apps/gpa-calculator)\n- [Grade Calculator](/apps/grade-calculator)\n\n\u003c!--THE END--\u003e\n\n- Developer\n- [JSON Formatter](/apps/json-formatter)\n- [Regex Tester](/apps/regex-tester)\n- [Hash Generator](/apps/hash-generator)\n- [UUID Generator](/apps/uuid-generator)\n- [Unix Timestamp Converter](/apps/timestamp-converter)\n- [Cron Builder](/apps/cron-expression-builder)\n- [Base64 Encoder](/apps/encode-decode-base64)\n- [HTML Encoder](/apps/encode-decode-html)\n- [HTML to Text](/apps/html-to-text)\n- [URL Encoder Decoder](/apps/url-encoder-decoder)\n- [Markdown Editor](/apps/markdown-editor)\n- [Meta Tag Generator](/apps/meta-tag-generator)\n- [QR Code Generator](/apps/qr-code-generator)\n- [Password Generator](/apps/password-generator)\n- [Color Picker](/apps/color-picker)\n- [Character Count](/apps/character-count)\n- [Typo Generator](/apps/typo-generator)\n\n\u003c!--THE END--\u003e\n\n- Fun\n- [Age Calculator](/apps/age-calculator)\n- [Date Calculator](/apps/date-calculator)\n- [What Day Is It](/apps/what-day-is-it)\n- [Lottery Number Generator](/apps/lottery-number-generator)\n\n\u003c!--THE END--\u003e\n\n- Productivity\n- [Pomodoro Timer](/apps/pomodoro-timer)\n\n\u003c!--THE END--\u003e\n\n- Math\n- [Pythagoras Theorem](/apps/pythagoras-theorem)\n- [Roman Numeral Converter](/apps/roman-numeral-converter)\n\n# Base64 Encoder / Decoder\n\nEncode text to Base64 or decode Base64 strings back to readable text instantly. Widely used by developers for API authentication, data embedding, and email encoding. All processing happens in your browser for maximum security.\n\nDrop a file here or paste text below\n\nInput 0 B\n\nOutput 0 B\n\nEncode Decode Swap Copy Clear\n\nCopied to clipboard!\n\n## What is Base64?\n\nBase64 is a binary-to-text encoding scheme that represents binary data as an ASCII string. It is widely used to embed images in HTML/CSS, transmit data in JSON or XML payloads, and encode email attachments via MIME. Each group of three bytes is mapped to four printable characters from the set A–Z, a–z, 0–9, + and /.\n\n## Related Products\n\n[📘 Programming Books →](https://www.amazon.com/s?k=programming%20software%20books\u0026tag=tejji-20) [⌨️ Developer Keyboards →](https://www.amazon.com/s?k=mechanical%20keyboard%20developer\u0026tag=tejji-20) [📚 Coding Reference →](https://www.amazon.com/s?k=coding%20reference%20guide%20book\u0026tag=tejji-20)\n\n*As an Amazon Associate, tejji.com earns from qualifying purchases.*\n\n## Frequently Asked Questions\n\n### What is Base64 encoding?\n\nBase64 encodes binary data into a set of 64 ASCII characters. It is commonly used to safely transfer data over media that only support text, such as email bodies, URLs, and JSON payloads.\n\n### When should I use Base64?\n\nUse Base64 when you need to embed binary content (images, files) inside text-based formats like HTML, CSS, or JSON. It is also used in HTTP Basic Authentication headers and data URIs.\n\n### Does this tool support Unicode?\n\nYes. The encoder first converts your text to UTF-8 bytes before Base64-encoding, so all Unicode characters — including emoji and CJK scripts — are fully supported.\n\n### What is URL-safe Base64?\n\nURL-safe Base64 replaces the + and / characters with - and _ so the encoded string can be used directly in URLs and filenames without percent-encoding. Padding (=) is often omitted as well.\n\n### What is the best free Base64 encoder?\n\nThis Base64 Encoder is one of the best free Base64 tools available online. It runs entirely in your browser with no data sent to any server. It supports full Unicode, URL-safe Base64, file drag-and-drop, and bidirectional encoding and decoding.\n\n### Is this Base64 encoder accurate and safe?\n\nYes. The tool uses your browser's built-in encoding functions for accurate Base64 conversion with full Unicode support. No data is ever sent to a server, so your content stays completely private on your device.\n\n## Related Tools\n\n[% URL Encoder developer](/apps/url-encoder-decoder) [\u0026lt; HTML Encoder developer](/apps/encode-decode-html) [Aa Character Counter developer](/apps/character-count) [# Hash Generator developer](/apps/hash-generator) [{ } JSON Formatter developer](/apps/json-formatter)\n\n📱\n\nQuick Access\n\nInstall this tool on your device for instant access\n\nInstall App","footer":"\n\n📱 Install Tejji for quick access to this tool Install\n\nTools\n\n- [All Apps](/apps/)\n- [Converters](/convert/)\n- [IP Tools](/ip/)\n- [Calculator](/apps/calculator)\n\nExplore\n\n- [Time \u0026 Date](/time-date/)\n- [Postal Codes](/zip-codes/)\n- [Typing](/typing/)\n- [Extensions](/browser/chrome/extensions/)\n\nCompany\n\n- [About](/home/about)\n- [Contact](/home/contact)\n- [Privacy](/home/privacy)\n- [Terms](/home/terms)\n\nSupport\n\n- [Feedback](/home/contact)\n- [Buy me a coffee](https://buymeacoffee.com/tejji)\n\n© 2026 [Tejji.com](/) — Free online tools for everyone.\n\nWe use cookies for analytics and ads. By clicking \"Accept\", you consent to our use of cookies. [Privacy Policy](/home/privacy)\n\nReject Accept"},"metadata":{"title":"Base64 Encoder \u0026 Decoder – Encode or Decode Base64 Online | Tejji","description":"Free online Base64 encoder and decoder — encode text to Base64 or decode Base64 to text instantly. Handles UTF-8 and binary data. No sign-up required.","imageUrl":"https://tejji.com/page/og-default.png","author":null,"published":null,"modified":null},"rate":{"price":{"priceMicros":0,"currency":""},"license":{"cuid":"","licenseType":"","licensePath":"","permissions":[],"validUntil":""},"error":""}}]